CN201773170U - Verification board card of integrated circuit chip tester - Google Patents

Verification board card of integrated circuit chip tester Download PDF

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Publication number
CN201773170U
CN201773170U CN2010202335897U CN201020233589U CN201773170U CN 201773170 U CN201773170 U CN 201773170U CN 2010202335897 U CN2010202335897 U CN 2010202335897U CN 201020233589 U CN201020233589 U CN 201020233589U CN 201773170 U CN201773170 U CN 201773170U
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CN
China
Prior art keywords
integrated circuit
circuit board
digital
authentication module
module
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Expired - Lifetime
Application number
CN2010202335897U
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Chinese (zh)
Inventor
刘华
张超
赵春莲
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Tianjin Jinneng Yiantai Technology Co., Ltd.
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TIANJIN EMPIRETEST Corp
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Priority to CN2010202335897U priority Critical patent/CN201773170U/en
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Abstract

The utility model relates to a verification board card of an integrated circuit chip tester. The verification board card comprises a connector which is connected with a tester main board, wherein the connector is connected with a power conversion module, a power board card verification module, a digital I/O board card verification module, a digitizer board card verification module and a waveform generator board card verification module respectively; and the output end of the power conversion module is connected with the power board card verification module, the digital I/O board card verification module, the digitizer board card verification module and the waveform generator board card verification module to provide working power supply for the modules. The verification board card is connected with the tester main board, and the automatic detection function of each functional board card is realized through a controller, so that whether a chip tester system is failed can be accurately judged, and each functional board card of the fault can be detected; and thus, the fault diagnosis work of the chip tester is simplified, the maintenance efficiency is improved, the maintenance cost is reduced, and reliable operation of the chip testing work is guaranteed.

