WMSIC Electronic Components

TI SN74AHC594PWR

ModelSN74AHC594PWR
Package16-TSSOP
BrandTI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TI(Texas Instruments) SN74AHC594PWR
Type
TI
Minimum package
2000

Technical parameters

Electronic Component
to
Electronic Component
TI(Texas Instruments)
Electronic Component
SN74AHC594PWR
Electronic Component
1
Package
16-TSSOP
Electronic Component
positions Register
Electronic Component
74AHC
Electronic Component
0.112g
Electronic Component
1
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264222047
Operating Temperature
40℃~+125℃
Operating Voltage
2V~5.5V
Output Current
8mA
Clock Frequency(fc)
170MHz

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SN74AHC594PWR 串行至并行移位寄存器产品概述

SN74AHC594PWR是德州仪器(TI)推出的8位串行至并行移位寄存器,属于74AHC系列先进高速CMOS逻辑器件,兼具高速性能、低功耗与宽温适应性,是工业控制、数据采集、显示驱动等场景中扩展IO接口的核心器件。

一、核心功能与基本定位

该器件的核心功能是将串行输入数据转换为8位并行输出,通过串行接口(如SPI、I2C扩展)减少系统对微控制器(MCU)IO口的占用,同时实现数据的并行分发。作为单元件8位移位寄存器,它集成了移位逻辑与并行输出驱动,无需额外元件即可完成串行-并行转换,简化电路设计,降低系统成本。

二、关键电气参数详解

SN74AHC594PWR的电气参数覆盖了高速、宽电压、宽温等核心需求,具体如下:

  • 工作电压范围:2V~5.5V,兼容低电压(如3.3V系统)与传统5V逻辑电平,适配多种电源环境(如电池供电设备、工业电源);
  • 时钟频率:170MHz,支持高速串行数据输入,满足高频数据传输场景(如高速SPI通信、实时数据采集);
  • 传播延迟:7.6ns(@5V、50pF负载),时序响应快,可保证数据转换的实时性,避免时序冲突;
  • 输出电流:8mA,能直接驱动中等负载(如LED、小型逻辑门、继电器线圈),无需额外驱动电路;
  • 工作温度:-40℃~+125℃,符合工业级温度要求,可在极端环境(如高温车间、低温户外)下稳定工作;
  • 系列特性:74AHC系列采用先进CMOS工艺,功耗远低于传统LS系列(典型静态电流仅μA级),同时保持高速性能,平衡了速度与功耗。

三、封装与物理特性

该器件采用16-TSSOP封装(薄型小尺寸封装),引脚数16,尺寸紧凑(典型封装尺寸约4.4mm×3.0mm),适合高密度PCB设计,满足现代电子设备小型化需求(如便携设备、嵌入式模块)。16引脚包含核心功能:串行输入(SER)、移位时钟(SRCLK)、锁存时钟(RCLK)、输出使能(OE)及8位并行输出(Q0~Q7),引脚布局符合行业标准,便于电路集成与布线。

四、品牌与可靠性优势

作为德州仪器(TI)的成熟产品,SN74AHC594PWR具备以下可靠性优势:

  1. 质量一致性:TI的生产工艺严格,产品参数一致性好,适合量产应用,减少批量生产中的替换风险;
  2. 宽温可靠性:-40℃~+125℃的工作温度范围经过JEDEC标准验证,可应对工业现场的温度波动;
  3. 供货稳定性:TI的74AHC系列是长期供应的成熟产品线,生命周期长,避免因停产导致的设计变更;
  4. 技术支持:TI提供完善的datasheet、应用笔记与参考设计,便于工程师快速集成与调试。

五、典型应用场景示例

SN74AHC594PWR的高速、宽温与小封装特性,使其适用于多种场景:

  1. LED显示驱动:通过串行输入扩展8位并行输出,驱动多段数码管、LED点阵,减少MCU IO口占用(如智能家居面板、工业显示屏);
  2. 数据采集系统:将高速串行数据(如SPI输出)转换为并行数据,适配并行ADC或数据存储设备(如高速传感器采集);
  3. 工业控制:宽温范围适合工厂自动化、机器人等工业场景,高速性能满足实时控制需求(如电机驱动扩展、开关量控制);
  4. 消费电子:小封装适配手机、平板等便携设备的辅助控制(如按键扩展、状态指示、背光驱动);
  5. 通信接口扩展:将串行通信接口(UART、SPI)转换为并行接口,适配传统并行外设(如老式打印机、并行数据总线设备)。

综上,SN74AHC594PWR凭借高速、宽电压、宽温与小封装的综合优势,成为串行-并行转换场景中的高性价比选择,适用于工业、消费电子、通信等多领域的量产设计。

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