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74HC373; 74HCT373

Octal D-type transparent latch; 3-state

The 74HC373; 74HCT373 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 include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

特性

  • Wide supply voltage range from 2.0 V to 6.0 V

  • 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)

  • Input levels:

    • For 74HC373: CMOS level

    • For 74HCT373: TTL level

  • 3-state non-inverting outputs for bus oriented applications

  • Common 3-state output enable input

  • ESD protection:

    • HBM JESD22-A114F exceeds 2 kV

    • MM JESD22-A115-A exceeds 200 V

  • Multiple package options

  • Specified from -40 °C to +85 °C and from -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
74HC373BQProduction2.0 - 6.0CMOS± 7.812low-40~125789.150DHVQFN20
74HC373DProduction2.0 - 6.0CMOS± 7.812low-40~1258527.361SO20
74HC373PWProduction2.0 - 6.0CMOS± 7.812low-40~1251004.644.7TSSOP20
74HCT373BQProduction4.5 - 5.5TTL± 614low-40~125789.150DHVQFN20
74HCT373DProduction4.5 - 5.5TTL± 614low-40~1258527.361SO20
74HCT373PWProduction4.5 - 5.5TTL± 614low-40~1251004.644.7TSSOP20

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)）
74HC373BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveHC373BQ74HC373BQ,115
( 9352 745 85115 )
74HC373D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HC373D74HC373D,653
( 9337 154 70653 )
74HC373PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHC37374HC373PW,118
( 9351 652 40118 )
74HCT373BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveHCT373BQ74HCT373BQ,115
( 9352 745 84115 )
74HCT373D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HCT373D74HCT373D,653
( 9337 155 80653 )
74HCT373PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHCT37374HCT373PW,118
( 9351 748 30118 )

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)）
74HCT373PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeHCT37374HCT373PW,112
( 9351 748 30112 )

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
74HC373D9337154706522021-12-312022-06-3074HC373D
    74HC373PW9351652401122021-12-312022-06-3074HC373PW
      74HCT373D9337155806522021-12-312022-06-3074HCT373D
        74HCT373PW9351748301122021-12-312022-06-3074HCT373PW

          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
          74HC373BQ74HC373BQ,11574HC373BQAlways Pb-free
          74HC373D74HC373D,65374HC373Dweek 30, 2004
          74HC373PW74HC373PW,11874HC373PWweek 17, 2005
          74HCT373BQ74HCT373BQ,11574HCT373BQAlways Pb-free
          74HCT373D74HCT373D,65374HCT373Dweek 30, 2004
          74HCT373PW74HCT373PW,11874HCT373PWweek 17, 2005

          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
          74HCT373PW74HCT373PW,11274HCT373PWweek 17, 2005
          品质及可靠性免责声明

          文档 (9)

          文件名称标题类型日期
          74HC_HCT373Octal D-type transparent latch; 3-stateData sheet2021-09-06
          AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
          hcHC/HCT Spice modelSPICE model2022-02-17
          HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
          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

          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

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