WMSIC Electronic Components

74VHC04FT(BJ) 74VHC04FT

Model74VHC04FT(BJ)
PackageTSSOP14B
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA 74VHC04FT(BJ)
Type
TOSHIBA
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
74VHC04FT(BJ)
Electronic Component
1
Package
TSSOP14B
Electronic Component
Inverter
Electronic Component
74VHC
Electronic Component
0.12g
Electronic Component
1
Features
Power Supply
Electronic Component
BM0230044312
Operating Temperature
40℃~+125℃
Operating Voltage
2V~5.5V
Static Current(Iq)
2uA
(tpd)
3.8ns@5V,15pF
Electronic Component
Electronic Component

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

74VHC04FT(BJ) 产品概述

一、产品简介

74VHC04FT(BJ) 是东芝(TOSHIBA)推出的一款高性能低功耗 CMOS 逻辑器件,功能为六路独立的反相器(Hex Inverter),每路为单输入单输出。器件属于 74VHC 系列(Very High-speed CMOS),在 2.0V ~ 5.5V 的宽工作电压范围内工作,结合极低的静态电流与纳秒级的传播延迟,适合对速度与功耗同时有较高要求的数字电路应用。封装为 TSSOP14B,提供良好的面积/散热平衡,适合表面贴装组装。

二、主要技术参数

  • 工作电压(VCC):2.0 V ~ 5.5 V
  • 静态电流(Iq):典型 2 μA(VCC=5V 时低功耗 CMOS 级别)
  • 传播延迟(tpd):3.8 ns @ 5 V,CL = 15 pF(单级反相器)
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 功能:六路反相器(6 × 1 输入)
  • 引脚数:14 引脚,TSSOP14B 封装
  • 特殊功能:电源关断保护(Ioff 功能/电源断电时防止反向电流)

(注:以上参数为器件代表性/典型值,具体设计应参考厂商完整数据手册中的最小/最大限值和测试条件。)

三、功能与特性

  • 六路独立反相器:每个通道均为独立的 CMOS 反相结构,输入端逻辑电平“高”输出为“低”,反之亦然。
  • 宽电源电压范围:支持标准 3.3V 和 5V 系统,也可在 2.0V 电源下运行,便于多电压系统设计。
  • 低静态功耗:在静态时电流极小,适合电池供电或待机时间长的系统。
  • 高速响应:在典型负载下传播延迟在纳秒级,适用于时钟分配、逻辑翻转、信号整形等对速度有要求的场合。
  • 电源关断保护:器件支持在 VCC 断电情况下的输入/输出保护,防止在单片系统或多电源系统电源顺序异常时产生反向电流或寄生通路,提升系统可靠性。
  • 与标准 CMOS/TTL 电平的兼容性:VHC 系列通常对多种逻辑电平具有良好兼容性,适合作为接口缓冲或逻辑电平适配单元。

四、典型应用场景

  • 逻辑信号反转/缓冲:用于需要反相逻辑信号或提升驱动能力的场景。
  • 时序/延时电路:配合外部负载与走线电容实现小幅度延时调整。
  • 电平整形与噪声滤除:清理来自高速总线或微控制器的毛刺信号,提供整洁的逻辑边沿。
  • 多电源系统电源管理:利用电源关断保护特性,降低电源切换时的故障风险。
  • 低功耗便携设备、消费电子、通信设备、工业控制等需要高可靠性逻辑门阵列的场合。

五、设计与布局注意事项

  • 去耦电容:在 VCC 与 GND 之间靠近器件放置 0.01 μF ~ 0.1 μF 的陶瓷去耦电容,以抑制瞬态电流和噪声。
  • 驱动能力与负载:尽管 VHC 系列速度快,但输出驱动能力有限,驱动大电容负载或长线时建议增加串联阻抗或使用专用驱动器。CL 测试条件会影响 tpd,请在高负载情况下验证时序。
  • 电源策略:若系统存在多个电源域,利用器件的电源关断保护仍应尽量避免在电源切换时产生不确定的输入状态,必要时采用上拉/下拉电阻固定输入态。
  • 热与散热:TSSOP14B 封装热阻适中,常规工作中无需额外散热措施;在高频或连续切换条件下注意PCB铜箔面积以利散热。
  • ESD 与保护:遵循常规静电防护措施,封装内置保护结构并不替代外部 ESD 管脚保护在敏感应用中应考虑补充保护元件。

六、封装与引脚提示

  • 封装:TSSOP14B,适合自动贴装与中等密度 PCB 布局。
  • 引脚功能:标准 14 引脚六反相器器件,VCC 与 GND 分别连接在标准位置(具体引脚排列请参照东芝原厂数据手册)。在设计 PCB 时,应根据数据手册的引脚图布置电源去耦与信号走线。

七、可靠性与环境兼容

  • 温度等级:工作温度覆盖工业级 -40 ℃ 至 +125 ℃,适合工业与汽车级别环境(请根据最终应用的可靠性需求与认证要求确认)。
  • 长期可靠性:东芝品牌与 74VHC 系列在业界应用广泛,结合适当的电气保护与良好 PCB 设计,可获得长期稳定工作。

总结:74VHC04FT(BJ) 将高速响应与极低静态功耗结合,为多种数字电路提供可靠的六路反相解决方案。设计时重点关注去耦、负载驱动能力及电源顺序管理,即可在便携、通信、工业等领域中发挥稳定作用。欲获取完整电气特性曲线、引脚排列及最大额定值,请参阅东芝官方数据手册。

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