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74HC573; 74HCT573

Octal D-type transparent latch; 3-state

The 74HC573; 74HCT573 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 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 to 6.0 V
  • CMOS low power dissipation
  • High noise immunity

  • Input levels:

    • For 74HC573: CMOS level

    • For 74HCT573: TTL level

  • Inputs and outputs on opposite sides of package allowing easy interface with microprocessors

  • Useful as input or output port for microprocessors and microcomputers

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

  • Common 3-state output enable input

  • 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 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
74HC573BQProduction2.0 - 6.0CMOS± 7.814low-40~125799.450DHVQFN20
74HC573DProduction2.0 - 6.0CMOS± 7.814low-40~1258527.561SO20
74HC573PWProduction2.0 - 6.0CMOS± 7.814low-40~1251004.644.9TSSOP20
74HCT573BQProduction4.5 - 5.5TTL± 617low-40~125799.450DHVQFN20
74HCT573DProduction4.5 - 5.5TTL± 617low-40~1258527.561SO20
74HCT573PWProduction4.5 - 5.5TTL± 617low-40~1251004.644.9TSSOP20

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)）
74HC573BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveHC57374HC573BQ,115
( 9352 736 94115 )
74HC573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HC573D74HC573D,653
( 9337 135 60653 )
74HC573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHC57374HC573PW,118
( 9351 870 00118 )
74HCT573BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveHCT57374HCT573BQ,115
( 9352 737 32115 )
74HCT573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HCT573D74HCT573D,653
( 9337 135 70653 )
74HCT573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHCT57374HCT573PW,118
( 9351 869 90118 )

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)）
74HC573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_652Withdrawn / End-of-life74HC573D74HC573D,652
( 9337 135 60652 )
74HC573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeHC57374HC573PW,112
( 9351 870 00112 )
74HCT573D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_652Withdrawn / End-of-life74HCT573D74HCT573D,652
( 9337 135 70652 )
74HCT573PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeHCT57374HCT573PW,112
( 9351 869 90112 )

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
74HC573BQ/S520935306251115
74HC573D9337135606522021-12-312022-06-3074HC573D
    74HC573PW9351870001122021-12-312022-06-3074HC573PW
      74HCT573D9337135706522021-12-312022-06-3074HCT573D
        74HCT573PW9351869901122021-12-312022-06-3074HCT573PW

          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
          74HC573BQ74HC573BQ,11574HC573BQAlways Pb-free
          74HC573D74HC573D,65374HC573Dweek 13, 2005
          74HC573PW74HC573PW,11874HC573PWweek 7, 2005
          74HCT573BQ74HCT573BQ,11574HCT573BQAlways Pb-free
          74HCT573D74HCT573D,65374HCT573Dweek 13, 2005
          74HCT573PW74HCT573PW,11874HCT573PWweek 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
          74HC573D74HC573D,65274HC573Dweek 13, 2005
          74HC573PW74HC573PW,11274HC573PWweek 7, 2005
          74HCT573D74HCT573D,65274HCT573Dweek 13, 2005
          74HCT573PW74HCT573PW,11274HCT573PWweek 7, 2005
          品质及可靠性免责声明

          文档 (10)

          文件名称标题类型日期
          74HC_HCT573Octal D-type transparent latch; 3-stateData sheet2021-09-10
          AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
          hc57374HC573 IBIS modelIBIS model2020-12-07
          hct57374HCT573 IBIS modelIBIS model2020-12-08
          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
          hc57374HC573 IBIS modelIBIS model2020-12-07
          hct57374HCT573 IBIS modelIBIS model2020-12-08

          样品

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