Description

The checking integrated circuit board of integrated circuit chip testing machine
Technical field
The utility model belongs to the IC chip test field, especially a kind of checking integrated circuit board of integrated circuit chip testing machine.
Background technology
The design of integrated circuit (IC) chip and manufacturer often need use integrated circuit chip testing machine that integrated circuit (IC) chip is tested.Integrated circuit chip testing machine is connected and composed by test machine mainboard, each functional cards and chip support plate, and the test machine mainboard is controlled each functional cards co-ordination the to-be-measured integrated circuit chip on the chip support plate is tested.Because integrated circuit chip testing machine system architecture complexity, many faults solve simple as the debugging work that solves the pcb board card absolutely not, its failure location and eliminating need be paid a large amount of loaded down with trivial details work usually, and the requirement high relatively: not only need long-term knowledge and experience accumulation to the maintenance personal, understanding to communication protocol, also need a series of software and hardware instrument, the maintenance personal is difficult to find out intuitively guilty culprit, therefore, strengthen maintenance cost and maintenance personal's maintenance workload, influenced the test job of normal integrated circuit (IC) chip.
Summary of the invention
Be to overcome the deficiencies in the prior art order of the present utility model, a kind of checking integrated circuit board of integrated circuit chip testing machine is proposed, this checking integrated circuit board and test machine mainboard link together and realize automatic measuring ability to each functional cards, reduce maintenance cost, be convenient to maintenance personal's use, improved maintenance efficiency.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of checking integrated circuit board of integrated circuit chip testing machine, comprise the connector that is connected with the test machine mainboard, this connector is connected with power transfer module, power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module respectively, and the output terminal of power transfer module is connected with power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module provides working power for it.
And described power transfer module is that a power supply that the 12V direct supply is converted to the 5V direct supply is adjusted chip.
And described power supply integrated circuit board authentication module is the combination of parameter measurement unit integrated circuit board proof scheme, direct supply integrated circuit board proof scheme or parameter measurement unit integrated circuit board proof scheme and direct supply integrated circuit board proof scheme.
And, described parameter measurement unit integrated circuit board proof scheme comprises relay switch, resistance switch and resistance, and three groups of passages on the parameter measurement unit integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch;
And described direct supply integrated circuit board proof scheme comprises relay switch, resistance switch and resistance, and three groups of passages on the direct supply integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch.
And, described digital I/O integrated circuit board authentication module comprises main digital I/O integrated circuit board passage, second the data-signal of this main digital I/O integrated circuit board to four-way connection digitizer integrated circuit board authentication module and waveform generator integrated circuit board, the the 5th to the 18 passage connects relay control signal, and the 19 is connected with the 20 passage.
And the first passage of the digital I/O integrated circuit board of described master is connected with the first passage of other digital I/O integrated circuit boards, and third channel to the 20 passages of other digital I/O integrated circuit boards carry out parity channel successively and are connected.
And, described digitizer integrated circuit board authentication module, connected and composed successively by digital I/O integrated circuit board control signal, D/A converter module, first amplifier, relay, the output terminal of relay is connected with the digitizer integrated circuit board, and the digitizer plate is connected with controller.
And, described waveform generator integrated circuit board authentication module is connected and composed by digital I/O integrated circuit board control signal, second amplifier, digital I/O integrated circuit board control signal and analog-to-digital conversion module, numeral I/O integrated circuit board control signal connects the input end of waveform generator integrated circuit board and the control end of analog-to-digital conversion module, the output terminal of waveform generator integrated circuit board connects second amplifier input terminal, the output terminal of second amplifier is connected with the data input pin of analog-to-digital conversion module, and the data output end of analog-to-digital conversion module is connected with controller by the test machine mainboard.
Advantage of the present utility model and good effect are:
This checking integrated circuit board and test machine mainboard link together and by the automatic measuring ability of controller realization to each functional cards, can judge exactly whether the chip testing machine system breaks down, and internal fault can be accurate on the every functional cards.When verifying, carry out functional verification by each functional cards to test machine inside, whether checking integrated circuit board function can realize, whether the test result of exciter response is correct, whether parameter can reach etc., thereby the fault diagnosis work of facilitating chip test machine, improved maintenance efficiency, reduce maintenance cost, guaranteed the reliability service of chip testing work.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the circuit block diagram of the parameter measurement unit integrated circuit board proof scheme of power supply integrated circuit board authentication module;
Fig. 3 is the circuit block diagram of the direct supply integrated circuit board proof scheme of power supply integrated circuit board authentication module;
Fig. 4 is the circuit block diagram of digital I/O integrated circuit board authentication module;
Fig. 5 is the circuit block diagram of digitizer integrated circuit board authentication module;
Fig. 6 is the circuit block diagram of waveform generator integrated circuit board authentication module.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
A kind of checking integrated circuit board of integrated circuit chip testing machine, as shown in Figure 1, this checking integrated circuit board (part shown in the dotted line among the figure) and chip testing machine and controller are connected successively and realize fault detection capability to each functional cards in the chip testing machine.This witness plate cartoon is crossed Molex connector (female plug seat) and is connected with Molex connector (public plug) on the test machine mainboard, Molex number of connectors on Molex connector on the test machine mainboard and the checking integrated circuit board is 10, and these connectors are used for the transmission of control signal, data-signal and the power supply signal of test machine mainboard and checking integrated circuit board.The circuit structure of checking integrated circuit board, shown in Fig. 1 dotted portion, comprise the connector that is connected with the test machine mainboard, this connector is connected with power transfer module, power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module respectively, and the output terminal of power transfer module is connected with power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module provides working power for it.
Below each module in the witness plate card is described respectively:
