CN102347605A - Electrostatic discharge protection module - Google Patents
Electrostatic discharge protection module Download PDFInfo
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- CN102347605A CN102347605A CN2010102462219A CN201010246221A CN102347605A CN 102347605 A CN102347605 A CN 102347605A CN 2010102462219 A CN2010102462219 A CN 2010102462219A CN 201010246221 A CN201010246221 A CN 201010246221A CN 102347605 A CN102347605 A CN 102347605A
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Abstract
The invention relates to an electrostatic discharge protection module and is applicable to being electrically connected with an electronic device or a chip to detect whether an electrostatic discharge effect is generated in the electronic device or the chip. The electrostatic discharge protection module comprises an electrostatic discharge sensing unit and a logical operation unit, wherein the electrostatic discharge sensing unit is electrically connected with the electronic device or the chip and used for sensing whether the electrostatic discharge effect is generated in the electronic device; and the logical operation unit is electrically connected with the electronic device or the chip and used for performing logical operation and outputting a chip mode control signal into the chip to make the chip switched into an idle mode or a sleep mode.
Description
Technical field
The present invention relates to a kind of electrostatic discharge protective module, particularly relate to this chip is disturbed in a kind of protection from a chip exterior or inner static discharge effect electrostatic discharge protective module.
Background technology
Generally speaking, (Electrostatic Discharge, ESD) effect is to cause most electronic component or electronic system to receive excessively electrically stress (Electrical Overstress, EOS) principal element of Po Huaiing to static discharge.This destruction can cause semiconductor element and computer system etc., forms a kind of breaking-up of permanent or impermanency (temporary), thereby influences the circuit function of a chip or an electronic product, and makes that electronic product work is undesired.
Present stage all is to protect to the buffer or the latch unit (latch) that in the electronic installation or in the chip static discharge effect take place and influence correspondence for the electrostatic discharge protective correlation technique; Like TaiWan, China patent No. I296439, I300291, I302374 etc.; This kind Technology Need is to a plurality of buffers in this electronic installation or this chip or latch unit adds corresponding protective circuit respectively; This measure will increase this electronic installation or the design of this chip and production cost; And in case when the static discharge effect takes place; It only can be for having the relevant buffer or the latch unit that add the holding circuit design to protect; Remaining circuit element for not being protected circuit protection in other these electronic installations or this chip may produce the influence that can't expect; And then causing this electronic installation or this chip to produce the malfunction or the instruction of execution error, these all are the still insurmountable problems of technology now.
This shows that above-mentioned existing electrostatic discharge protective obviously still has inconvenience and defective, and demands urgently further improving in structure and use.So the electrostatic discharge protective module of how to found a kind of new structure, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to; Overcome the defective that existing electrostatic discharge protective exists; And a kind of electrostatic discharge protective module of new structure is provided; Technical problem to be solved is it to be applicable to respectively be electrically connected with the chip mode selected cell and a chip of an electronic installation, selects signal with a chip mode that receives this chip mode selected cell output.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.A kind of electrostatic discharge protective module according to the present invention's proposition; Be applicable to respectively and be electrically connected with the chip mode selected cell and a chip of an electronic installation; Chip mode to receive this chip mode selected cell output is selected signal; It comprises: a static discharge sensing cell; Be electrically connected in order to whether to have the static discharge effect in this electronic installation of sensing with this electronic installation; And export a static discharge sensing signal in view of the above; An and ALU; Wherein: this ALU is electrically connected with this chip mode selected cell and this static discharge sensing cell respectively; Select signal and this static discharge sensing signal to receive this chip mode; Said signal is carried out an exclusive disjunction or one and computing, and export a static discharge sensing signal to this chip to switch the operator scheme of this chip.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid electrostatic discharge protective module, wherein said chip controls signal switches to an idle mode with this chip.
Aforesaid electrostatic discharge protective module, wherein said static discharge sensing cell comprise that one is electrically connected with this electronic installation and in order to detect the power supply signal sensor of a power supply reset signal in this electronic installation.
Aforesaid electrostatic discharge protective module; Wherein said static discharge sensing cell comprises a power supply signal sensor that is electrically connected with this electronic installation, a static discharge detector that is electrically connected with this electronic installation; And be electrically connected with this power supply signal sensor and this static discharge detector or grid; And this or grid carry out an exclusive disjunction according to the output valve of this power supply signal sensor and this static discharge detector, to draw this static discharge sensing signal.
Aforesaid electrostatic discharge protective module, wherein said arithmetic logic unit comprise one or grid.
