Fault detection in a tristate system environment

EMBEDDED COMPUTERS COMMONLY RELY ON MULTIPLE-BOARD SYSTEMS, CALLED TRISTATE SYSTEM ENVIRONMENTS. THESE ENVIRONMENTS CONSIST OF AN INTERCONNECT AND DRIVERS OR RECEIVERS WITH TRISTATE FEATURES AND BOUNDARY SCAN CAPABILITIES. THE AUTHORS PRESENT A COMPREHENSIVE FAULT MODEL THAT PROVIDES 100 PERCENT FAULT COVERAGE AND MINIMIZES TEST SET SIZE.