BUILT-IN AND EXTERNAL TEST OF KNOWN GOOD DIE FOR MIXED SIGNAL MODULES

6/23/98


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Table of Contents

BUILT-IN AND EXTERNAL TEST OF KNOWN GOOD DIE FOR MIXED SIGNAL MODULES

Michael L. Bushnell -- Rutgers University

OBJECTIVES AND MAIN TECHNICAL APPROACH

MAJOR TECHNICAL ACCOMPLISHMENTS SINCE LAST REVIEW

TECHNOLOGY IMPACT / TRANSITION PLAN

PARTIAL-SCAN DELAY-FAULT BUILT-IN SELF-TEST OF LARGE CIRCUITS

OR HOW TO DO MORE WITH LESS

OBJECTIVE

APPROACH

APPROACH

WHAT IS PATH DELAY TESTING?

CYCLE CUTTING / PARITY FLIPPING TO ELIMINATE HAZARDS

FULL SCAN AND PARTIAL-SCAN FLIP-FLOPS

SEQUENTIAL CKT. HARDWARE CONFIGURATION

c17 --> WEIGHTED SIGNED GRAPH

LOGIC GATES IN 1989 ISCAS CIRCUITS

HARDWARE CHIP AREA OVERHEAD COMPONENTS

TOTAL HARDWARE CHIP AREA OVERHEAD

ABSOLUTE CHIP AREA OVERHEAD COMPONENTS

CPU TIMES ON 150 MHERTZ SPARC STATION 20

TRANSITION DELAY FAULT COVERAGE

PATH DELAY FAULT COVERAGES ON ISCAS 89 CIRCUITS

TESTABILITY INSERTION

ADVANTAGES

FUTURE WORK

Author: CAIP Center

Email: bushnell@caip.rutgers.edu

Home Page: http://www-caip.rutgers.edu/~bushnell/rutgers.html