Main goal of this project wass to make a logic IC tester that allows adding new tests and support for new ICs easily.
- fully programmable (client-side, in python)
- designed for 5 V TTL logic, but other 5 V logic families can be tested too
- current limiting to 200mA
- current and voltage measurement on VCC and GND pins
- 1.7 μs (<=16-pin ICs) and 2.15 μs (>16-pin ICs) per single logic test cycle
- built-in tests for 4164 and 41256 memories (MARCH C- test in read+write, read/write and page access modes)
- built-in tests for 74121, 74122 and 74123 univibrators
- small and USB powered
Project is split into three parts:
- controller - software for controlling the tester. Look there for command line usage.
- firmware - IC tester firmware
- hardware - KiCad project files (see also this pdf for schematic)