CN209606975U - It is a kind of for protecting the anti-radiation controller chip and controller of component - Google Patents
It is a kind of for protecting the anti-radiation controller chip and controller of component Download PDFInfo
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- CN209606975U CN209606975U CN201920566113.6U CN201920566113U CN209606975U CN 209606975 U CN209606975 U CN 209606975U CN 201920566113 U CN201920566113 U CN 201920566113U CN 209606975 U CN209606975 U CN 209606975U
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Abstract
The utility model discloses a kind of for protecting the anti-radiation controller chip of component; the anti-radiation controller chip includes: ray detector, band-gap reference device, signal comparator and controller; the ray detector is sent radiomimesis signal to the signal comparator by after radiation；The band-gap reference device continues to send reference voltage signal to the signal comparator；The signal comparator, compares the radiomimesis signal and the reference voltage signal obtains analog signal, and the analog signal is sent to the controller；The controller, in response to receiving the analog signal, the opening and closing of integrated component circuit is protected in control.Using the chip, the influence radiated to ic component is reduced, is realized to the monitoring of radiation environment ray and to the switch control of integrated component, while having both higher sensitivity, higher stability etc..
Description
Technical field
The utility model relates to microelectronics technologies, more particularly to a kind of for protecting the anti-radiation control of component
Device chip and controller.
Background technique
Some atomic nucleus are unstable in nature, it can spontaneously change nuclear structure, and this phenomenon claims nuclear decay.In
Electrification or uncharged particle with certain kinetic energy, i.e. α, β and gamma-rays, this phenomenon are always radiated during nuclear decay
Referred to as radioactivity.Radioactivity is mainly derived from natural source and artificial source in environment, and natural source has cosmic ray, natural radioactive nucleus
Element, natural radionuclide, natural radiation origin；There are nuclear test and space flight accident, nuclear industry, industrial or agricultural, doctor in artificial source source
Learn the exploitation and utilization with departments, radioactivity mine such as scientific researches.And the ic component for being chronically in above-mentioned environment
For, such ring is chronically at due to there is a large amount of radiation and high energy particle, ic component in its working environment
When in border, positive charge can be caused to accumulate due to the influence of radiation, occur to degenerate so as to cause device performance and even fail, this feelings
Condition is total dose effect；When meeting with the bombardment of high energy particle, the running parameter and service life of device will inevitably
It is affected, the failure of device can be also caused when serious, cause the accident that can not be retrieved, such case is single particle effect.It is right
In above-mentioned special dimension, need to protect some apparatus etc. in radiation environment, it may be assumed that can be in environment
Ray energy be monitored, when ray energy be more than certain value when can close Sensitive Apparatus, achieve the purpose that protective device.
Therefore, it to reduce influence of the radiation to ic component, realizes and radiation environment ray is monitored and to integrated
The switch control of component, while having both higher sensitivity, higher stability etc., it is desirable to provide a kind of novel anti-radiation
Controller chip.
Utility model content
The purpose of this utility model is to provide a kind of for protecting the anti-radiation controller chip of component, on solving
State problem.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
The utility model first aspect discloses a kind of for protecting the anti-radiation controller chip of component, the anti-spoke
Penetrating controller chip includes: ray detector, band-gap reference device, signal comparator and controller,
The ray detector is sent radiomimesis signal to the signal comparator by after radiation；
The band-gap reference device continues to send reference voltage signal to the signal comparator；
The signal comparator, compares the radiomimesis signal and the reference voltage signal obtains analog signal, and
The analog signal is sent to the controller；
The controller, in response to receiving the analog signal, the opening and closing of integrated component circuit is protected in control.
Preferably, the anti-radiation controller chip includes: signal amplifier, for carrying out the radiomimesis signal
Amplification, wherein the signal amplifier is arranged between the ray detector and the signal comparator.
Preferably, the anti-radiation controller chip further include: signal adapter, data storage and data link,
The analog signal is converted to digital signal in real time and is sent to the data storage by the signal adapter；
The data storage, digital signal described in real-time storage；
The data stored in the data module are transmitted to external equipment by the data link.
Preferably, the anti-radiation controller chip further include: protection circuit, for protection setting in the anti-radiation control
Sensitive logic circuits in device chip processed.
Preferably, the protection circuit includes: primary particle inversion resistant in watchdog circuit, triplication redundancy circuit and circuit
At least one of DICE structural circuit.
