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    74HC253; 74HCT253

    Dual 4-input multiplexer; 3-state

    The 74HC253; 74HCT253 is a dual 4-bit multiplexer, each with four binary inputs (nI0 to nI3), an output enable input (nOE) and shared select inputs (S0 and S1). One of the four binary inputs is selected by the select inputs and routed to the output nY. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

    特性

    • Non-inverting data path

    • 3-state outputs interface directly with system bus

    • Common select inputs

    • Separate output enable inputs

    • Wide supply voltage range from 2.0 V to 6.0 V

    • Input levels:

      • For 74HC253: CMOS level

      • For 74HCT253: TTL level

    • CMOS low power dissipation

    • High noise immunity

    • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

    • Complies with JEDEC standards

      • JESD8C (2.7 V to 3.6 V)

      • JESD7A (2.0 V to 6.0 V)

    • ESD protection:

      • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

      • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

    • Multiple package options

    • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

    目标应用

    • Data selectors

    • Data multiplexers

    参数类型

    Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
    74HC253DProduction2.0 - 6.0CMOS± 7.817low-40~125783.236SO16
    74HC253PWProduction2.0 - 6.0CMOS± 7.817low-40~1251131.740.5TSSOP16
    74HCT253DProduction4.5 - 5.5TTL± 617low-40~125783.236SO16
    74HCT253PWProduction4.5 - 5.5TTL± 617low-40~1251131.740.5TSSOP16

    封装

    型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号，（订购码(12NC)）
    74HC253D
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_653Active74HC253D74HC253D,653
    ( 9337 138 60653 )
    74HC253PW
    TSSOP16
    (SOT403-1)     		SOT403-1SSOP-TSSOP-VSO-WAVE
    		SOT403-1_118Active74HC25374HC253PWHL
    ( 9356 912 08118 )
    74HCT253D
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_653Active74HCT253D74HCT253D,653
    ( 9337 138 70653 )
    74HCT253PW
    TSSOP16
    (SOT403-1)     		SOT403-1SSOP-TSSOP-VSO-WAVE
    		SOT403-1_118Active4HCT25374HCT253PWJ
    ( 9356 912 26118 )

    下表中的版本已停产。参见表 停产信息 了解更多信息。

    型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号，（订购码(12NC)）
    74HC253D
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_652Withdrawn / End-of-life74HC253D74HC253D,652
    ( 9337 138 60652 )
    74HCT253D
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_652Withdrawn / End-of-life74HCT253D74HCT253D,652
    ( 9337 138 70652 )

    停产信息

    型号可订购的器件编号，（订购码(12NC)）最后一次购买日期最后一次交货日期替代产品状态备注
    74HC253D9337138606522021-12-312022-06-3074HC253D
      74HCT253D9337138706522021-12-312022-06-3074HCT253D

        环境信息

        型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
        74HC253D74HC253D,65374HC253Dweek 6, 2004
        74HC253PW74HC253PWHL74HC253PW
        74HCT253D74HCT253D,65374HCT253Dweek 6, 2004
        74HCT253PW74HCT253PWJ74HCT253PW

        下表中的版本已停产。参见表 停产信息 了解更多信息。

        型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
        74HC253D74HC253D,65274HC253Dweek 6, 2004
        74HCT253D74HCT253D,65274HCT253Dweek 6, 2004
        品质及可靠性免责声明

        文档 (10)

        文件名称标题类型日期
        74HC_HCT253Dual 4-input multiplexer; 3-stateData sheet2024-03-11
        AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
        hcHC/HCT Spice modelSPICE model2022-02-17
        HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
        SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
        SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
        WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08
        SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2023-11-07
        SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm bodyPackage information2023-11-08
        SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08

        支持

        如果您需要设计/技术支持，请告知我们并填写 应答表, 我们会尽快回复您。

        模型

        文件名称标题类型日期
        hcHC/HCT Spice modelSPICE model2022-02-17

        订购、定价与供货

        样品

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