WMSIC Electronic Components

TI SN74LVC1G125DRYR

ModelSN74LVC1G125DRYR
PackageUSON-6(1x1.5)
BrandTI
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 Electronic Component

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TI(Texas Instruments) SN74LVC1G125DRYR
Type
TI
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TI(Texas Instruments)
Electronic Component
SN74LVC1G125DRYR
Electronic Component
1
Package
USON-6(1x1.5)
Electronic Component
Buffers / Drivers / Transceivers
Electronic Component
74LVC
Electronic Component
0.013g
Electronic Component
1
Electronic Component
1
Features
Isolated; Output; Level Conversion
Electronic Component
BM0265139782
Operating Temperature
40℃~+85℃
Operating Voltage
1.65V~5.5V
Output Type
Electronic Component

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

SN74LVC1G125DRYR 产品概述

一、概述

SN74LVC1G125DRYR 是德州仪器(TI)推出的一款单通道三态缓冲器/驱动器,属于 74LVC 系列。器件支持 1.65V 至 5.5V 宽电源电压范围,工作温度范围为 -40°C 至 +85°C,适合多电平系统的接口缓冲与隔离。器件封装为紧凑的 USON-6 (1 × 1.5 mm),非常适合空间受限的现代电子产品。

主要基础参数:

  • 输出类型:三态(可置高阻)
  • 工作电压:1.65 V ~ 5.5 V
  • 元件数:1 通道
  • 下拉/下灌电流 (IOL):32 mA
  • 上拉/拉电流 (IOH):32 mA
  • 静态电流 (Iq):约 10 µA
  • 传播延迟 (tpd):3.1 ns @ 3.3 V, CL = 15 pF
  • 系列:74LVC
  • 工作温度:-40℃ ~ +85℃
  • 品牌:TI(德州仪器)
  • 封装:USON-6 (1×1.5)
  • 型号:SN74LVC1G125DRYR

二、功能与特点

  • 单路非门缓冲/驱动,带输出使能控制(可将输出置为高阻),便于总线共享和级联连接。
  • 宽电源电压范围(1.65 V~5.5 V),实现低压到 5 V 系统之间的电平兼容。
  • 高驱动能力:IOH/IOL 可达 32 mA,适合驱动中等负载或下一级器件。
  • 低静态功耗:典型静态电流仅约 10 µA,有利于电池供电或低功耗系统。
  • 快速响应:在 3.3 V、15 pF 负载下传播延迟约 3.1 ns,适合高速信号路径短时缓冲。
  • 小型封装 USON-6,节省 PCB 面积,适用于便携或高密度设计。

三、典型应用场景

  • MCU/FPGA 的 I/O 缓冲与保护,避免直接驱动总线时影响主设备。
  • 总线多主/多从系统中的三态控制与仲裁(总线隔离)。
  • 电平移位和接口兼容(在满足输入/输出电平约束下用于不同电源域间的互联)。
  • 信号隔离、板间连接与快速脉冲驱动(短时高电流驱动能力)。
  • 工业控制、消费电子、通信设备和便携式设备等。

四、设计与使用注意事项

  • 电源管理:器件工作电压范围宽,但设计时须保证 VCC 的稳定与快速去耦。在器件 VCC 引脚附近放置 0.1 µF 陶瓷去耦电容,靠近封装引脚焊盘。
  • 输入与使能端:避免输入悬空,建议对未使用的输入或 OE 引脚通过适当上/下拉电阻确定默认电平,防止在上电或复位期间出现竞争态或功耗增加。
  • 输出驱动:尽管器件可短时提供较大电流,长时间大电流输出会增加功耗与发热。设计时应计算最坏情况功耗并参考器件热阻与 PCB 散热能力。
  • 三态控制:确保 OE 信号与系统时序一致,避免在传输敏感数据期间无意进入高阻状态造成信号竞争或总线漂移。
  • ESD 与静电敏感性:在制造与调试过程中注意防静电,合理设置 PCB 测试点与接地,防止输入超出允许电压范围。
  • 布局建议:短的走线和实用的接地平面有利于降低噪声与串扰。高速信号路径应尽量缩短,并避免将 OE 信号与噪声源长距离并行走线。

五、选型与封装信息

  • 型号全称:SN74LVC1G125DRYR(TI)
  • 封装:USON-6(尺寸 1 × 1.5 mm),适合 SMT 高密度安装。
  • 温度等级:工业级(-40°C 至 +85°C),适合多数工业与商用场景。

总结:SN74LVC1G125DRYR 提供了低功耗、高速、可三态控制的单通道缓冲解决方案,凭借其宽电源范围与小型封装,非常适合多电压域互连、总线隔离与空间受限的系统设计。欲获得更详尽的电气特性、引脚功能和热参数,请参阅 TI 官方数据手册以完成最终的电路验证与热设计。

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