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74LVC594A

8-bit shift register with output register

The 74LVC594A 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 can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments.

Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.

This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

特性

  • Overvoltage tolerant inputs to 5.5 V

  • Wide supply voltage range from 1.2 V to 3.6 V

  • CMOS low power dissipation

  • Direct interface with TTL levels

  • IOFF circuitry provides partial Power-down mode operation

  • Balanced propagation delays

  • All inputs have Schmitt-trigger action

  • Complies with JEDEC standard:

    • JESD8-7A (1.65 V to 1.95 V)

    • JESD8-5A (2.3 V to 2.7 V)

    • JESD8-C/JESD36 (2.7 V to 3.6 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

  • Specified from -40 °C to +85 °C and -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
74LVC594ABQProduction1.2 - 5.5CMOS/LVTTL± 243.11808low-40~1259213.361DHVQFN16
74LVC594ADProduction1.2 - 5.5CMOS/LVTTL± 243.11808low-40~125919.351SO16
74LVC594APWProduction1.2 - 5.5CMOS/LVTTL± 243.11808low-40~1251244.453.9TSSOP16

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)）
74LVC594ABQ
DHVQFN16
(SOT763-1) 		SOT763-1SOT763-1_115ActiveVC594A74LVC594ABQ,115
( 9352 824 66115 )
74LVC594AD
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74LVC594AD74LVC594AD,118
( 9352 824 44118 )
74LVC594APW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveLVC594A74LVC594APW,118
( 9352 824 67118 )

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)）
74LVC594AD
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_112Withdrawn / End-of-life74LVC594AD74LVC594AD,112
( 9352 824 44112 )
74LVC594APW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_112Withdrawn / End-of-lifeLVC594A74LVC594APW,112
( 9352 824 67112 )

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
74LVC594AD9352824441122021-12-312022-06-3074LVC594AD
    74LVC594APW9352824671122021-12-312022-06-3074LVC594APW

      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
      74LVC594ABQ74LVC594ABQ,11574LVC594ABQAlways Pb-free
      74LVC594AD74LVC594AD,11874LVC594ADAlways Pb-free
      74LVC594APW74LVC594APW,11874LVC594APWAlways 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
      74LVC594AD74LVC594AD,11274LVC594ADAlways Pb-free
      74LVC594APW74LVC594APW,11274LVC594APWAlways Pb-free
      品质及可靠性免责声明

      文档 (12)

      文件名称标题类型日期
      74LVC594A8-bit shift register with output registerData sheet2024-02-22
      AN263Power considerations when using CMOS and BiCMOS logic devicesApplication note2023-02-07
      AN11009Pin FMEA for LVC familyApplication note2019-01-09
      lvc594a74LVC594A IBIS modelIBIS model2018-11-29
      Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
      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
      lvc594a74LVC594A IBIS modelIBIS model2018-11-29

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