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Flip-Flop D Flip-Flop
Lecture Overview D Flip-Flops Logic Synchronization Types of D Flip Flops Sample Flip-Flop Applications
D Flip-Flop CLK Q n D01D01 D Q Q CLK D Q Positive Edge Triggered
Logic Synchronizing Data enters here at different times Data goes out at the same time on a clock pulse Example: Parallel Port
Types of D Flip-Flops D Q Q Positive Edge TriggeredNegative Edge Triggered D Q Q
D Q Q Negative Level Triggered D Q Q Positive Level Triggered Types of D Flip-Flops
Asynchronous Inputs D Flip-Flop w/ Preset D Q Q P-SET D Flip-Flop w/ Clear D Q Q CLR
D Flip-Flop w/ Preset & Clear D Q Q P-SET CLR Asynchronous Inputs
D Flip-Flop w/ Preset & Clear Q n+1 1 (preset) 0 (clear) ? (illegal) 0 1 CLK X DXXX01DXXX01 CLR P-SET D Q Q P-SET CLR
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