WMSIC Electronic Components

LX SN74HC541D(LX) SN74HC541D

ModelSN74HC541D(LX)
PackageSOP-20-300mil
BrandLX
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LX SN74HC541D(LX)
Type
LX
Minimum package
2000 卷

Technical parameters

Electronic Component
LX
Electronic Component
SN74HC541D(LX)
Electronic Component
1
Package
SOP-20-300mil
Electronic Component
Buffers / Drivers / Transceivers
Electronic Component
74HC
Electronic Component
0.768g
Electronic Component
1
Electronic Component
1
Features
Output
Electronic Component
BM0264498232
Operating Temperature
40℃~+125℃
Operating Voltage
2V~6V
Output Type
Electronic Component
Type
Electronic Component
Current(IOH)
7.8mA

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

SN74HC541D(LX) 8位三态缓冲器/驱动器产品概述

一、产品定位与核心功能

SN74HC541D(LX)是灵星芯微(LX)推出的74HC系列高速CMOS逻辑器件,核心为8位单向三态缓冲器/驱动器,兼具信号缓冲、驱动增强与总线隔离功能。该器件采用CMOS工艺制造,既保留HC系列的高速特性,又具备低功耗优势,可直接替代传统TTL逻辑器件,适配3.3V/5V等主流逻辑电平系统。

其核心价值在于:通过三态输出(高阻态)实现总线共享,避免多器件同时占用总线;同时增强输出驱动能力,缓解MCU/CPU等核心器件的负载压力,保障信号传输的稳定性与完整性。

二、关键电气参数解析

SN74HC541D(LX)的电气参数覆盖工业级应用需求,核心参数如下:

1. 电源与静态功耗

  • 工作电压范围:2V~6V,兼容3.3V(嵌入式系统主流电平)、5V(传统TTL电平),无需额外电平转换;
  • 静态电流(Iq):仅8μA(典型值),低功耗特性适合电池供电或长期运行的便携/工业设备,大幅降低待机功耗。

2. 输出特性

  • 输出类型:三态(高阻态+高/低电平),支持总线切换,多个器件可共享同一总线,提升系统集成度;
  • 驱动能力:灌电流(IOL)与拉电流(IOH)均为7.8mA@Vcc=4.5V,足够驱动LED、小型继电器、光耦等中小负载,无需额外驱动电路;
  • 逻辑电平兼容性:高电平接近Vcc,低电平接近GND,与主流MCU/CPU逻辑电平完全匹配。

3. 速度与温度特性

  • 传播延迟(tpd):12ns@Vcc=4.5V、负载电容50pF,属于高速HC系列,满足100MHz以下高频信号的缓冲需求;
  • 工作温度范围:-40℃~+125℃,符合工业级温度标准,可在 harsh 环境(如户外设备、工业控制柜)稳定运行。

三、封装与应用适配

SN74HC541D(LX)采用SOP-20-300mil表面贴装封装,具有以下适配优势:

  • 引脚数20,布局紧凑,适合高密度PCB设计;
  • 300mil封装宽度(约7.62mm),引脚间距符合常规贴片工艺要求,易于手工焊接或自动化生产线组装;
  • 无铅封装(符合RoHS标准),环保且适配现代电子制造需求。

四、典型应用场景

该器件因高速、低功耗、工业级温度范围,广泛应用于以下场景:

  1. 总线缓冲与隔离:嵌入式系统、计算机主板的地址/数据总线缓冲,减少总线负载,避免信号反射与干扰;
  2. 驱动能力扩展:MCU/CPU输出端驱动LED矩阵、小型步进电机、继电器线圈等,增强系统输出能力;
  3. 工业控制模块:PLC、传感器节点、执行器驱动电路,适应-40℃~+125℃的工业环境;
  4. 便携设备:手持终端、智能穿戴的信号缓冲,低功耗特性延长电池续航。

五、品牌与可靠性优势

灵星芯微(LX)作为国产逻辑器件品牌,SN74HC541D(LX)具备以下可靠性优势:

  • 与进口74HC541器件引脚兼容、参数一致,可直接替代;
  • 生产过程符合ISO9001标准,器件一致性好,故障率低;
  • 提供完整的 datasheet 与技术支持,适配国内电子设计需求。

总结:SN74HC541D(LX)是一款高性价比的8位三态缓冲器/驱动器,兼顾高速、低功耗与工业级可靠性,适用于嵌入式、工业控制、便携设备等多领域,是替代传统TTL器件的理想选择。

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