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74LVC373A

Octal D-type transparent latch with 5 V tolerant inputs/outputs; 3-state

The 74LVC373A is an octal D-type transparent latch with 3-state outputs. The device features latch enable (LE) and output enable (OE) inputs. When LE is HIGH, data at the inputs enter the latches. In this condition the latches are transparent, a latch output will change each time its corresponding D-input changes. When LE is LOW the latches store the information that was present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the latches. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments.

Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.

This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

特性

  • Overvoltage tolerant inputs to 5.5 V

  • Wide supply voltage range from 1.2 V to 3.6 V

  • CMOS low power consumption

  • Direct interface with TTL levels

  • High-impedance outputs when VCC = 0 V

  • IOFF circuitry provides partial Power-down mode operation

  • Complies with JEDEC standard:

    • JESD8-7A (1.65 V to 1.95 V)

    • JESD8-5A (2.3 V to 2.7 V)

    • JESD8-C/JESD36 (2.7 V to 3.6 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

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

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
74LVC373ABQProduction1.2 - 3.6TTL± 243.0low-40~125789.049DHVQFN20
74LVC373ADProduction1.2 - 3.6TTL± 243.0low-40~1258527.161SO20
74LVC373APWProduction1.2 - 3.6TTL± 243.0low-40~1251014.645TSSOP20

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)）
74LVC373ABQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveLVC373A74LVC373ABQ,115
( 9352 750 55115 )
74LVC373AD
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74LVC373AD74LVC373AD,118
( 9352 186 30118 )
74LVC373APW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveLVC373A74LVC373APW,118
( 9352 186 50118 )

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)）
74LVC373AD
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_112Withdrawn / End-of-life74LVC373AD74LVC373AD,112
( 9352 186 30112 )
74LVC373APW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeLVC373A74LVC373APW,112
( 9352 186 50112 )

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
74LVC373AD9352186301122021-12-312022-06-3074LVC373AD
    74LVC373APW9352186501122021-12-312022-06-3074LVC373APW

      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
      74LVC373ABQ74LVC373ABQ,11574LVC373ABQAlways Pb-free
      74LVC373AD74LVC373AD,11874LVC373ADweek 30, 2004
      74LVC373APW74LVC373APW,11874LVC373APWweek 53, 2004

      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
      74LVC373AD74LVC373AD,11274LVC373ADweek 30, 2004
      74LVC373APW74LVC373APW,11274LVC373APWweek 53, 2004
      品质及可靠性免责声明

      文档 (11)

      文件名称标题类型日期
      74LVC373AOctal D-type transparent latch with 5 V tolerant inputs/outputs; 3-stateData sheet2023-08-28
      AN263Power considerations when using CMOS and BiCMOS logic devicesApplication note2023-02-07
      AN11009Pin FMEA for LVC familyApplication note2019-01-09
      lvc373alvc373a IBIS modelIBIS model2013-04-07
      Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
      lvclvc Spice modelSPICE model2013-05-06
      SOT764-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm bodyPackage information2022-06-21
      SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
      SOT360-1plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm bodyPackage information2022-06-21
      SOT163-1plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm bodyPackage information2022-06-20
      WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08

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      模型

      文件名称标题类型日期
      lvc373alvc373a IBIS modelIBIS model2013-04-07
      lvclvc Spice modelSPICE model2013-05-06

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