Scannable system with addressable scan reset groups

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3072723, G01R 31318

Patent

active

052710190

ABSTRACT:
A set of scan latches is partitioned into unique groups where each group is addressable by a group initializing circuit. The group initializing circuit initializes all the latches of an addressed group to a predefined state thereby quickly loading a test vector into the addressed group of scan latches while leaving other latches undisturbed.

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Ando, H., "Testing VLSI with Random Access Scan", The Proceedings of COMPCON Spring '80, Feb. 1980, pp. 50-52.
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Author unknown, "Shift Register Latch for Delay Testing", IBM Tech. Discl. Bull., vol. 32, No. 4A, Sep. 1989, pp. 231-232.

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