WMSIC Electronic Components

TC7WH14FU,LJ(CT TC7WH14FU

ModelTC7WH14FU,LJ(CT
PackageMSOP-8-2.8mm
BrandTOSHIBA
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 24+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TOSHIBA TC7WH14FU, LJ(CT
Type
TOSHIBA
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
TC7WH14FU,LJ(CT
Electronic Component
1
Package
MSOP-8-2.8mm
Electronic Component
Inverter
Electronic Component
TC7WH
Electronic Component
0.048g
Electronic Component
1
Electronic Component
3
Channel Count
3
Features
Electronic Component
Electronic Component
BM0229463850
Operating Temperature
40℃~+85℃
Operating Voltage
2V~5.5V

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

TC7WH14FU,LJ(CT) — 施密特触发器反相器(3通道)产品概述

一、概述与定位

TC7WH14FU,LJ(CT) 是东芝(TOSHIBA)TC7WH 系列的三通道反相器,内部采用施密特触发器输入结构,工作电压范围宽(2.0 V 至 5.5 V),面向低功耗、抗干扰能力强且适用于电平整形与开关去抖的通用逻辑场景。器件封装为 MSOP-8(2.8 mm 宽)小尺寸封装,工作温度范围 -40 ℃ 至 +85 ℃,适合便携式、工业控制和消费类电子等应用。

二、主要规格亮点

  • 输入类型:施密特触发器(具有输入迟滞特性,改善噪声容忍和抖动稳定性)
  • 通道数:3(独立反相器)
  • 工作电压:2.0 V ~ 5.5 V(单电源供电)
  • 静态电流(Iq):典型 2 μA(低静态功耗,适合电池供电设备)
  • 输出驱动能力:拉、灌电流 IOH / IOL = 8 mA(可直接驱动一般小负载或下一级逻辑)
  • 输入阈值:VIH 约 2.2 V ~ 3.85 V,VIL 约 0.9 V ~ 1.65 V(随供电电压变化,体现施密特迟滞)
  • 传播延迟(tpd):约 10.6 ns @ VCC = 5 V, CL = 50 pF
  • 环境温度:-40 ℃ ~ +85 ℃
  • 封装:MSOP-8(2.8 mm)

三、功能与优势解析

  • 抗噪声能力:施密特触发器的输入迟滞能够有效滤除输入端的毛刺和高速噪声,避免在阈值附近频繁切换,适合按键去抖及模拟传感器的数字化处理。
  • 宽供电范围:2 V 至 5.5 V 的兼容性使其可在 1 节到 3 节电池系统和 5 V 系统中使用,便于设计统一化。
  • 低功耗:典型静态电流仅 2 μA,空闲时能耗极低,适合待机和电池供电场景。
  • 小封装高集成度:MSOP-8 封装节省 PCB 空间,三通道设计便于集中布置多个逻辑反相功能。
  • 可靠的输出驱动:8 mA 的 IOH/IOL 能满足驱动若干小型负载、LED 指示或下一级 CMOS/TTL 输入。

四、典型应用场景

  • 开关按键去抖与信号整形(按键输入或机械开关)
  • 传感器数字化接口(来自模拟电路的边沿检测)
  • 脉冲整形、方波再生及时序逻辑预处理
  • 低功耗微控制器的中断/复位信号整形
  • 小功率 LED 驱动(配合限流电阻)及指示灯驱动
  • 消费电子、便携设备、工业自动化的前端逻辑滤波

五、设计与使用建议

  • 输入端建议避免浮空:若通道短期闲置,应将输入拉至明确电平(接地或 VCC)以防止不确定状态增加功耗或产生干扰。
  • 去耦电容:靠近 VCC 与 GND 布置 0.1 μF 陶瓷去耦电容以抑制电源瞬态噪声,提高信号完整性。
  • 负载与驱动:当需驱动较大电流负载时,考虑外部驱动器或推挽增强电路;若驱动下一级 CMOS 输入,8 mA 足够。
  • 时序与容性负载:传播延迟会随负载电容上升而增加;对高速应用请评估 CL 并留有裕度。
  • PCB 布局:输入线尽量短且远离高频信号线,输出若驱动外部电缆或长线应加终端阻抗以防振铃。

六、可靠性与封装注意

  • 温度评分覆盖工业级常见范围(-40 ℃ 到 +85 ℃),适用于多数工业和消费类场景。
  • MSOP-8(2.8 mm)封装适合表贴加工,遵循厂商给出的焊接回流曲线以保证可靠的焊点质量。
  • ESD 与静电防护:在搬运和贴装过程中应注意静电防护,以免损害输入结构。

七、选型建议与替代考虑

若项目强调更高的输出驱动(更大 IOH/IOL)或更快的传播延迟,可考虑相邻系列或推挽输出增强型器件;若需要更严格的输入阈值或更低的工作电压下的确定性,则可对比 LVC、SN74 系列中相应的施密特触发器产品。总体而言,TC7WH14FU,LJ(CT) 在低功耗、多电压兼容与抗干扰方面表现平衡,适合通用信号整形与去抖应用。

如需基于具体电源、电容负载或目标时序的更详细设计建议(例如输入/输出滤波、布线示意或真实测量的时序预算),可提供系统参数以便进一步优化方案。

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