Aforesaid electrostatic discharge protective module, wherein said arithmetic logic unit comprise one and grid.
The object of the invention and solve its technical problem and also adopt following technical scheme to realize.A kind of electrostatic discharge protective module according to the present invention's proposition; Be applicable to the control module of a chip and be electrically connected; To receive a chip reset signal of this control module output; It comprises: a static discharge sensing cell; Be electrically connected with this chip in order to whether having the static discharge effect in this chip of sensing, and export a static discharge sensing signal in view of the above; An and arithmetic logic unit; Wherein: this arithmetic logic unit is electrically connected with this control module and this static discharge sensing cell respectively; To receive this chip reset signal and this static discharge sensing signal; Said signal is carried out an exclusive disjunction or one and computing, and export a static discharge sensing signal to this chip to switch the operator scheme of this chip.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid electrostatic discharge protective module, wherein said chip controls signal switches to a sleep pattern with this chip.
Aforesaid electrostatic discharge protective module, wherein said static discharge sensing cell comprise that one is electrically connected with this chip and in order to detect the power supply signal sensor of a power supply reset signal in this chip.
Aforesaid electrostatic discharge protective module; Wherein said static discharge sensing cell comprises a power supply signal sensor that is electrically connected with this chip, a static discharge detector that is electrically connected with this chip; And be electrically connected with this power supply signal sensor and this static discharge detector or grid; And this or grid carry out an exclusive disjunction according to the output valve of this power supply signal sensor and this static discharge detector, to draw this static discharge sensing signal.
Aforesaid electrostatic discharge protective module, wherein said arithmetic logic unit comprise one or grid.
Aforesaid electrostatic discharge protective module, wherein said arithmetic logic unit comprise one and grid.
The object of the invention and solve its technical problem and adopt following technical scheme to realize in addition again.A kind of electrostatic discharge protective module according to the present invention's proposition; Be applicable to respectively and be electrically connected with the chip mode selected cell and a chip of an electronic installation; It comprises: a power supply signal sensor is electrically connected with this electronic installation and in order to a power supply reset signal in this electronic installation of sensing; One static discharge detector is electrically connected with this electronic installation and in order to whether to have the static discharge effect in this electronic installation of sensing; And one or grid; Wherein: this or grid are electrically connected with this power supply signal sensor and this static discharge detector respectively; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, and exports a static discharge sensing signal to this chip to switch the operator scheme of this chip.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid electrostatic discharge protective module, wherein said chip controls signal switches to an idle mode with this chip.
The object of the invention and solve its technical problem and also adopt following technical scheme to realize in addition.A kind of electrostatic discharge protective module according to the present invention proposes is applicable to a chip to be electrically connected that it comprises: a power supply signal sensor is electrically connected with this chip and in order to a power supply reset signal in this chip of sensing; One static discharge detector is electrically connected with this chip and in order to whether to have the static discharge effect in this chip of sensing; And one or grid; Wherein: this or grid are electrically connected with this power supply signal sensor and this static discharge detector; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, and exports a static discharge sensing signal to this chip to switch the operator scheme of this chip.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid electrostatic discharge protective module, wherein said chip controls signal switches to a sleep pattern with this chip.
The present invention compared with prior art has tangible advantage and beneficial effect.Can know by above technical scheme; Major technique of the present invention thes contents are as follows: be to provide a kind of electrostatic discharge protective module; Be applicable to respectively and be electrically connected with the chip mode selected cell and a chip of an electronic installation; Chip mode to receive this chip mode selected cell output is selected signal; It comprises: a static discharge sensing cell; Be electrically connected with this electronic installation in order to whether having the static discharge effect in this electronic installation of sensing, and export a static discharge sensing signal in view of the above; One arithmetic logic unit; Be electrically connected with this chip mode selected cell and this static discharge sensing cell respectively; Select signal and this static discharge sensing signal to receive this chip mode; And said signal carried out an exclusive disjunction or one and computing, control signal in this chip to export a chip mode.
In addition; The present invention more provides a kind of electrostatic discharge protective module; Be applicable to the control module of a chip and be electrically connected; To receive a chip reset signal of this control module output; It comprises: a static discharge sensing cell; Be electrically connected with this chip in order to whether having the static discharge effect in this chip of sensing, and export a static discharge sensing signal in view of the above; An and arithmetic logic unit; Be electrically connected with this control module and this static discharge sensing cell respectively; Receiving this chip reset signal and this static discharge sensing signal, and said signal carried out an exclusive disjunction or one and computing, control signal in this chip to export a chip mode.
