Patent ID: 7823034

Claim:
An electronic device comprising: a circuit comprising a combinational decompressor, a combinational compressor, a plurality of scan chains coupled between the combinational decompressor and the combinational compressor, each scan chain comprising a plurality of scan cells; wherein the circuit further comprises logic to implement a plurality of features of functionality to be performed by the electronic device, the logic comprising a plurality of flip flops, and each scan cell comprising a multiplexer coupled to a flip flop in the plurality of flip flops; and a pipeline consisting of at least one additional storage element coupled between one of: an input external interface of the electronic device and the combinational decompressor, and an output external interface of the electronic device and the combinational compressor, each additional storage element being configured to one of hold state, reset, and set during a capture cycle based on a scan enable signal, and each additional storage element being configured as a non-scan cell.