Setup time and Hold time
• For proper operation of a flip-flop, flip-flop input need to be constant during setup time and hold time.
• Setup time is the minimum amount of time to prepare an input before a clock event.
• Hold time is the minimum amount of time to determine a value of an input after a clock event.
The value of a input is constant during setup time and hold time.
1. Normal Operation
201220874 신종환 201020103 여영근 201020124 이기안
Flip-flop inputs are floating in setup time. Setup time violation is occurred.
2. Setup time violation
201220874 신종환 201020103 여영근 201020124 이기안