GSAS Digital IC Tester

The GSAS Digital IC Tester is a handheld, microcontroller-driven device for out-of-circuit testing of digital integrated circuits. Insert any 14 to 40-pin DIP IC into the ZIF socket, and the tester identifies the device, runs its truth table, and displays pass/fail results on the built-in LCD, no reference IC or external equipment needed.

The device supports 100+ IC families including the full 74 series (TTL and CMOS), common microcontrollers, peripheral ICs (8255, 8253, 8259), and RAM modules. An advanced search function can identify unknown ICs by testing them against the internal library, useful for legacy board repair where component markings are unclear.

Key Features

Feature	Detail
Socket	40-pin ZIF, accepts 14–40 pin DIP
IC Library	100+ families (74xx, MCU, RAM, peripherals)
Testing Method	Truth table comparison, out-of-circuit
IC Identification	Auto-search for unknown components
Display	16x2 LCD with pass/fail results
Keypad	13-key for part number entry and commands
Power	USB, 9V DC adapter, or optional battery
Protection	Reverse polarity protection
Test Modes	Continuous loop, power pin swap, functionality
Self-Diagnostics	Built-in self-test capability

Applications

• Board repair: quickly verify suspect ICs before desoldering
• Incoming inspection: test ICs from new or unknown suppliers
• Education: hands-on IC testing in microprocessor labs
• Legacy maintenance: identify unmarked or remarked ICs on old boards
• Quality control: batch-test ICs before assembly

Products are available for immediate purchase through the GSAS online store (“Buy on Store”) or through direct engagement for institutional and volume orders (“Request Volume Pricing”).