Power transfer module is mainly adjusted chip by a power supply that the 12V direct supply is converted to the 5V direct supply and is constituted, the 12V direct voltage source that this power supply is adjusted chip can be provided the test machine mainboard is converted to the 5V direct-current working volts, and be connected to power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module, for relay and each module on the checking integrated circuit board provide 5V operating voltage.
Power supply integrated circuit board authentication module comprises parameter measurement unit integrated circuit board proof scheme, perhaps comprises direct supply integrated circuit board proof scheme, or the combination of parameter measurement unit integrated circuit board (PMU) proof scheme and direct supply integrated circuit board (DPS) proof scheme.This authentication module can be verified 6 parameter measurement unit integrated circuit boards on the test machine mainboard, this authentication module can verify 6 direct supply integrated circuit boards (DPS) on the test machine mainboard, also can verify the parameter measurement unit integrated circuit board (PMU) and the direct supply integrated circuit board (DPS) that add up to 6.
Parameter measurement unit integrated circuit board (PMU) proof scheme, as shown in Figure 2, parameter measurement unit integrated circuit board proof scheme comprises relay switch, resistance switch and resistance, three groups of passages on every parameter measurement unit integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch, adjust the resistance of each channel attached different resistance by the resistance switch, can be achieved as follows function: 1, fan-out capability to the parameter measurement unit integrated circuit board is verified, comprise output voltage checking and output current checking, utilize the principle V=IR of Ohm law to adopt FVMI (Force Voltage Measure Current output voltage respectively, measure electric current) and FIMV (output current, measuring voltage) mode is to output voltage, the ability of electric current is verified, by selecting corresponding resistance value, whether whether the deviation by judging actual measured value and calculated value in the scope that precision allows, come the ability of verification integrated circuit board output normal.2, the test voltage of parameter measurement unit integrated circuit board and the ability of electric current are verified, with 1 PMU integrated circuit board is reference data, other PMU integrated circuit board test values and its contrast, calculate deviation, judge whether in accuracy rating, its proof procedure is basic identical with checking output current and voltage course, difference is: the PMU integrated circuit board that is used as reference simultaneously be verified the identical parameter of integrated circuit board test, deduct the measured value of the PMU of reference with the measured value that is verified integrated circuit board, calculate deviation, compare.
The circuit structure of direct supply integrated circuit board (DPS) proof scheme, as shown in Figure 3, comprise relay switch, resistance switch and resistance, three groups of passages on every direct supply integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch, adjust the resistance of each channel attached different resistance by the resistance switch, realization (1) is verified the fan-out capability of direct supply integrated circuit board, (2) test voltage of direct supply integrated circuit board and the ability of electric current are verified that its principle is identical with parameter measurement unit integrated circuit board proof scheme.
Numeral I/O integrated circuit board authentication module as shown in Figure 4, can be verified by digital I/O integrated circuit board 14 on the test machine mainboard.Because every digital I/O integrated circuit board comprises 20 passages, therefore, totally 280 passages of 14 digital I/O integrated circuit boards are connected on the checking integrated circuit board by connector, first digit I/O integrated circuit board is as main digital I/O integrated circuit board, the 1st passage of this numeral I/O integrated circuit board is connected with the 1st passage of other 13 digital I/O integrated circuit boards, and jitter rate is gathered in the generation that is used for verification system; The the 2nd to the 4th passage of main digital I/O integrated circuit board connects the data-signal of waveform generator integrated circuit board (AWG) and digitizer integrated circuit board (DITZ) respectively; The 5th passage to the 18 passages of main digital I/O integrated circuit board connect relay control signal, are used for controlling the work of the relay of verifying integrated circuit board; The 19th passage of main digital I/O integrated circuit board is connected as parity channel with 20 passages, and the 3rd passage to the 20 passages of other digital I/O integrated circuit boards carry out parity channel successively and are connected and are used to verify whether the generation-acquisition function of digital I/O integrated circuit board is correct.
Digitizer integrated circuit board (DITZ) authentication module, as shown in Figure 5, connected and composed successively by digital I/O integrated circuit board control signal, D/A converter module, first amplifier, relay, the output terminal of relay is connected with the digitizer integrated circuit board, and the digitizer plate is connected with controller.Numeral I/O integrated circuit board control signal inputs to the digitizer integrated circuit board after digital-to-analog conversion, signal amplification and relay control, the digitizer integrated circuit board is sent the data of gathering into controller and carried out analyzing and processing by controller.Its principle of work is: it is the rail-to-rail analog-digital chip AD5640 of 14bit that D/A converter module adopts resolution, generating amplitude peak is the analog waveform of 2.5V, amplify 2 times through first amplifier, and write down corresponding simulation amplitude, import as each passage of each digitizer integrated circuit board successively then, and with certain frequency acquisition (Fs=5K/16, wherein 5K is the frequency of operation of AD5640, be Fsclk=5K, 16 code figure places) image data for input AD5640, the digitizer integrated circuit board is gathered the gained data and is deducted record value, calculates deviation, judges whether in allowed band.Digitizer integrated circuit board authentication module can be verified 2 digitizer integrated circuit boards in the chip testing machine.
Waveform generator integrated circuit board (AWG) authentication module, as shown in Figure 6, by digital I/O integrated circuit board control signal, second amplifier, numeral I/O integrated circuit board control signal and analog-to-digital conversion module connect and compose, numeral I/O integrated circuit board control signal connects the input end of waveform generator integrated circuit board and the control end of analog-to-digital conversion module, the output terminal of waveform generator integrated circuit board connects second amplifier input terminal, the output terminal of second amplifier is connected with the data input pin of analog-to-digital conversion module, the data output end of analog-to-digital conversion module is connected with controller by the test machine mainboard, carries out analyzing and processing by controller.The proof procedure of waveform generator integrated circuit board (AWG) is just in time opposite with the checking thinking of digitizer integrated circuit board (DITZ), the proving program of controller can be configured waveform generator integrated circuit board (AWG), make its outputting standard waveform, this analog waveform passes through analog-to-digital conversion module (16 modulus conversion chip AD7980) at digital I/O integrated circuit board control signal (clock then, enable signal, trigger pip etc.) drive down, this analog waveform is sampled, and generation serial code, serial code is by the string and the conversion of test macro inside, form 16 parallel codes, and compare with the initial configuration code, whether error in judgement is in allowed band.Digitizer integrated circuit board authentication module can be verified 2 AWG integrated circuit boards in the chip testing machine.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.