In addition; The present invention more provides a kind of electrostatic discharge protective module; Be applicable to respectively to be electrically connected with the chip mode selected cell and a chip of an electronic installation that it comprises: a power supply signal sensor is electrically connected with this electronic installation and in order to a power supply reset signal in this electronic installation of sensing; One static discharge detector is electrically connected with this electronic installation and in order to whether to have the static discharge effect in this electronic installation of sensing; And one or grid; Be electrically connected with this power supply signal sensor and this static discharge detector; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, to draw a static discharge sensing signal to switch the execution pattern of this chip.
In addition, the present invention more provides a kind of electrostatic discharge protective module, is applicable to a chip to be electrically connected that it comprises: a power supply signal sensor is electrically connected with this chip and in order to a power supply reset signal in this chip of sensing; One static discharge detector is electrically connected with this chip and in order to whether to have the static discharge effect in this chip of sensing; And one or grid; Be electrically connected with this power supply signal sensor and this static discharge detector; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, to draw a static discharge sensing signal to switch the execution pattern of this chip.
By technique scheme; Electrostatic discharge protective module of the present invention has advantage and beneficial effect at least: be effectively to detect an electronic installation or whether a chip exists the static discharge effect; And when this static discharge effect takes place, this chip is switched to an idle mode or a sleep pattern; With of the injury of this static discharge effect of effective isolation for this chip; Simultaneously; The present invention utilizes simple logical circuit to achieve the above object, so can increase the design and the production cost of this chip hardly.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification; And for allow above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable; The following special preferred embodiment of lifting; And conjunction with figs., describe in detail as follows.
Description of drawings
Fig. 1 is the sketch map of first preferred embodiment of the present invention; And
Fig. 2 is the sketch map of second preferred embodiment of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of electrostatic discharge protective module, structure, characteristic and the effect thereof that proposes according to the present invention, describe in detail as after.
First preferred embodiment
Consult Fig. 1; First preferred embodiment of electrostatic discharge protective module 1 of the present invention is electrically connected with the chip mode selected cell 91 and a chip 8 of an electronic installation 9 respectively; Chip mode to receive these chip mode selected cell 9 outputs is selected signal (CSX); It is in order to switch the present execution pattern of this chip 8, and it comprises: a static discharge sensing cell 11 and an arithmetic logic unit 12.
This static discharge sensing cell 11 comprises: a static discharge detector (ESD detector) 111, one power supply signal sensor 112, and with one or grid (OR gate) 113.This static discharge detector 111; This power supply signal sensor 112 is electrically connected with this or grid 113 respectively; And this or grid 113 are according to this static discharge detector 111; The output valve of this power supply signal sensor 112 is carried out an exclusive disjunction to obtain a static discharge sensing signal (ESD_DET); And should or grid 113 this static discharge sensing signal ESD_DET is exported in this arithmetic logic unit 12; Make this arithmetic logic unit 12 select signal CSX and this static discharge sensing signal ESD_DET to carry out a logical operation, to export a chip mode control signal (CCX) to this chip 8 according to this chip mode.Wherein, in the present embodiment, this arithmetic logic unit 12 is one or grid (figure do not show).
This static discharge detector 111 is in order to detect in this electronic installation 9 whether the static discharge effect takes place, if then its output valve is 1, if not, then its output valve is 0.And whether this power supply signal sensor 112 receives the influence of static discharge effect in order to the general supply (Global power) of detecting this electronic installation 9, if then its output valve is 1, if not, then its output valve is 0.Wherein, In the present embodiment; This power supply signal sensor 112 is in order to the power supply reset signal of this electronic installation 9 of sensing (Power On Reset signal; POR); Because when this electronic installation 9 received the interference of static discharge effect, the general supply signal of this electronic installation 9 also can be affected and produce irregular surging; Therefore, whether this power supply signal sensor 112 can produce abnormal misoperation because of the static discharge effect in order to this power supply reset signal of sensing POR.If when this power supply reset signal POR received influencing of static discharge effect, then the output valve of this power supply signal sensor 112 was 1, on the contrary, the output valve of this power supply signal sensor 112 then is 0.
In other words; When this electronic installation 9 receives the static discharge effects; By this static discharge detector 111 and these power supply signal sensor 112 pairing output valves; After the computing through this or grid 113; Can make that this static discharge sensing signal ESD_DET is 1; And no matter this chip mode select signal CSX value why, this chip mode control signal CCX also is 1, so can make this chip 8 switch to an idle mode (Idle mode).
