Test Data Compression and Decompression Based on State Reversal Run Length Codes
Huaguo Liang · Jisuanji gongcheng · 2007
This paper proposes a new class of variable-to-variable-length compression codes called as state’s reversal run length codes(SRRL).Lengths of runs of 0s and 1s are directly encoded to compress a precomputed test set without limitation on runs of 0s as proposed.At the same time,it rejects an additional bit necessary for both adjacent run sequences in alternation and run length codes(ARL).Its decompression architecture is a simple finite state machine(FSM)and doesn’t require a cyclical scan register(CSR),whose length is equal to the length of the scan chain.Experimental results show that SRRL codes can efficiently compress test data.