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  2. Logic level - Wikipedia

    en.wikipedia.org/wiki/Logic_level

    A level shifter connects one digital circuit that uses one logic level to another digital circuit that uses another logic level. Often two level shifters are used, one at each system: A line driver converts from internal logic levels to standard interface line levels; a line receiver converts from interface levels to internal voltage levels.

  3. Level shifter - Wikipedia

    en.wikipedia.org/wiki/Level_shifter

    In digital electronics, a level shifter, also called level converter or logic level shifter, or voltage level translator, is a circuit used to translate signals from one logic level or voltage domain to another, allowing compatibility between integrated circuits with different voltage requirements, such as TTL and CMOS.

  4. Gajski–Kuhn chart - Wikipedia

    en.wikipedia.org/wiki/Gajski–Kuhn_chart

    The algorithmic level is defined by the definition of concurrent algorithms (signals, loops, variables, assignments). In the structural domain, blocks like ALUs are in use. The register-transfer level (RTL) is a more detailed abstraction level on which the behaviour between communicating registers and logic units is described.

  5. Logic gate - Wikipedia

    en.wikipedia.org/wiki/Logic_gate

    A logic circuit diagram for a 4-bit carry lookahead binary adder design using only the AND, OR, and XOR logic gates.. A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output.

  6. Register-transfer level - Wikipedia

    en.wikipedia.org/wiki/Register-transfer_level

    In this circuit, the combinational logic consists of the inverter. When designing digital integrated circuits with a hardware description language (HDL), the designs are usually engineered at a higher level of abstraction than transistor level (logic families) or logic gate level. In HDLs the designer declares the registers (which roughly ...

  7. Logic optimization - Wikipedia

    en.wikipedia.org/wiki/Logic_optimization

    Graphical methods represent the required logical function by a diagram representing the logic variables and value of the function. By manipulating or inspecting a diagram, much tedious calculation may be eliminated. Graphical minimization methods for two-level logic include: Euler diagram (aka Eulerian circle) (1768) by Leonhard P. Euler (1707 ...

  8. Computer architecture - Wikipedia

    en.wikipedia.org/wiki/Computer_architecture

    Logic implementation designs the circuits required at a logic-gate level. Circuit implementation does transistor -level designs of basic elements (e.g., gates, multiplexers , latches ) as well as of some larger blocks ( ALUs , caches etc.) that may be implemented at the logic-gate level, or even at the physical level if the design calls for it.

  9. AND-OR-invert - Wikipedia

    en.wikipedia.org/wiki/AND-OR-Invert

    It is possible to create multi-level compound gates, which combine the logic of AND-OR-Invert gates with OR-AND-invert gates. [7] An example is shown below. The parts implementing the same logic have been put in boxes with the same color. compound logic gate for (CD + B) A, plus CMOS version.