Multiplexer Based Digital Integrated Circuit Tester

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Provided by: International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE)
Topic: Hardware
Format: PDF
The basic function of the digital IC tester is to test digital IC for correct logical functioning as described in the truth table. It can test digital ICs having 14 pins. This model applies the necessary signals to the inputs of the IC, monitoring the outputs at each stage and comparing them with the outputs in the truth table. Any discrepancy in the functioning of the IC results in a fail indication through LEDs. The testing procedure is accomplished with the help of keys present on the main board. At this stage the authors had completed to test the most common used digital IC's used in their laboratories, mainly belonging to the 74TTL series.
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