In the present embodiment; This idle mode be defined as neither storage of data that this chip 8 is imported for its input; Handle; Any actions such as response; In other words; When this chip 8 switches to this idle mode; To ignore any input data and do not receive or store; To avoid receiving any rub-out signal and misdata that produces because this electronic installation 9 receives the static discharge effects; Make the instruction of these chip 8 execution errors; Therefore, for this chip 8, can effectively isolate from the caused indirect interference of the static discharge effect of electronic installation 9 or chip exterior.
In addition, what be worth explanation is that the electrostatic discharge protective module 1 of present embodiment can be arranged at these chip 8 outsides and be electrically connected with this chip 8, or can be arranged at this chip 8 inside.And the characteristic that this ALU 12 can be looked this static discharge sensing signal ESD_DET and this chip mode selection signal CSX is positive edge triggering signal or negative edge triggering signal; Do suitable equivalent modifications; For instance; When the static discharge effect takes place in this electronic installation 9 of 0 interval scale this static discharge sensing signal ESD_DET; At this moment; This ALU 12 can change and be designed to one and grid (ANDgate); Make that this chip mode control signal CCX is 0; And with this chip mode control signal CCX is 0 to be designed to switch this chip 8 and to get into these idle modes; Therefore; These change characteristics of signals are to change the avoidance mode of these ALU 12 designs; All be considered as the equivalence design that personage that this area has professional knowledge can revise easily, in the claim that therefore still belongs to patent of the present invention and contained.
Second preferred embodiment
Consult Fig. 2; Second preferred embodiment of electrostatic discharge protective module 1 of the present invention; Be to be electrically connected with the control module 81 of a chip 8; To receive a chip reset signal (RSTN) of these control module 81 outputs; It is in order to this chip 8 of resetting, and it comprises: a static discharge sensing cell 11 and an arithmetic logic unit 12.
This static discharge sensing cell 11 comprises: a static discharge detector 111, a power supply signal sensor 112, and with one or grid 113.This static discharge detector 111; This power supply signal sensor 112 is electrically connected with this or grid 113 respectively; And this or grid 113 are according to this static discharge detector 111; The output valve of this power supply signal sensor 112 is carried out an exclusive disjunction to obtain a static discharge sensing signal ESD_DET; And should or grid 113 this static discharge sensing signal ESD_DET is exported in this arithmetic logic unit 12; Make this arithmetic logic unit 12 carry out a logical operation, to export a chip mode control signal CCXN to this chip 8 according to this chip reset signal RSTN and this static discharge sensing signal ESD_DET.Wherein, in the present embodiment, this arithmetic logic unit 12 comprises: one and grid 121 and anti-grid (inverter) 122.
This static discharge detector 111 is in order to detect in this chip 8 whether the static discharge effect takes place, if then its output valve is 1, if not, then its output valve is 0.And whether this power supply signal sensor 112 receives the influence of static discharge effect in order to the power supply signal of detecting this chip 8, if then its output valve is 1, if not, then its output valve is 0.
What be worth explanation is; In the present embodiment; This chip reset signal RSTN is a negative edge triggering signal; And the chip mode control signal CCXN that this chip 8 is received also is a negative edge triggering signal; That is to say; When this chip mode control signal CCXN is 0, this chip 8 will switch to a sleep pattern (Sleeping mode).
After this static discharge sensing signal ESD_DET that this or grid 113 are exported carries out reverse computing via these anti-grid 122, export this and grid 121 and this chip reset signal RSTN again to and do and computing.Therefore; When this chip 8 receives the static discharge effects; By this static discharge detector 111 and these power supply signal sensor 112 pairing output valves; After the computing through this or grid 113; Can make that this static discharge sensing signal ESD_DET is 1; At this moment; No matter whether this chip reset signal RSTN is triggered (no matter the value that is to say RSTN why); The chip mode control signal CCXN that this arithmetic logic unit 12 is exported can be 0, so that this chip 8 switches to this sleep pattern.
In the present embodiment; Being defined as these chip 8 internal circuits and will suspending all operational functions of this sleep pattern; In other words; When this chip 8 switches to this sleep pattern; To stop any functional processing of this chip; The rub-out signal and the misdata that produce because the internal circuit of this chip 8 receives the static discharge effects to avoid; Make the instruction of chip 9 execution errors; Therefore, for this chip 8, can effectively prevent because the direct interference that the static discharge effect of chip internal is produced.