Claims (9)

1. the checking integrated circuit board of an integrated circuit chip testing machine, it is characterized in that: comprise the connector that is connected with the test machine mainboard, this connector is connected with power transfer module, power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module respectively, and the output terminal of power transfer module is connected with power supply integrated circuit board authentication module, digital I/O integrated circuit board authentication module, digitizer integrated circuit board authentication module and waveform generator integrated circuit board authentication module provides working power for it.
2. the checking integrated circuit board of integrated circuit chip testing machine according to claim 1 is characterized in that: described power transfer module is that a power supply that the 12V direct supply is converted to the 5V direct supply is adjusted chip.
3. the checking integrated circuit board of integrated circuit chip testing machine according to claim 1, it is characterized in that: described power supply integrated circuit board authentication module is the combination of parameter measurement unit integrated circuit board proof scheme, direct supply integrated circuit board proof scheme or parameter measurement unit integrated circuit board proof scheme and direct supply integrated circuit board proof scheme.
4. the checking integrated circuit board of integrated circuit chip testing machine according to claim 3, it is characterized in that: described parameter measurement unit integrated circuit board proof scheme comprises relay switch, resistance switch and resistance, and three groups of passages on the parameter measurement unit integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch;
5. the checking integrated circuit board of integrated circuit chip testing machine according to claim 3, it is characterized in that: described direct supply integrated circuit board proof scheme comprises relay switch, resistance switch and resistance, and three groups of passages on the direct supply integrated circuit board connect three relay switches respectively and are connected with the resistance of different resistances by the resistance switch.
6. the checking integrated circuit board of integrated circuit chip testing machine according to claim 1, it is characterized in that: described digital I/O integrated circuit board authentication module comprises main digital I/O integrated circuit board passage, second the data-signal of this main digital I/O integrated circuit board to four-way connection digitizer integrated circuit board authentication module and waveform generator integrated circuit board, the the 5th to the 18 passage connects relay control signal, and the 19 is connected with the 20 passage.
7. the checking integrated circuit board of integrated circuit chip testing machine according to claim 6, it is characterized in that: the first passage of the digital I/O integrated circuit board of described master is connected with the first passage of other digital I/O integrated circuit boards, and third channel to the 20 passages of other digital I/O integrated circuit boards carry out parity channel successively and are connected.
8. the checking integrated circuit board of integrated circuit chip testing machine according to claim 1, it is characterized in that: described digitizer integrated circuit board authentication module, connect and compose successively by digital I/O integrated circuit board control signal, D/A converter module, first amplifier, relay, the output terminal of relay is connected with the digitizer integrated circuit board, and the digitizer plate is connected with controller.
9. the checking integrated circuit board of integrated circuit chip testing machine according to claim 1, it is characterized in that: described waveform generator integrated circuit board authentication module is by digital I/O integrated circuit board control signal, second amplifier, numeral I/O integrated circuit board control signal and analog-to-digital conversion module connect and compose, numeral I/O integrated circuit board control signal connects the input end of waveform generator integrated circuit board and the control end of analog-to-digital conversion module, the output terminal of waveform generator integrated circuit board connects second amplifier input terminal, the output terminal of second amplifier is connected with the data input pin of analog-to-digital conversion module, and the data output end of analog-to-digital conversion module is connected with controller by the test machine mainboard.
CN2010202335897U 2010-06-23 2010-06-23 Verification board card of integrated circuit chip tester Expired - Lifetime CN201773170U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104820457A (en) * 2015-04-30 2015-08-05 北京荣信慧科科技有限公司 Voltage adaptive multi-channel digital input board card
CN104898004A (en) * 2015-06-23 2015-09-09 国家电网公司 Series compensation analog quantity channel precision measuring device and method
CN105425140A (en) * 2015-12-17 2016-03-23 埃泰克汽车电子(芜湖)有限公司 Testing device and testing method of PCB half-finished product
CN109283450A (en) * 2018-09-11 2019-01-29 长鑫存储技术有限公司 A kind of control method of test machine, device, medium and electronic equipment
CN110675525A (en) * 2019-10-28 2020-01-10 卧龙电气南阳防爆集团股份有限公司 Intelligent motor data recorder
CN110907798A (en) * 2019-10-23 2020-03-24 盛科网络(苏州)有限公司 Test verification board, test device and method for exchange chip of integrated SoC (System on chip)
CN111624476A (en) * 2020-07-30 2020-09-04 四川金网通电子科技有限公司 Automatic testing method for fingerprint lock board with OLED screen
CN112611960A (en) * 2020-12-31 2021-04-06 福建福清核电有限公司 UPS circuit board card detection device
CN113030769A (en) * 2021-03-10 2021-06-25 广东电网有限责任公司电力调度控制中心 Wisdom power integrated circuit board with monitoring function
CN114152906A (en) * 2021-12-01 2022-03-08 上海御渡半导体科技有限公司 Measurement method for verifying DC chip precision of ATE (automatic test equipment) based on single board specification

