WMSIC Electronic Components

GR 74HC11D

Model74HC11D
PackageDIP-14
BrandGR
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
GR 74HC11D
Type
GR
Minimum package
25 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GR
Electronic Component
74HC11D
Electronic Component
1
Package
DIP-14
Electronic Component
Logic Gate
Electronic Component
74HC
Electronic Component
1.1g
Electronic Component
1
Channel Count
3
Electronic Component
BM0264555446
Operating Temperature
0℃~+60℃
Operating Voltage
2V~6V
Logic Type
and Gate
Current(IOH)
5.2mA
Current(IOL)
5.2mA

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

74HC11D产品概述

74HC11D是国睿(GR)半导体推出的高速CMOS 3输入与门逻辑器件,隶属于经典74HC系列逻辑电路。该器件专为低功耗、宽电压兼容及高驱动能力场景设计,可实现3路独立与逻辑运算(输出Y=A·B·C),广泛适配消费电子、工业控制、原型开发等领域。

一、产品核心定位与系列背景

74HC系列是基于高速CMOS工艺的逻辑器件家族,兼具CMOS低功耗特性与TTL电平兼容性,是传统TTL器件(如74LS系列)的升级替代方案。74HC11D作为该系列中的3输入与门,核心功能是对3路输入信号做“与”逻辑判断——仅当所有输入为高电平时输出高电平,任意输入为低电平时输出立即置低。

国睿(GR)作为国内专业半导体供应商,其74HC11D在保持系列通用特性基础上,针对工业级可靠性优化,适合对稳定性要求较高的应用环境。

二、关键性能参数解析

74HC11D的核心参数直接决定应用边界,以下是关键参数解析:

1. 电源与功耗特性

  • 工作电压范围:2V~6V,覆盖3.3V(嵌入式主流)、5V(传统数字系统)电源,无需电平转换即可适配不同系统;
  • 静态电流(Iq):仅5.5μA(典型值),远低于TTL器件的毫安级电流,有效降低系统待机功耗,适合电池供电的便携式设备。

2. 逻辑电平与驱动能力

  • 输入电平:高电平(VIH)1.5V4.2V,低电平(VIL)500mV1.8V,与TTL电平兼容,可直接对接TTL器件输出;
  • 输出电平:高电平(VOH)1.9V~5.9V(接近电源电压),低电平(VOL)仅100mV(典型值),输出电平清晰,抗干扰能力强;
  • 驱动电流:灌电流(IOL)与拉电流(IOH)均为5.2mA,可直接驱动LED、小型继电器线圈等负载,无需额外驱动电路。

3. 通道与功能

  • 通道数:3路独立3输入与门,可同时处理3组与逻辑运算,提升系统集成度。

三、引脚功能与封装说明

74HC11D采用DIP-14封装(双列直插式通孔封装),引脚布局清晰,便于原型开发与焊接,核心引脚功能如下:

引脚编号 功能说明 备注 7 GND 电源地 12 VCC 电源正(2V~6V) 1/2/3 A1/B1/C1 第一组3输入与门输入 4 Y1 第一组与门输出 5/6/8 A2/B2/C2 第二组3输入与门输入 13 Y2 第二组与门输出 9/10/11 A3/B3/C3 第三组3输入与门输入 14 预留/辅助引脚 部分批次为辅助输入,需参考 datasheet

DIP-14封装优势:通孔设计可直接插入面包板,适合快速原型验证;焊接难度低,维修时可轻松拔插,适合教学实验与小批量生产。

四、典型应用场景

74HC11D的低功耗、宽电压与高驱动特性,使其适用于多种数字系统:

1. 工业控制逻辑判断

例如泵机启动需同时满足“温度正常”“压力达标”“阀门打开”三个条件,可将三个传感器信号接入输入,输出控制泵机继电器,实现逻辑触发。

2. 信号选通控制

配合或门、非门实现多路信号选通:仅当选通信号为高时,待传输信号通过与门输出,避免无效信号干扰。

3. 低功耗便携式设备

如智能手环的辅助逻辑电路,利用5.5μA静态电流,待机时保持逻辑功能而不显著消耗电池电量。

4. 原型开发与教学实验

DIP-14封装易操作,适合高校电子实验、创客项目中的逻辑功能验证,帮助理解与逻辑运算原理。

五、产品优势与适用注意事项

1. 核心优势

  • 低功耗:静态电流仅5.5μA,比TTL器件节能90%以上;
  • 宽电压兼容:2V~6V覆盖主流电源,无需电平转换;
  • 高驱动能力:5.2mA灌/拉电流可直接驱动负载;
  • TTL电平兼容:无需额外电路即可对接传统TTL系统。

2. 注意事项

  • 电源极性:严禁VCC与GND反接,否则可能损坏器件;
  • 输入电压限制:输入电平不得超过VCC+0.5V或GND-0.5V,避免过压损坏;
  • 负载限制:输出电流不得超过5.2mA,否则可能导致输出电平异常;
  • 静电防护:CMOS器件易受静电损坏,操作时需佩戴防静电手环,存放于防静电袋中。

总结:74HC11D作为国睿74HC系列的3输入与门,以低功耗、宽电压、高驱动为核心优势,适配多种数字系统场景,是传统TTL与门的高效替代方案,适合原型开发、工业控制及消费电子等领域应用。

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