D Flip-Flop Logic Circuit Example

D Flip-Flop with Set/Reset

The D flip-flop is the fundamental storage element of synchronous digital circuits. On each rising clock edge, Q captures the D input. Asynchronous SET and RESET inputs override the clock to force Q to 1 or 0 immediately.

種類 論理ゲート図規格 IEEE Std 91/91a-1991エンジン schematex-logic更新日 2026/5/27

シナリオ

A computer architecture student studying register files needs a clear schematic of the D flip-flop cell.

この図に含まれるもの

図の背後にある意思決定を読み解く。

01D input sampled only on clock edge

eliminates the setup/hold race condition present in SR latches.

Asynchronous SET/RESET override clock for initialization at power-up.

NOT-Q output explicitly declared to drive both true and complement busses.

Parallel arrays of DFFs form N-bit registers; adding enable (EN AND D) creates gated registers.

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