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D flip-flop symbol. The D flip-flop is widely used, and known as a "data" flip-flop. The D flip-flop captures the value of the D-input at a definite portion of the clock cycle (such as the rising edge of the clock). That captured value becomes the Q output. At other times, the output Q does not change.
In digital computing, the Muller C-element (C-gate, hysteresis flip-flop, coincident flip-flop, or two-hand safety circuit) is a small binary logic circuit widely used in design of asynchronous circuits and systems. It outputs 0 when all inputs are 0, it outputs 1 when all inputs are 1, and it retains its output state otherwise.
Registers (usually implemented as D flip-flops) synchronize the circuit's operation to the edges of the clock signal, and are the only elements in the circuit that have memory properties. Combinational logic performs all the logical functions in the circuit and it typically consists of logic gates.
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Unified series of flip-flop symbols; SR Asynchronous latch. Inverted SR Asynchronous latch. SR latch with enable. D-type transparent latch. Differential D-type Latch.
The following other wikis use this file: Usage on de.wikipedia.org Flipflop; Usage on en.wiktionary.org level-triggered; Usage on fr.wikibooks.org
changed to nor, upgraded symbols: 22:36, 17 June 2006: 350 × 200 (21 KB) Jjbeard ... Digital Electronics/Lecture Flip-flops; Usage on fr.wikibooks.org
Gate-level Diagram of a NAND-gate SR Flip-flop: Date: 17 June 2006: Source: Own Drawing in Inkscape 0.43: Author: jjbeard: Permission (Reusing this file) PD: Other versions: Unified series of flip-flop symbols