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74AHC573; 74AHCT573

Octal D-type transparent latch; 3-state

The 74AHC573; 74AHCT573 is an 8-bit 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 are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.

特性

  • Wide supply voltage range from 2.0 V to 5.5 V

  • Balanced propagation delays

  • All inputs have Schmitt-trigger action

  • Overvoltage tolerant inputs to 5.5 V

  • High noise immunity

  • CMOS low power dissipation

  • Common 3-state output enable input

  • Functionally identical to the 74AHC373; 74AHCT373

  • Input levels:

    • For 74AHC573: CMOS input level

    • For 74AHCT573: TTL input level

  • ESD protection:

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

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

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

  • 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
74AHC573BQProduction2.0 - 5.5CMOS± 84.2low-40~125778.148DHVQFN20
74AHC573DProduction2.0 - 5.5CMOS± 84.2low-40~1258426.460SO20
74AHC573PWProduction2.0 - 5.5CMOS± 84.2low-40~1251004.444TSSOP20
74AHCT573BQProduction4.5 - 5.5TTL± 83.9low-40~125778.148DHVQFN20
74AHCT573DProduction4.5 - 5.5TTL± 83.9low-40~1258426.460SO20
74AHCT573PWProduction4.5 - 5.5TTL± 83.9low-40~1251004.444TSSOP20

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)）
74AHC573BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveAHC57374AHC573BQ,115
( 9352 805 55115 )
74AHC573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74AHC573D74AHC573D,118
( 9352 630 75118 )
74AHC573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveAHC57374AHC573PW,118
( 9352 630 72118 )
74AHCT573BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveAHCT57374AHCT573BQ,115
( 9352 905 32115 )
74AHCT573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74AHCT573D74AHCT573D,118
( 9352 630 73118 )
74AHCT573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveAHCT57374AHCT573PW,118
( 9352 630 74118 )

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)）
74AHC573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_112Withdrawn / End-of-life74AHC573D74AHC573D,112
( 9352 630 75112 )
74AHCT573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeAHCT57374AHCT573PW,112
( 9352 630 74112 )

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
74AHC573D9352630751122021-12-312022-06-3074AHC573D
    74AHC573PW9352630721122021-12-312022-06-3074AHC573PW
      74AHCT573D9352630731122021-12-312022-06-3074AHCT573D
        74AHCT573PW9352630741122021-12-312022-06-3074AHCT573PW

          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
          74AHC573BQ74AHC573BQ,11574AHC573BQAlways Pb-free
          74AHC573D74AHC573D,11874AHC573Dweek 13, 2005
          74AHC573PW74AHC573PW,11874AHC573PWweek 7, 2005
          74AHCT573BQ74AHCT573BQ,11574AHCT573BQAlways Pb-free
          74AHCT573D74AHCT573D,11874AHCT573Dweek 30, 2004
          74AHCT573PW74AHCT573PW,11874AHCT573PWweek 7, 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
          74AHC573D74AHC573D,11274AHC573Dweek 13, 2005
          74AHCT573PW74AHCT573PW,11274AHCT573PWweek 7, 2005
          品质及可靠性免责声明

          文档 (8)

          文件名称标题类型日期
          74AHC_AHCT573Octal D-type transparent latch; 3-stateData sheet2023-10-11
          ahct573ahct573 IBIS modelIBIS model2013-04-07
          ahc573ahc573 IBIS modelIBIS model2013-04-07
          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
          ahct573ahct573 IBIS modelIBIS model2013-04-07
          ahc573ahc573 IBIS modelIBIS model2013-04-07

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