WMSIC Electronic Components

HGSEMI 74HC14MT/TR 74HC14MT

Model74HC14MT/TR
PackageTSSOP-14
BrandHGSEMI
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
HGSEMI 74HC14MT / TR
Type
TSSOP-14
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
74HC14MT/TR
Electronic Component
1
Package
TSSOP-14
Electronic Component
Inverter
Electronic Component
74HC
Electronic Component
0.19g
Electronic Component
1
Channel Count
6
Features
Electronic Component
Electronic Component
BM0265850692
Operating Temperature
40℃~+85℃
Operating Voltage
2V~6V
Type
Flip-Flop
Current(IOH)
5.2mA

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

74HC14MT/TR 六施密特触发器产品概述

一、产品核心功能与定位

74HC14MT/TR是HGSEMI(华冠)推出的六通道施密特触发反相器,属于高速CMOS逻辑器件,兼容传统74HC系列标准。其核心特性是输入具备施密特滞回特性,可有效处理缓慢变化的模拟信号或含噪声的数字信号,实现信号整形、电平转换、脉冲修复等功能,广泛适配工业控制、消费电子、通信等领域的电路设计需求。

二、关键电气参数详解

该器件的电气参数兼顾低功耗与高速性能,核心参数及应用意义如下:

1. 电源与功耗

  • 电源电压范围:2V~6V,覆盖3.3V(低功耗场景)、5V(传统逻辑)等主流电压域,无需额外电平转换即可兼容多系统;
  • 静态电流(Iq):仅20μA,极低的待机功耗适合电池供电设备(如可穿戴、物联网终端),大幅延长续航时间。

2. 输入输出特性

  • 施密特触发输入:具备固有的滞回特性(输入高低电平切换阈值存在差异),可抑制输入信号的抖动或噪声,避免误触发;
  • 驱动能力:灌电流(IOL)与拉电流(IOH)均为5.2mA@6V,驱动能力强,可直接驱动LED、小型继电器或中等负载的逻辑电路;
  • 电平特性:
    • 高电平(VOH):2V电源下为1.9V、4.5V下为3.98V、6V下为5.48V,接近电源电压,高电平噪声裕量充足;
    • 低电平(VOL):2V电源下为260mV、6V下为100mV,低电平稳定,抗干扰能力强。

3. 高速响应

传播延迟(tpd):21ns@6V、50pF负载,在6V电源下实现高速信号传输,适合高频脉冲处理(如时钟信号整形、通信数据链路)。

三、封装与物理特性

采用TSSOP-14表面贴装封装,具有以下优势:

  • 体积小巧:封装尺寸远小于传统DIP封装,适合高密度PCB设计(如智能手机、工业控制板);
  • 引脚标准:14引脚布局与74HC14通用引脚一致(VCC=14脚、GND=7脚,6组输入输出分别对应1/2、3/4、5/6、8/9、10/11、12/13脚),便于电路替换或升级;
  • 贴装兼容性:符合SMT自动化生产要求,适合量产应用。

四、典型应用场景

结合参数特性,74HC14MT/TR的核心应用场景包括:

1. 信号整形

  • 处理传感器输出的缓慢变化模拟信号(如温度、压力传感器),将其转换为稳定的数字电平,避免噪声干扰;
  • 修复通信链路中失真的脉冲信号(如SPI、I2C总线的脉冲),保证数据传输可靠性。

2. 电平转换

  • 实现2V~6V之间的逻辑电平转换,例如3.3V单片机与5V外设之间的信号适配,无需额外电平转换芯片。

3. 按键防抖

  • 利用施密特滞回特性消除机械按键的抖动(按键按下/弹起时的短暂电平波动),减少误触发,常见于键盘、遥控器等输入设备。

4. 工业控制

  • 工作温度范围**-40℃~+85℃**,可稳定工作于工业环境(如车间、户外设备),适配PLC、传感器模块等工业电路。

5. 消费电子

  • 低功耗与小封装特性,适合可穿戴设备(如智能手环)、智能家居终端(如智能插座)等小型化产品。

五、品牌与可靠性

HGSEMI(华冠)作为国内知名半导体厂商,74HC14MT/TR符合74HC系列国际标准,经过严格的可靠性测试(如温度循环、ESD防护),可满足量产需求。其低功耗、高速响应与宽温特性,使其成为替代进口74HC14器件的高性价比选择。

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