Overview

• Last lecture

  • Finished R-S latches
  • Master-slave & D flip-flops
  • Latches versus flip-flops
  • System clocking and timing

• Today

  • Discussion: Why are we studying flip-flops?
  • Sequential-logic timing
    • D flip-flop
    • Clock skew
  • Other flip-flops
  • Metastability and synchronization
  • Registers

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