Preferably, the sensitive logic circuits in the anti-radiation controller chip use Flouride-resistani acid phesphatase structure,
The Flouride-resistani acid phesphatase structure includes: at least one of special grid mechanism, the isolation ring of anti-single particle latch.
The utility model second aspect discloses a kind of for protecting the anti-radiation controller of component, comprising: institute as above
The anti-radiation controller chip stated.
The beneficial effects of the utility model are as follows:
The utility model provides a kind of for protecting the anti-radiation controller chip and controller of component, the anti-spoke
Penetrating controller chip has highly sensitive, high stability and wide dynamic range characteristic, is realized by a chip to radiation
The monitoring of radioactive ray in environment, while the anti-radiation controller chip is used, it realizes and radiation environment ray is monitored and to collection
At the switch control of component, the influence radiated to ic component is reduced, while having both higher sensitivity, it is higher
Stability etc..
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows the schematic diagram of anti-radiation controller chip in one embodiment.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
As shown in Figure 1, being disclosed in one embodiment of the utility model a kind of for protecting the anti-radiation of component
Controller chip, the anti-radiation controller chip include: ray detector, band-gap reference device, signal comparator and controller.
For the anti-radiation controller chip to work in radiation environment, the ray in the anti-radiation controller chip is visited
It surveys device and sends radiomimesis signal to the signal comparator after by radiation, while the band-gap reference device can be held
Continue to the signal comparator and sends reference voltage signal；When the signal comparator, receive the radiomimesis signal and
It after the reference voltage signal, is compared, obtains analog signal, the analog signal is then sent to the controller；
The controller controls the opening and closing for being protected integrated component circuit after receiving the analog signal.It is protected by opening and closing
Device circuitry is to reduce the influence radiated to each component.Wherein, the reference voltage signal is a kind of Low Drift Temperature voltage signal.
In the above-described embodiments, the analog signal is the voltage of the reference voltage signal and the radiomimesis signal
Difference, by the way that the analog signal of the voltage difference is sent to the controller, can be generated by obtaining logic circuit in the controller by one
Electric signal is controlled by the electric signal by the switch of the circuit in protection component.Work based on the metal-oxide-semiconductor in circuit is former
Reason, the electric signal can change with the variation of the voltage difference of raying influence, just control after the electric signal is greater than the set value
System is by the closing of circuit in protection component, conversely, opening.Optionally, the controller uses MCU or programmable logic device
Part etc..
In the present embodiment, the anti-radiation controller chip includes: signal amplifier, for believing the radiomimesis
It number amplifies, wherein the signal amplifier is arranged between the ray detector and the signal comparator.
In the present embodiment, the anti-radiation controller chip further include: signal adapter, data storage and data pass
Defeated device.After receiving the analog signal that the signal comparator generates, the signal adapter is real-time by the analog signal
It is converted to digital signal and is sent to the data storage；Digital signal described in the data storage real-time storage；Using institute
It states data link and the data stored in the data module is transmitted to external equipment.By showing that equipment is counted accordingly
According to display, so that monitoring personnel can real-time monitor the ray situation around the device using the chip.Monitoring personnel can
It is analyzed and determined according to the data of record, to make corresponding regulating measures according to the actual situation.Optionally, the signal turns
Parallel operation are as follows: A/D converter.Anti-radiation controller chip in the present embodiment has both radiation detection and circuit control, structure simultaneously
Simply, many aerial lugs are eliminated, to reduce the energy loss on conducting wire, are further reduced radioactive ray to anti-radiation control
The influence of component in device processed enables to signal transmission more stable and accurate.
To protect the device to work in radiation environment, the anti-radiation control disclosed in the utility model embodiment
The chip of device also needs to be in radiation environment, thus radiation-hardened design is also considered for anti-radiation controller chip, Wo Menke
To carry out consolidation process to it in terms of several:
In the present embodiment, existing design reinforcement technology on the one hand is utilized to the anti-radiation controller chip, quick
Sense and important logic circuitry portions are added protection circuit or using Flouride-resistani acid phesphatase designs etc..Further, the anti-radiation control
Device chip includes: protection circuit, for sensitive logic circuits of the protection setting in the anti-radiation controller chip.For example,
The protection circuit may is that primary particle inversion resistant DICE structural circuit in watchdog circuit, triplication redundancy circuit and circuit
At least one of Deng.Preferably, for the sensitive logic circuits in the anti-radiation controller chip for sensitive and logical electricity
Road part can also use existing Flouride-resistani acid phesphatase designing technique in terms of domain.For example, the Flouride-resistani acid phesphatase design includes: special
At least one of modes such as the design of grid mechanism, the isolation ring design of anti-single particle latch.By described in utilization in the present embodiment
The anti-radiation controller chip is protected in protection circuit or Flouride-resistani acid phesphatase design, enables adaptation to radiate, for a long time
The safe and reliable work under radiation regimes.
