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74HC594; 74HCT594

8-bit shift register with output register

The 74HC594; 74HCT594 is an 8-bit serial-in/serial or parallel-out shift register with a storage register. Separate clock and reset inputs are provided on both shift and storage registers. The device features a serial input (DS) and a serial output (Q7S) to enable cascading. Data is shifted on the LOW-to-HIGH transitions of the SHCP input, and the data in the shift register is transferred to the storage register on a LOW-to-HIGH transition of the STCP input. If both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register. A LOW level on one of the two register reset pins (SHR and STR) will clear the corresponding register. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

特性

  • Synchronous serial input and output

  • 8-bit parallel output

  • Shift and storage registers have independent direct clear and clocks

  • Independent clocks for shift and storage registers

  • 100 MHz (typical)

  • 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

  • Input levels:

    • For 74HC594: CMOS level

    • For 74HCT594: TTL level

  • Complies with JEDEC standards

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 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

  • Multiple package options

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

目标应用

  • Serial-to parallel data conversion

  • Remote control holding register

参数类型

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC594BQProduction2.0 - 6.0CMOS± 7.8141098low-40~125869.054DHVQFN16
74HC594DProduction2.0 - 6.0CMOS± 7.8141098low-40~125866.945SO16
74HC594PWProduction2.0 - 6.0CMOS± 7.8141098low-40~1251193.047TSSOP16
74HCT594DProduction4.5 - 5.5TTL± 6151008low-40~125866.945.1SO16
74HCT594PWProduction4.5 - 5.5TTL± 6151008low-40~1251193.047TSSOP16

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)）
74HC594BQ
DHVQFN16
(SOT763-1) 		SOT763-1SOT763-1_115Active4HC59474HC594BQX
( 9356 912 76115 )
74HC594D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74HC594D74HC594D,118
( 9350 433 80118 )
74HC594PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHC594PW74HC594PWJ
( 9356 912 21118 )
74HCT594D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74HCT594D74HCT594D,118
( 9350 433 90118 )
74HCT594PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118Active4HCT59474HCT594PWJ
( 9356 912 14118 )

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)）
74HC594D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_112Withdrawn / End-of-life74HC594D74HC594D,112
( 9350 433 80112 )

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
74HC594D9350433801122021-12-312022-06-3074HC594D
    74HCT594D9350433901122021-12-312022-06-3074HCT594D

      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
      74HC594BQ74HC594BQX74HC594BQ
      74HC594D74HC594D,11874HC594Dweek 30, 2004
      74HC594PW74HC594PWJ74HC594PW
      74HCT594D74HCT594D,11874HCT594Dweek 6, 2004
      74HCT594PW74HCT594PWJ74HCT594PW

      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
      74HC594D74HC594D,11274HC594Dweek 30, 2004
      品质及可靠性免责声明

      文档 (11)

      文件名称标题类型日期
      74HC_HCT5948-bit shift register with output registerData sheet2024-03-19
      AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
      hc59474HC594 IBIS modelIBIS model2021-02-02
      HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
      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
      hc59474HC594 IBIS modelIBIS model2021-02-02

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