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  2. List of 7400-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_7400-series...

    triple 3-input NOR gate 14 SN74LS27: 74x28 4 quad 2-input NOR gate driver N O =30 14 SN74LS28: 74x29 2 dual 4-input NOR gate 14 US7429A: 74x30 1 single 8-input NAND gate 14 SN74LS30: 74x31 6 hex delay elements (two 6ns, two 23-32ns, two 45-48ns) 16 SN74LS31: 74x32 4 quad 2-input OR gate: 14 SN74LS32: 74x33 4 quad 2-input NOR gate open-collector ...

  3. OR gate - Wikipedia

    en.wikipedia.org/wiki/OR_gate

    The standard 4000 series CMOS IC is the 4071, which includes four independent two-input OR gates. The TTL device is the 7432. The TTL device is the 7432. There are many offshoots of the original 7432 OR gate, all having the same pinout but different internal architecture, allowing them to operate in different voltage ranges and/or at higher speeds.

  4. List of 4000-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_4000-series...

    The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...

  5. NOR logic - Wikipedia

    en.wikipedia.org/wiki/NOR_logic

    This is made by joining the inputs of a NOR gate. As a NOR gate is equivalent to an OR gate leading to NOT gate, joining the inputs makes the output of the "OR" part of the NOR gate the same as the input, eliminating it from consideration and leaving only the NOT part.

  6. Integrated injection logic - Wikipedia

    en.wikipedia.org/wiki/Integrated_injection_logic

    I2L NOR gate with two inputs, two outputs, and one voltage input for the current injector transistor. The I2L inverter gate is constructed with a PNP common base current source transistor and an NPN common emitter open collector inverter transistor (i.e. they are connected to the GND). On a wafer, these two transistors are merged.

  7. 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.

  8. Integrated circuit - Wikipedia

    en.wikipedia.org/wiki/Integrated_circuit

    A microscope image of an integrated circuit die used to control LCDs.The pinouts are the dark circles surrounding the integrated circuit.. An integrated circuit (IC), also known as a microchip or simply chip, is a set of electronic circuits, consisting of various electronic components (such as transistors, resistors, and capacitors) and their interconnections. [1]

  9. XNOR gate - Wikipedia

    en.wikipedia.org/wiki/XNOR_gate

    XNOR gates are represented in most TTL and CMOS IC families. The standard 4000 series CMOS IC is the 4077, and the TTL IC is the 74266 (although an open-collector implementation). Both include four independent, two-input, XNOR gates. The (now obsolete) 74S135 implemented four two-input XOR/XNOR gates or two three-input XNOR gates.