On the other hand, it is reinforced by material and technique: reaching the requirement of Flouride-resistani acid phesphatase by the optimization of technique, such as exist
The process aspects such as CMOS, SOI, SOS, GaAs, ferroelectricity are able to carry out finishing, and are applied to Flouride-resistani acid phesphatase integrated circuit
In.
A kind of for protecting the anti-radiation controller of component, packet is disclosed in another embodiment of the utility model
It includes: anti-radiation controller chip as described above.
In conclusion anti-radiation controller chip described in embodiment and anti-radiation controller can be in real time to by protection members
Device is protected, while experimenter can understand ray environment locating at present around device by monitoring device.This reality
With it is novel be a chips, reduce conducting wire connection influence, will also decrease influence of the extraneous factor to data, final number
According to accuracy height, stability gets a promotion, and transmission speed will also get a promotion.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (7)
1. a kind of for protecting the anti-radiation controller chip of component, which is characterized in that the anti-radiation controller chip packet
It includes: ray detector, band-gap reference device, signal comparator and controller,
The ray detector is sent radiomimesis signal to the signal comparator by after radiation；
The band-gap reference device continues to send reference voltage signal to the signal comparator；
The signal comparator, compares the radiomimesis signal and the reference voltage signal obtains analog signal, and by institute
It states analog signal and is sent to the controller；
The controller, in response to receiving the analog signal, the opening and closing of integrated component circuit is protected in control.
2. according to claim 1 for protecting the anti-radiation controller chip of component, which is characterized in that the anti-spoke
Penetrating controller chip includes: signal amplifier, for amplifying the radiomimesis signal, wherein the signal amplifier
It is arranged between the ray detector and the signal comparator.
3. according to claim 1 for protecting the anti-radiation controller chip of component, which is characterized in that the anti-spoke
Penetrate controller chip further include: signal adapter, data storage and data link,
The analog signal is converted to digital signal in real time and is sent to the data storage by the signal adapter；
The data storage, digital signal described in real-time storage；
The data stored in the data storage are transmitted to external equipment by the data link.
4. according to claim 1 for protecting the anti-radiation controller chip of component, which is characterized in that the anti-spoke
Penetrate controller chip further include: protection circuit, for sensitive and logical electricity of the protection setting in the anti-radiation controller chip
Road.
5. according to claim 4 for protecting the anti-radiation controller chip of component, which is characterized in that the protection
Circuit includes: at least one in primary particle inversion resistant DICE structural circuit in watchdog circuit, triplication redundancy circuit and circuit
It is a.
6. according to claim 1 for protecting the anti-radiation controller chip of component, which is characterized in that the anti-spoke
The sensitive logic circuits penetrated in controller chip use Flouride-resistani acid phesphatase structure,
The Flouride-resistani acid phesphatase structure includes the isolation ring of anti-single particle latch.
7. a kind of for protecting the anti-radiation controller of component characterized by comprising as any one in claim 1-6
Anti-radiation controller chip described in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920566113.6U CN209606975U (en) | 2019-04-24 | 2019-04-24 | It is a kind of for protecting the anti-radiation controller chip and controller of component |
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| CN201920566113.6U CN209606975U (en) | 2019-04-24 | 2019-04-24 | It is a kind of for protecting the anti-radiation controller chip and controller of component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109947695A (en) * | 2019-04-24 | 2019-06-28 | 北京锐达芯集成电路设计有限责任公司 | It is a kind of for protecting anti-radiation controller chip, controller and the method for component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109947695A (en) * | 2019-04-24 | 2019-06-28 | 北京锐达芯集成电路设计有限责任公司 | It is a kind of for protecting anti-radiation controller chip, controller and the method for component |
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