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    Logic Gates

    Logic gates are physical components in a circuit that control the flow of a signal by implementing a Boolean function, processing a signal to binary information. Logic gates are foundational in logic circuits, or in any electronic circuit process that involves digital to analogue signal conversion, or the flow of digital information. Logic gates are primarily implemented using diodes or transistors as electrical switches, but can also be constructed using electromagnetic relays (relay logic), vacuum tubes, optics, molecules, fluidic logic, pneumatic logic, or even mechanical elements.

    Types of Logic Gate

    Logic gates have distinct logic functions. The most common of these are known as basic gates. These include:

    • AND Gates - these gates have multiple inputs that are processed into a single signal output depending on the positive combination of high signals in the inputs. It will only produce a high signal if both inputs register as high (e.g. two ones will result in a one, otherwise, it will have an output of zero).
    • OR Gates - similar to the AND gate, an OR gate has multiple inputs and a single output. In this case, it does not require a positive combination of one signals but will implement logical produce a high signal if one or all of the inputs are high. (e.g a one and a zero, or two ones, may produce a high signal, but two zeros will produce zeros.)
    • NOT Gates -also known as inverters, the NOT gates will process the signal as the opposite of its value (eg. a one will invert as a zero, and a zero will invert as a 1.)

    There are also combined function logic gates that modify typical functions with an inversion.

    • NAND Gate - unlike an AND gate, NAND will process two high signals as a zero and all other combinations as a one.
    • NOR Gate - unlike an OR gate, this will produce a one if the inputs register a zero signal in any combination, rather than a high signal.
    • Buffer Gate - a buffer logic gate behaves in the opposite manner of a NOT gate, in that it passes a signal unchanged from input to output.

    Applications

    As CPUs employ binary logic, logic gates are essentially the building blocks of computers. As such, they can be found in many kinds of digital circuits such as:

    • Encoders & Decoders
    • Multiplexers & Demultiplexers
    • Full and half adders

