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74AHC594; 74AHCT594

8-bit shift register with output register

The 74AHC594; 74AHCT594 is a high-speed Si-gate CMOS device and is pin compatible with Low-Power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A.

The 74AHC594; 74AHCT594 is an 8-bit, non-inverting, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Separate clocks (SHCP and STCP) and direct overriding clears (SHR and STR) are provided on both the shift and storage registers. A serial output (Q7S) is provided for cascading purposes.

Both the shift and storage register clocks are positive-edge triggered. If the user wishes to connect both clocks together, the shift register will always be one count pulse ahead of the storage register.

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

  • 8-bit serial-in, parallel-out shift register with storage

  • Independent direct overriding clears on shift and storage registers

  • Independent clocks for shift and storage registers

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

  • Input levels:

    • For 74AHC594: CMOS level

    • For 74AHCT594: TTL 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

  • 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
74AHC594BQProduction2.0 - 5.5CMOS± 84.11608low-40~1259112.360DHVQFN16
74AHC594DProduction2.0 - 5.5CMOS± 84.11608low-40~125908.649SO16
74AHC594PWProduction2.0 - 5.5CMOS± 84.11608low-40~1251234.152.2TSSOP16
74AHCT594BQProduction4.5 - 5.5TTL± 83.81608low-40~1259112.360DHVQFN16
74AHCT594DProduction4.5 - 5.5TTL± 83.81608low-40~125908.649SO16
74AHCT594PWProduction4.5 - 5.5TTL± 83.81608low-40~1251234.152.2TSSOP16

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))
74AHC594BQ
DHVQFN16
(SOT763-1)
SOT763-1SOT763-1_115ActiveAHC59474AHC594BQ,115
( 9352 820 22115 )
74AHC594D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74AHC594D74AHC594D,118
( 9352 820 18118 )
74AHC594PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveAHC59474AHC594PW,118
( 9352 820 21118 )
74AHCT594BQ
DHVQFN16
(SOT763-1)
SOT763-1SOT763-1_115ActiveACT59474AHCT594BQ,115
( 9352 820 17115 )
74AHCT594D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74AHCT594D74AHCT594D,118
( 9352 820 14118 )
74AHCT594PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveAHCT59474AHCT594PW,118
( 9352 820 16118 )

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))
74AHC594PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_112Withdrawn / End-of-lifeAHC59474AHC594PW,112
( 9352 820 21112 )

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
74AHC594D9352820181122021-12-312022-06-3074AHC594D
    74AHC594PW9352820211122021-12-312022-06-3074AHC594PW
      74AHCT594D9352820141122021-12-312022-06-3074AHCT594D
        74AHCT594PW9352820161122021-12-312022-06-3074AHCT594PW

          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
          74AHC594BQ74AHC594BQ,11574AHC594BQAlways Pb-free
          74AHC594D74AHC594D,11874AHC594DAlways Pb-free
          74AHC594PW74AHC594PW,11874AHC594PWAlways Pb-free
          74AHCT594BQ74AHCT594BQ,11574AHCT594BQAlways Pb-free
          74AHCT594D74AHCT594D,11874AHCT594DAlways Pb-free
          74AHCT594PW74AHCT594PW,11874AHCT594PWAlways Pb-free

          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
          74AHC594PW74AHC594PW,11274AHC594PWAlways Pb-free
          品质及可靠性免责声明

          文档 (10)

          文件名称标题类型日期
          74AHC_AHCT5948-bit shift register with output registerData sheet2024-03-07
          ahct594ahct594 IBIS modelIBIS model2013-04-07
          ahc594ahc594 IBIS modelIBIS model2013-04-07
          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
          ahct594ahct594 IBIS modelIBIS model2013-04-07
          ahc594ahc594 IBIS modelIBIS model2013-04-07

          样品

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