march-test

Open-source MBIST, BIRA and BISR generator for OpenRAM memories, taken through RTL-to-GDS on sky130 with LibreLane

Read HBM failures like an inspection image: memory test patterns on a virtual HBM and real GPUs (CUDA), measured fault coverage, fail-signature analysis and a 3D viewer.

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32x8 SRAM with an MBIST controller running MATS+ and March C- against six runtime-injected fault models - including a coupling fault that MATS+ misses and March C- catches.