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On Chip Multiplex Testing Using Existing Latches

IP.com Disclosure Number: IPCOM000050573D
Original Publication Date: 1982-Nov-01
Included in the Prior Art Database: 2005-Feb-10

Publishing Venue

IBM

Related People

Authors:
Bucelot, TJ Chiu, G [+details]

Abstract

Latches normally present for other purposes on an integrated circuit chip are also useful for diagnostic testing by means of multiplexing hardware in technologies where adding multiplexers is advantageous with respect to adding latches.