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    74AHC138-Q100; 74AHCT138-Q100

    3-to-8 line decoder/demultiplexer; inverting

    The 74AHC138-Q100; 74AHCT138-Q100 are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard No. 7A.

    The 74AHC138-Q100; 74AHCT138-Q100 is a 3-to-8 line decoder/demultiplexer. It accepts three binary weighted address inputs (A0, A1 and A2) and, when enabled, provides eight mutually exclusive outputs (Y0 to Y7) that are LOW when selected.

    There are three enable inputs: two active LOW (E1 and E2) and one active HIGH (E3). Every output will be HIGH unless E1 and E2 are LOW and E3 is HIGH.

    This multiple enable function allows easy parallel expansion of the device to a 1-of-32 (5 lines to 32 lines) decoder with just four 74AHC138-Q100; 74AHCT138-Q100 devices and one inverter. The 74AHC138-Q100; 74AHCT138-Q100 can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Unused enable inputs must be permanently tied to their appropriate active HIGH or LOW state.

    This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

    特性

    • Automotive product qualification in accordance with AEC-Q100 (Grade 1)

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

    • Balanced propagation delays

    • All inputs have Schmitt-trigger action

    • Demultiplexing capability

    • Multiple input enable for easy expansion

    • Ideal for memory chip select decoding

    • Inputs accepts voltages higher than VCC

    • For 74AHC138-Q100 only: operates with CMOS input levels

    • For 74AHCT138-Q100 only: operates with TTL input levels

    • 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

    • DHVQFN package with Side-Wettable Flanks enabling Automatic Optical Inspection (AOI) of solder joints

    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
    74AHC138BQ-Q100Production2.0 - 5.5CMOS± 84.4low-40~1259313.862DHVQFN16
    74AHC138D-Q100Production2.0 - 5.5CMOS± 84.4low-40~125939.752SO16
    74AHC138PW-Q100Production2.0 - 5.5CMOS± 84.4low-40~1251254.654.7TSSOP16
    74AHCT138BQ-Q100Production4.5 - 5.5TTL± 84.4low-40~1259313.862DHVQFN16
    74AHCT138D-Q100Production4.5 - 5.5TTL± 84.4low-40~125939.752SO16
    74AHCT138PW-Q100Production4.5 - 5.5TTL± 84.4low-40~1251254.654.7TSSOP16

    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)）
    74AHC138BQ-Q100
    DHVQFN16
    (SOT763-1)     		SOT763-1SOT763-1_115ActiveAHC13874AHC138BQ-Q100X
    ( 9353 001 81115 )
    74AHC138D-Q100
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_118Active74AHC138D74AHC138D-Q100J
    ( 9353 001 82118 )
    74AHC138PW-Q100
    TSSOP16
    (SOT403-1)     		SOT403-1SSOP-TSSOP-VSO-WAVE
    		SOT403-1_118ActiveAHC13874AHC138PW-Q100J
    ( 9353 001 83118 )
    74AHCT138BQ-Q100
    DHVQFN16
    (SOT763-1)     		SOT763-1SOT763-1_115ActiveAHT13874AHCT138BQ-Q100X
    ( 9353 001 98115 )
    74AHCT138D-Q100
    SO16
    (SOT109-1)     		SOT109-1SO-SOJ-REFLOW
    SO-SOJ-WAVE
    		SOT109-1_118Active74AHCT138D74AHCT138D-Q100J
    ( 9353 001 99118 )
    74AHCT138PW-Q100
    TSSOP16
    (SOT403-1)     		SOT403-1SSOP-TSSOP-VSO-WAVE
    		SOT403-1_118ActiveAHCT13874AHCT138PW-Q100J
    ( 9353 002 01118 )

    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)）
    74AHC138PW-Q100/AU
    TSSOP16
    (SOT403-1)     		SOT403-1SSOP-TSSOP-VSO-WAVE
    		SOT403-1_118Withdrawn / End-of-lifeAHC13874AHC138PW-Q100/AJ
    ( 9356 906 55118 )

    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
    74AHC138PW-Q100/AU9356906551182018-12-312019-06-3074AHC138PW-Q100

      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
      74AHC138BQ-Q10074AHC138BQ-Q100X74AHC138BQ-Q100Always Pb-free
      74AHC138D-Q10074AHC138D-Q100J74AHC138D-Q100Always Pb-free
      74AHC138PW-Q10074AHC138PW-Q100J74AHC138PW-Q100Always Pb-free
      74AHCT138BQ-Q10074AHCT138BQ-Q100X74AHCT138BQ-Q100Always Pb-free
      74AHCT138D-Q10074AHCT138D-Q100J74AHCT138D-Q100Always Pb-free
      74AHCT138PW-Q10074AHCT138PW-Q100J74AHCT138PW-Q100Always Pb-free

      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
      74AHC138PW-Q100/AU74AHC138PW-Q100/AJ暂无信息
      You can request this via a support request      		week 25, 2019
      品质及可靠性免责声明

      文档 (10)

      文件名称标题类型日期
      74AHC_AHCT138_Q1003-to-8 line decoder/demultiplexer; invertingData sheet2024-02-29
      ahc138ahc138 IBIS modelIBIS model2013-04-07
      ahct138ahct138 IBIS modelIBIS model2013-04-07
      SOT763-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm bodyPackage information2023-05-11
      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
      ahc138ahc138 IBIS modelIBIS model2013-04-07
      ahct138ahct138 IBIS modelIBIS model2013-04-07

      样品

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