What remark additionally is; Comprehensive aforementioned two preferred embodiments; This arithmetic logic unit 12 can according to the different qualities of received signal and with the unity logic grid or the simple combination of a plurality of logic gates be to constitute, so the execution mode of said simple change or modification is all the covering scope of patent of the present invention.
Electrostatic discharge protective module of the present invention can in order to effective protection when a chip internal or the electronic installation generation static discharge effect that is electrically connected with a chip for this chip possibly cause directly and indirect influence; Simultaneously; The present invention can with this chip suitable switch to an idle mode or a sleep pattern; Institute possibly produce malfunction or the execution error that can't expect and instructs when effectively avoiding the static discharge effect to take place; In addition; Electrostatic discharge protective module of the present invention can be arranged at this chip exterior and be electrically connected with this chip; Or can be arranged at this chip internal; (be the computing of numerical digit metalogic via the digital logical operation of simplifying then; Below all being called digital logical operation) mode to be to reach the purpose of electrostatic discharge protective; So can increase this area of chip hardly; Certainly also can increase the design and the production cost of chip hardly, so can reach the object of the invention really.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limit the present invention; Anyly be familiar with the professional and technical personnel; In not breaking away from technical scheme scope of the present invention; When the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention;, all still belong in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (16)
1. electrostatic discharge protective module; Be applicable to respectively and be electrically connected with the chip mode selected cell and a chip of an electronic installation; Chip mode to receive this chip mode selected cell output is selected signal; It comprises: a static discharge sensing cell; Be electrically connected in order to whether to have the static discharge effect in this electronic installation of sensing with this electronic installation; And export a static discharge sensing signal in view of the above; An and ALU; It is characterized in that: this ALU is electrically connected with this chip mode selected cell and this static discharge sensing cell respectively; Select signal and this static discharge sensing signal to receive this chip mode; Said signal is carried out an exclusive disjunction or one and computing, and export a static discharge sensing signal to this chip to switch the operator scheme of this chip.
2. electrostatic discharge protective module according to claim 1 is characterized in that: this chip controls signal switches to an idle mode with this chip.
3. electrostatic discharge protective module according to claim 1 is characterized in that: this static discharge sensing cell comprises that one is electrically connected with this electronic installation and in order to detect the power supply signal sensor of a power supply reset signal in this electronic installation.
4. electrostatic discharge protective module according to claim 1; It is characterized in that: this static discharge sensing cell comprises a power supply signal sensor that is electrically connected with this electronic installation, a static discharge detector that is electrically connected with this electronic installation; And be electrically connected with this power supply signal sensor and this static discharge detector or grid; And this or grid carry out an exclusive disjunction according to the output valve of this power supply signal sensor and this static discharge detector, to draw this static discharge sensing signal.
5. electrostatic discharge protective module according to claim 1 is characterized in that: this arithmetic logic unit comprises one or grid.
6. electrostatic discharge protective module according to claim 1 is characterized in that: this arithmetic logic unit comprises one and grid.
7. electrostatic discharge protective module; Be applicable to the control module of a chip and be electrically connected; To receive a chip reset signal of this control module output; It comprises: a static discharge sensing cell; Be electrically connected with this chip in order to whether having the static discharge effect in this chip of sensing, and export a static discharge sensing signal in view of the above; An and arithmetic logic unit; It is characterized in that: this arithmetic logic unit is electrically connected with this control module and this static discharge sensing cell respectively; To receive this chip reset signal and this static discharge sensing signal; Said signal is carried out an exclusive disjunction or one and computing, and export a static discharge sensing signal to this chip to switch the operator scheme of this chip.
8. electrostatic discharge protective module according to claim 7 is characterized in that: this chip controls signal switches to a sleep pattern with this chip.
9. electrostatic discharge protective module according to claim 7 is characterized in that: this static discharge sensing cell comprises that one is electrically connected with this chip and in order to detect the power supply signal sensor of a power supply reset signal in this chip.
10. electrostatic discharge protective module according to claim 7; It is characterized in that: this static discharge sensing cell comprises a power supply signal sensor that is electrically connected with this chip, a static discharge detector that is electrically connected with this chip; And be electrically connected with this power supply signal sensor and this static discharge detector or grid; And this or grid carry out an exclusive disjunction according to the output valve of this power supply signal sensor and this static discharge detector, to draw this static discharge sensing signal.
11. electrostatic discharge protective module according to claim 7 is characterized in that: this arithmetic logic unit comprises one or grid.
