{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

stuck_at_fault_6per_page

# stuck_at_fault_6per_page - Stuck-At Fault A Fault Model for...

This preview shows pages 1–4. Sign up to view the full content.

Stuck-At Fault: A Fault Model for the next Millennium? Janak H. Patel Department of Electrical and Computer Engineering University of Illinois at Urbana-Champaign © 2005 Janak H. Patel 2 Stuck-At Fault “I tell you, I get no respect!” -Rodney Dangerfield, Comedian “The news of my death are highly exaggerated” -Mark Twain, Author 3 Stuck-At Fault a Defect Model? You can call it - Abstract Logical Boolean Functional Symbolic or Behavioral …... Fault Model But don’t call it a Defect Model! 4 Stuck-At Fault as a Logic Fault z Stuck-at Fault is a Functional Fault on a Boolean (Logic) Function Implementation z It is not a Physical Defect Model Stuck-at 1 does not mean line is shorted to V DD Stuck-at 0 does not mean line is grounded! z It is an abstract fault model A logic stuck-at 1 means when the line is applied a logic 0, it produces a logical error A logic error means 0 becomes 1 or vice versa 5 Activates the fault s-a-0 on line G by applying a logic value 1 in line G B 1 G s - a - 0 F 1 C H E x D 0 A Fault Excitation 1 0 Y 6 Y B A F 0 C H E X D 0 0 G 1/0 1/0 0 Propagate Error To Primary Output Y ERROR Test Vector A,B,C = 1,0,0 detects fault G s-a-0 1 ERROR

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document