Hackaday

test pattern

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...
EDN

Finding fault with traditional test pattern types

It is well established that transition and stuck-at fault models detect the vast majority of production defects. The transition fault model focuses on detecting timing-related defects. However, the ...
Hackaday

Pocket-sized Test Pattern Generator Helps Check Those CRTs

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...
EDN

Design for test boot camp, part 3: Advanced fault models and cell-aware test

The IDDQ test relies on measuring the supply current (I DD) of an IC’s quiescent state, when the circuit isn’t switching and inputs are held at static values. Test patterns are used to place the ...
Electronic Design

What’s The Difference Between Scan ATPG And IJTAG Pattern Retargeting?

Both scan automated test pattern generation (ATPG) patterns and IJTAG patterns 1,2,3 are created for a piece of logic that is part of a much larger design. For both, the patterns are independent from ...