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