Buffer IC | Logic Buffers | Bus Buffers | RS
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    Buffers

    Buffers, also known as logic buffers are semiconductor IC (integrated circuit) that are constructed of two inverters that are back to back providing a basic logic gate that passes its input, unchanged, to its output. Buffer ICs are also available in both inverting and non-inverting.

    How do buffers work?

    The primary purpose of a buffer IC is to regenerate the input, primarily using a strong low and high and also to regenerate weak output from non-restoring logic. They are also used to increase the propagation delay of circuits by driving the large capacitive load.

    Buffers also feature transceivers and drivers that are used to regenerate the input utilising a strong high and a strong low. Buffer gates serve as an amplifier of a weak signal source is cant source a lot of current whilst increasing the current capacity of the signal so as to be able to drive a load.

    Types of buffers

    Buffers are available with a variety of configurations such as variations on the number of channels available, supporting a variety of different inputs and outputs such as CMOS, DTL (Diode-Transistor Logic) and single-ended and providing support for a range of logic families such as HC, HEF and TTL. Buffers are also available in combination with a converter.

    Another type of buffer that is available is Bus buffers. A bus buffer is an IC that connects multiple data sources to a single bus. The open drivers can be selected to be either a logical high, a logical low, or high impedance which allows other buffers to drive the bus. Like buffers, variations of bus buffers are available such as support for different logic families, inputs, outputs as well as the number of pins configured on the IC.

    Bus buffers are used in applications such as TV and video equipment, industrial controls and portable equipment.

    Application

    Buffers have a wide range of  application use such as;

    • Automatic test equipment
    • Board test systems
    • Instrumentation and characterization equipment
    • Semiconductor test systems

    469 Products showing for Buffers

    DiodesZetex
    Schmitt Trigger Input
    AHCT
    Schmitt Trigger Buffer
    -
    4
    Schmitt Trigger
    3 State
    Non-Inverting
    Surface Mount
    SOIC
    14
    -8mA
    8mA
    9.5 ns @ 50 pF
    8.74 x 3.99 x 1.48mm
    5.5 V
    DiodesZetex
    Schmitt Trigger Input
    AHCT
    Schmitt Trigger Buffer
    -
    4
    Schmitt Trigger
    3 State
    Non-Inverting
    Surface Mount
    SOIC
    14
    -8mA
    8mA
    9.5 ns @ 50 pF
    8.74 x 3.99 x 1.48mm
    5.5 V
    onsemi
    -
    74LCX
    Buffer, Line Driver
    -
    8
    Single Ended
    3 State
    Non-Inverting
    Surface Mount
    DQFN
    20
    -24mA
    24mA
    7.5 ns @ 50 pF
    4.5 x 2.5 x 0.75mm
    3.6 V
    Texas Instruments
    Schmitt Trigger Input
    LVC
    Schmitt Trigger Buffer
    -
    1
    Single Ended
    -
    Non-Inverting
    Surface Mount
    SOT-23
    5
    -32mA
    32mA
    5 ns @ 5 V
    2.9 x 1.6 x 1.15mm
    5.5 V
    Toshiba
    Schmitt Trigger Input
    -
    -
    -
    1
    CMOS, Schmitt Trigger
    CMOS
    Non-Inverting
    Surface Mount
    SOT-553
    5
    -24mA
    32mA
    17.5 ns @ 15 pF
    1.6 x 1.2 x 0.55mm
    5.5 V
    Toshiba
    Schmitt Trigger Input
    -
    -
    -
    1
    CMOS, Schmitt Trigger
    CMOS
    Non-Inverting
    Surface Mount
    SOT-553
    5
    -24mA
    32mA
    17.5 ns @ 15 pF
    1.6 x 1.2 x 0.55mm
    5.5 V
    Toshiba
    Schmitt Trigger Input
    -
    -
    -
    1
    CMOS, Schmitt Trigger
    CMOS
    Non-Inverting
    Surface Mount
    SOT-553
    5
    -24mA
    32mA
    17.5 ns @ 15 pF
    1.6 x 1.2 x 0.55mm
    5.5 V
    onsemi
    -
    LCX
    Buffer
    -
    8
    TTL
    3 State
    Non-Inverting
    Surface Mount
    TSSOP
    20
    -24mA
    24mA
    7.5 ns @ 50 pF
    6.6 x 4.5 x 1.05mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Non-Inverting
    Surface Mount
    TSSOP
    20
    -8mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Non-Inverting
    Surface Mount
    TSSOP
    20
    -8mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Non-Inverting
    Surface Mount
    TSSOP
    20
    -8mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    6
    -
    CMOS, Open Drain
    Non-Inverting
    Surface Mount
    TSSOP
    14
    -24mA
    32mA
    -
    5 x 4.4 x 1mm
    5.5 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Inverting
    Surface Mount
    TSSOP
    20
    -24mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Inverting
    Surface Mount
    TSSOP
    20
    -24mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    Toshiba
    -
    74LCX
    -
    -
    8
    CMOS
    -
    Inverting
    Surface Mount
    TSSOP
    20
    -24mA
    24mA
    25 ns @ 50 pF
    6.5 x 4.4 x 1mm
    3.6 V
    DiodesZetex
    Schmitt Trigger Input
    AHCT
    Schmitt Trigger Buffer
    -
    4
    Schmitt Trigger
    3 State
    Non-Inverting
    Surface Mount
    SOIC
    14
    -8mA
    8mA
    9.5 ns @ 50 pF
    8.74 x 3.99 x 1.48mm
    5.5 V
    Toshiba
    -
    74LCX
    -
    -
    6
    -
    CMOS, Open Drain
    Non-Inverting
    Surface Mount
    TSSOP
    14
    -24mA
    32mA
    -
    5 x 4.4 x 1mm
    5.5 V
    Toshiba
    -
    74VHCT
    -
    -
    -
    -
    -
    -
    Surface Mount
    TSSOP
    14
    -8mA
    8mA
    9.5 ns @ 50 pF
    5 x 4.4 x 1mm
    5.5 V
    Toshiba
    -
    -
    Non-Inverting
    -
    1
    CMOS
    CMOS
    Non-Inverting
    Surface Mount
    SOT-25
    5
    -32mA
    8mA
    13.5 ns @ 50 pF
    2.9 x 1.6 x 1.05mm
    5.5 V
    Toshiba
    -
    -
    Non-Inverting
    -
    1
    CMOS
    CMOS
    Non-Inverting
    Surface Mount
    SOT-25
    5
    -32mA
    8mA
    13.5 ns @ 50 pF
    2.9 x 1.6 x 1.05mm
    5.5 V
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