Synthesizing Fast, Online-Testable Control Units

  • Authors:
  • Sybille Hellebrand;Hans-Joachim Wunderlich;Andre Hertwig

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Design & Test
  • Year:
  • 1998

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Abstract

A target structure for implementing fast online testable control units for data-dominated applications is presented. In many cases, the proposed controller structure leads to a performance improvement of more than 30% for a standard benchmark set whereas the area overhead is less than 15% compared with conventional on-line testable finite state machines (FSM). The proposed approach is compatible with the state-of-the-art methods for FSM decomposition, state encoding and logic synthesis.