WMSIC Electronic Components

TI SN74HC595DR

ModelSN74HC595DR
PackageSOIC-16
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

20 specifications

Core information

Product name
TI(Texas Instruments) SN74HC595DR
Type
TI
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
to
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
SN74HC595DR
Electronic Component
1
Package
SOIC-16
Electronic Component
positions Register
Electronic Component
74HC
Electronic Component
0.296g
Electronic Component
1
Electronic Component
1
Features
Output
Electronic Component
BM69415541
Operating Temperature
40℃~+85℃
Operating Voltage
2V~6V

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

SN74HC595DR 产品概述

一、产品简介

SN74HC595DR 是由德州仪器(Texas Instruments)推出的一款高性能8位移位寄存器,广泛应用于嵌入式系统和数字电路设计中。该器件具备串行输入、并行输出的功能,并且支持8位数据的串行到并行转换,使其成为实现多通道数据处理、LED驱动等应用的理想选择。

二、主要特点

  1. 逻辑类型 : 移位寄存器

    • SN74HC595DR 属于高速度CMOS(HC)逻辑系列,具有较高的抗干扰能力和较低的功耗,适用于对速度有要求的应用。
  2. 输出类型 : 三态输出

    • 该器件的三态输出功能使其能够在同一总线上连接多个器件,有效降低了电路的复杂性和空间占用,从而提高了设计的灵活性。
  3. 工作电压 : 2V ~ 6V

    • 支持的工作电压范围使其能够与多种电压等级的数字电路兼容,适应各种应用场景。
  4. 位数 : 8位

    • 作为一个8位寄存器,SN74HC595可以同时处理8位数据,这对于许多数字信号处理和数据传输需求而言是非常合适的。
  5. 工作温度范围 : -40°C ~ 85°C

    • 适应广泛的工作温度范围,使其在工业、汽车和消费电子等多种环境下可靠工作。
  6. 安装类型 : 表面贴装型(SMD)

    • SN74HC595DR 采用16-SOIC封装,适合现代PCB设计,易于自动化生产和安装。
  7. 供应商器件封装 : 16-SOIC

    • 封装形式标准化,使其在市场上更为通用,便于采购和替换。

三、应用领域

SN74HC595DR 被广泛应用于各种电子设计领域,具体应用包括但不限于:

  • LED驱动 : 通过将多个LED连接到并行输出引脚,可以有效实现LED条、显示屏等的驱动控制。
  • 数据扩展 : 在微控制器(MCU)或数字信号处理器(DSP)中使用,当I/O引脚不足时,可以通过级联多个SN74HC595实现扩展。
  • 自动化控制 : 在工控、机器人等场景中用于控制多个开关或执行器,实施复杂的控制逻辑。
  • 音频设备 : 用于音频信号切换与控制,有助于实现多路音频信号的串行传输并输出。

四、设计考虑

在使用SN74HC595DR时,设计者需注意以下几点:

  1. 电源管理 : 确保工作电压在2V ~ 6V范围内,避免超出这一范围会导致器件损坏或工作异常。

  2. 布局设计 : 由于其封装为SMD,PCB布局需留足足够的走线空间,以减少信号干扰和反射。

  3. 串联使用 : 可通过级联多个SN74HC595,以实现更高位数的串行数据处理,但需合理设计时钟、数据引脚连接,以确保数据传输的完整性和同步性。

  4. 散热问题 : 在高频率工作时,应该考虑电路的散热设计,以避免因过热导致的性能下降或故障。

五、总结

SN74HC595DR是一款功能强大、应用广泛的8位移位寄存器,凭借其出色的逻辑性能、三态输出和宽广的工作电压范围,成为设计工程师在数字电路设计中的常用器件。无论是在LED显示控制、数据扩展还是在复杂控制逻辑的实现上,SN74HC595DR都能保证高效可靠的性能,是现代电子设计中不可或缺的元件之一。

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