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104820457A (en) * 2015-04-30 2015-08-05 北京荣信慧科科技有限公司 Voltage adaptive multi-channel digital input board card
CN104898004A (en) * 2015-06-23 2015-09-09 国家电网公司 Series compensation analog quantity channel precision measuring device and method
CN105425140A (en) * 2015-12-17 2016-03-23 埃泰克汽车电子(芜湖)有限公司 Testing device and testing method of PCB half-finished product
CN109283450A (en) * 2018-09-11 2019-01-29 长鑫存储技术有限公司 A kind of control method of test machine, device, medium and electronic equipment
CN109283450B (en) * 2018-09-11 2024-01-23 长鑫存储技术有限公司 Control method and device of testing machine, medium and electronic equipment
CN110907798A (en) * 2019-10-23 2020-03-24 盛科网络(苏州)有限公司 Test verification board, test device and method for exchange chip of integrated SoC (System on chip)
CN110675525A (en) * 2019-10-28 2020-01-10 卧龙电气南阳防爆集团股份有限公司 Intelligent motor data recorder
CN111624476A (en) * 2020-07-30 2020-09-04 四川金网通电子科技有限公司 Automatic testing method for fingerprint lock board with OLED screen
CN112611960A (en) * 2020-12-31 2021-04-06 福建福清核电有限公司 UPS circuit board card detection device
CN113030769A (en) * 2021-03-10 2021-06-25 广东电网有限责任公司电力调度控制中心 Wisdom power integrated circuit board with monitoring function
CN113030769B (en) * 2021-03-10 2024-04-19 广东电网有限责任公司电力调度控制中心 Intelligent power board card with monitoring function
CN114152906A (en) * 2021-12-01 2022-03-08 上海御渡半导体科技有限公司 Measurement method for verifying DC chip precision of ATE (automatic test equipment) based on single board specification

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C56 Change in the name or address of the patentee

Owner name: TIANJIN JINNENG YIANTAI TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: TIANJIN EMPIRETEST CORPORATION

CP03 Change of name, title or address

Address after: 300384 Huayuan Industrial Zone Tianjin City Road No. 10

Patentee after: Tianjin Jinneng Yiantai Technology Co., Ltd.

Address before: 300384 Tianjin City, Nankai District Huayuan Industrial Park Haitai green industry base building M8 3 door 3

Patentee before: Tianjin Empiretest Corporation

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Granted publication date: 20110323

CX01 Expiry of patent term