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  2. Flip-flop (electronics) - Wikipedia

    en.wikipedia.org/wiki/Flip-flop_(electronics)

    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.

  3. Digital timing diagram - Wikipedia

    en.wikipedia.org/wiki/Digital_timing_diagram

    A timing diagram can contain many rows, usually one of them being the clock. It is a tool commonly used in digital electronics, hardware debugging, and digital communications. Besides providing an overall description of the timing relationships, the digital timing diagram can help find and diagnose digital logic hazards.

  4. File:Gated SR flip-flop Symbol.svg - Wikipedia

    en.wikipedia.org/wiki/File:Gated_SR_flip-flop...

    Original file (SVG file, nominally 100 × 100 pixels, file size: 7 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  5. Clock gating - Wikipedia

    en.wikipedia.org/wiki/Clock_gating

    D : Q; where Dff is the D-input of a D-type flip-flop, D is the module information input (without CE input), and Q is the D-type flip-flop output. This type of clock gating is race-condition-free and is preferred for FPGA designs. For FPGAs, every D-type flip-flop has an additional CE input signal.

  6. Boolean circuit - Wikipedia

    en.wikipedia.org/wiki/Boolean_circuit

    Logic circuits are physical representation of simple logic operations, AND, OR and NOT (and their combinations, such as non-sequential flip-flops or circuit networks), that form a mathematical structure known as Boolean algebra. They are complete in sense that they can perform any deterministic algorithm.

  7. Hardware register - Wikipedia

    en.wikipedia.org/wiki/Hardware_register

    In digital electronics, especially computing, hardware registers are circuits typically composed of flip-flops, often with many characteristics similar to memory, such as: [citation needed] The ability to read or write multiple bits at a time, and; Using an address to select a particular register in a manner similar to a memory address.

  8. Logic block - Wikipedia

    en.wikipedia.org/wiki/Logic_block

    In general, a logic block consists of a few logic cells (each cell is called an adaptive logic module (ALM), a logic element (LE), slice, etc.). A typical cell consists of a 4-input LUT, a full adder (FA), and a D-type flip-flop (DFF), as shown to the right. The LUTs are in this figure split into two 3-input LUTs.

  9. File:SR (Clocked) Flip-flop Diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:SR_(Clocked)_Flip...

    Download QR code; In other projects ... Gate-level Diagram of a Clocked NAND-gate SR Flip-flop: Date: 17 June 2006 ... The following 2 pages use this file: Flip-flop ...