    1018 สินค้าที่แสดงสำหรับ Logic Gates

    • RS Stock No. 145-0402
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SN74HCT00N
    Each (In a Tube of 25)
    THB14.792
    Texas Instruments
    -
    NAND
    Through Hole
    4
    2
    PDIP
    14
    HCT
    -
    5.5 V
    -4mA
    18 ns @ 5.5 V, 20 ns @ 4.5 V
    4.5 V
    4mA
    • RS Stock No. 307-496P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SN74LS02N
    Each (Supplied in a Tube)
    THB25.96
    Texas Instruments
    -
    NOR
    Through Hole
    4
    2
    PDIP
    14
    LS
    -
    5.25 V
    -0.4mA
    15 ns @ 5 V
    4.75 V
    8mA
    • RS Stock No. 333-2811
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SN74HC10N
    Each (In a Tube of 25)
    THB14.375
    Texas Instruments
    -
    NAND
    Through Hole
    3
    3
    PDIP
    14
    HC
    -
    6 V
    -5.2mA
    16 ns @ 6 V, 19 ns @ 4.5 V, 95 ns @ 2 V
    2 V
    5.2mA
    • RS Stock No. 518-8616P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC14001BDG
    Each (Supplied in a Tube)
    THB19.57
    onsemi
    -
    NOR
    Surface Mount
    4
    2
    SOIC
    14
    4000
    -
    18 V
    -4.2mA
    100 ns @ 10 V, 250 ns @ 5 V, 80 ns @ 15 V
    3 V
    4.2mA
    • RS Stock No. 923-6699
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. CD4001BE
    Each (In a Tube of 25)
    THB13.731
    Texas Instruments
    -
    NOR
    Through Hole
    4
    2
    PDIP
    14
    4000
    -
    18 V
    -4.2mA
    120 ns @ 10 V, 250 ns @ 5 V, 90 ns @ 15 V
    3 V
    4.2mA
    • RS Stock No. 307-519
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SN74LS08N
    Each
    THB35.35
    Texas Instruments
    -
    AND
    Through Hole
    4
    2
    PDIP
    14
    LS
    -
    5.25 V
    -0.4mA
    20 ns @ 5 V
    4.75 V
    8mA
    • RS Stock No. 217-5566
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SN74HC08N
    Each
    THB21.85
    Texas Instruments
    -
    AND
    Through Hole
    4
    2
    PDIP
    14
    HC
    -
    6 V
    -5.2mA
    100 ns @ 2 V, 17 ns @ 6 V, 20 ns @ 4.5 V
    2 V
    5.2mA
    • RS Stock No. 518-8650P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC14011BDG
    Each (Supplied in a Tube)
    THB20.98
    onsemi
    -
    NAND
    Surface Mount
    4
    2
    SOIC
    14
    4000
    -
    18 V
    -4.2mA
    100 ns @ 10 V, 250 ns @ 5 V, 80 ns @ 15 V
    3 V
    4.2mA
    • RS Stock No. 186-7277
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC100EL57DG
    Each (In a Tube of 48)
    THB270.549
    onsemi
    -
    Multiplexer
    Surface Mount
    1
    4
    SOIC-NB
    16
    ECL
    Single Ended
    -5.7 (NECL) V, 5.7 (PECL) V
    -
    710ps
    -4.2 (NECL) V, 4.2 (PECL) V
    -
    • RS Stock No. 186-8390P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC100EL57DG
    Each (Supplied in a Tube)
    THB410.055
    onsemi
    -
    Multiplexer
    Surface Mount
    1
    4
    SOIC-NB
    16
    ECL
    Single Ended
    -5.7 (NECL) V, 5.7 (PECL) V
    -
    710ps
    -4.2 (NECL) V, 4.2 (PECL) V
    -
    • RS Stock No. 186-8390
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC100EL57DG
    Each: (In a Pack of 2)
    THB410.055
    onsemi
    -
    Multiplexer
    Surface Mount
    1
    4
    SOIC-NB
    16
    ECL
    Single Ended
    -5.7 (NECL) V, 5.7 (PECL) V
    -
    710ps
    -4.2 (NECL) V, 4.2 (PECL) V
    -
    • RS Stock No. 184-4271
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC74HC00ADG
    Each (In a Tube of 55)
    THB15.536
    onsemi
    -
    NAND
    Surface Mount
    4
    2
    SOIC
    14
    74HC
    CMOS
    6 V
    5.2mA
    110 ns @ 50 pF
    2 V
    5.2mA
    • RS Stock No. 163-0471
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC100EP01DTG
    Each (In a Tube of 100)
    THB275.135
    onsemi
    -
    OR/NOR
    Surface Mount
    1
    4
    TSSOP
    8
    EP
    ECL
    5.5 V
    -
    350ps
    -3 V
    0.5µA
    • RS Stock No. 186-8347
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC100EL01DG
    Each: (In a Pack of 2)
    THB252.68
    onsemi
    -
    OR/NOR
    Surface Mount
    1
    4
    SOIC
    8
    ECL
    ECL
    5.7 V
    -
    -
    4.2 V
    -
    • RS Stock No. 787-6826
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC10EL01DG
    Each
    THB255.69
    onsemi
    -
    OR/NOR
    Surface Mount
    1
    4
    SOIC
    8
    ECL
    ECL
    5.7 V
    -
    230ps
    4.2 V
    -
    • RS Stock No. 787-6826P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC10EL01DG
    Each (Supplied in a Tube)
    THB255.69
    onsemi
    -
    OR/NOR
    Surface Mount
    1
    4
    SOIC
    8
    ECL
    ECL
    5.7 V
    -
    230ps
    4.2 V
    -
    • RS Stock No. 213-8988
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 74LVC1G02QW5-7
    Each: (In a Pack of 100)
    THB3.619
    DiodesZetex
    -
    NOR
    Surface Mount
    1
    2
    SOT25
    5
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 213-8988P
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 74LVC1G02QW5-7
    Each (Supplied on a Reel)
    THB3.619
    DiodesZetex
    -
    NOR
    Surface Mount
    1
    2
    SOT25
    5
    -
    -
    -
    -
    -
    -
    -
    • RS Stock No. 171-3313
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 74VHC08FT
    Each (On a Reel of 2500)
    THB4.958
    Toshiba
    -
    AND
    Surface Mount
    4
    2
    TSSOP
    14
    74VHC
    CMOS, TTL
    5.5 V
    -8mA
    15.5 ns @ 50 pF
    2 V
    8mA
    • RS Stock No. 518-8616
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MC14001BDG
    Each
    THB19.57
    onsemi
    -
    NOR
    Surface Mount
    4
    2
    SOIC
    14
    4000
    -
    18 V
    -4.2mA
    100 ns @ 10 V, 250 ns @ 5 V, 80 ns @ 15 V
    3 V
    4.2mA
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