PPT Slide

3 – Combinational Logic Implementation

© 1996 Gaetano Borriello

Static hazards

• Due to a literal and its complement momentarily taking on the same value

  • through different paths with different delays and reconverging

• May cause an output that should have stayed at the same value to momentarily take on the wrong value

• Example: multiplexer

26

F

A

B

S

S'

F

hazard

static-0 hazard

static-1 hazard

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