12. electrostatic discharge protective module according to claim 7 is characterized in that: this arithmetic logic unit comprises one and grid.
13. electrostatic discharge protective module; Be applicable to respectively and be electrically connected with the chip mode selected cell and a chip of an electronic installation; It comprises: a power supply signal sensor is electrically connected with this electronic installation and in order to a power supply reset signal in this electronic installation of sensing; One static discharge detector is electrically connected with this electronic installation and in order to whether to have the static discharge effect in this electronic installation of sensing; And one or grid; It is characterized in that: this or grid are electrically connected with this power supply signal sensor and this static discharge detector respectively; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, and exports a static discharge sensing signal to this chip to switch the operator scheme of this chip.
14. electrostatic discharge protective module according to claim 13 is characterized in that: this chip controls signal switches to an idle mode with this chip.
15. an electrostatic discharge protective module is applicable to a chip to be electrically connected that it comprises: a power supply signal sensor is electrically connected with this chip and in order to a power supply reset signal in this chip of sensing; One static discharge detector is electrically connected with this chip and in order to whether to have the static discharge effect in this chip of sensing; And one or grid; It is characterized in that: this or grid are electrically connected with this power supply signal sensor and this static discharge detector; And its output valve according to this power supply signal sensor and this static discharge detector is carried out an exclusive disjunction, and exports a static discharge sensing signal to this chip to switch the operator scheme of this chip.
16. electrostatic discharge protective module according to claim 15 is characterized in that: this chip controls signal switches to a sleep pattern with this chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102462219A CN102347605A (en) | 2010-08-04 | 2010-08-04 | Electrostatic discharge protection module |
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|---|---|---|---|
| CN2010102462219A CN102347605A (en) | 2010-08-04 | 2010-08-04 | Electrostatic discharge protection module |
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| CN102347605A true CN102347605A (en) | 2012-02-08 |
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| CN2010102462219A Pending CN102347605A (en) | 2010-08-04 | 2010-08-04 | Electrostatic discharge protection module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI507839B (en) * | 2013-05-24 | 2015-11-11 | Raydium Semiconductor Corp | Electrostatic detecting circuit and method thereof |
| CN105608413A (en) * | 2014-11-14 | 2016-05-25 | 深圳市汇顶科技股份有限公司 | Latch recovery mechanism of fingerprint sensor based on state monitoring and handshake |
| CN108254644A (en) * | 2018-02-08 | 2018-07-06 | 芯颖科技有限公司 | ESD detection device, system and method |
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| CN1953178A (en) * | 2005-10-21 | 2007-04-25 | 威盛电子股份有限公司 | Projecting circuits from electrostatic dischange |
| US20070252615A1 (en) * | 2006-04-26 | 2007-11-01 | Chyh-Yih Chang | Logic-keeping apparatus for improving system-level electrostatic discharge robustness |
| US20070297105A1 (en) * | 2006-06-23 | 2007-12-27 | Brennan Ciaran J | Active ESD Protection |
| US20090067107A1 (en) * | 2004-05-25 | 2009-03-12 | Kabushiki Kaisha Toshiba | Electrostatic Discharge Protective Circuit and Semiconductor Integrated Circuit Using the Same |
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| US20090067107A1 (en) * | 2004-05-25 | 2009-03-12 | Kabushiki Kaisha Toshiba | Electrostatic Discharge Protective Circuit and Semiconductor Integrated Circuit Using the Same |
| CN1953178A (en) * | 2005-10-21 | 2007-04-25 | 威盛电子股份有限公司 | Projecting circuits from electrostatic dischange |
| US20070252615A1 (en) * | 2006-04-26 | 2007-11-01 | Chyh-Yih Chang | Logic-keeping apparatus for improving system-level electrostatic discharge robustness |
| US20070297105A1 (en) * | 2006-06-23 | 2007-12-27 | Brennan Ciaran J | Active ESD Protection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI507839B (en) * | 2013-05-24 | 2015-11-11 | Raydium Semiconductor Corp | Electrostatic detecting circuit and method thereof |
| CN105608413A (en) * | 2014-11-14 | 2016-05-25 | 深圳市汇顶科技股份有限公司 | Latch recovery mechanism of fingerprint sensor based on state monitoring and handshake |
| CN108254644A (en) * | 2018-02-08 | 2018-07-06 | 芯颖科技有限公司 | ESD detection device, system and method |
| CN108254644B (en) * | 2018-02-08 | 2020-06-26 | 芯颖科技有限公司 | ESD detection device, system and method |
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Application publication date: 20120208 |