WMSIC Electronic Components

Hangzhou Ruimeng MS2576

ModelMS2576
PackageSOP-16
BrandElectronic Component
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
MS2576
Type
Relmon
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MS2576
Electronic Component
1
Package
SOP-16
Electronic Component
Buffers / Drivers / Transceivers
Electronic Component
0.001g
Electronic Component
1
Electronic Component
1
Features
Isolated; Output; Output
Electronic Component
BM0265592203
Operating Temperature
40℃~+125℃
Operating Voltage
2.5V~5.5V
Output Type
Electronic Component
Type
Electronic Component
Current(IOH)
10mA

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

杭州瑞盟MS2576 4位三态单向总线缓冲器产品概述

杭州瑞盟推出的MS2576是一款工业级4位三态单向总线缓冲器/驱动器,专为数字系统中总线数据的隔离、驱动与共享设计,具备宽电压兼容、低功耗、宽温工作等核心优势,广泛适配工业控制、汽车电子、通信设备等场景需求。

一、产品定位与核心功能

MS2576的核心定位是总线信号的“缓冲驱动桥”:通过三态输出特性,实现多个器件对同一总线的分时访问,避免总线冲突;同时具备足够的驱动能力,可增强总线信号的驱动能力,解决长线传输中的信号衰减问题。

其核心功能包括:

  1. 4位单向数据缓冲:支持4路独立的输入→输出数据传输;
  2. 三态输出控制:通过使能端(OE)控制输出为“高电平/低电平/高阻态”,高阻态时不占用总线;
  3. 信号驱动增强:提高输出信号的灌/拉电流能力,适配不同负载(如LED、逻辑门、小功率继电器)。

二、关键电气参数解析

MS2576的参数设计充分考虑了工业级应用的兼容性与可靠性,核心参数如下:

2.1 电压与功耗

  • 工作电压范围:2.5V~5.5V,兼容3.3V(常见单片机电压)与5V(传统逻辑电压)系统,无需额外电平转换电路,简化设计;
  • 静态电流(Iq):≤10μA(典型值),低功耗特性适合电池供电设备(如便携式测试仪器)或对功耗敏感的工业模块,可延长待机时间。

2.2 驱动能力

  • 灌电流(IOL):10mA(VCC=5V时),可驱动小功率负载(如点亮10mA的LED);
  • 拉电流(IOH):10mA(VCC=5V时),保证输出高电平时的带载能力,避免信号被拉低。

2.3 环境适应性

  • 工作温度范围:-40℃~+125℃,符合工业级标准,可在低温(如北方户外设备)、高温(如工业烤箱、汽车发动机舱)环境下稳定工作;
  • 存储温度:-65℃~+150℃,满足极端存储条件。

三、封装与引脚配置

MS2576采用SOP-16表贴封装(16引脚窄体),尺寸紧凑(约5.2mm×4.4mm),适合高密度PCB布局,引脚功能如下(典型配置):

引脚号 功能描述 备注 1 OE(输出使能) 低电平有效,高阻态时为高 2~5 A1~A4(输入) 4位输入数据端 6~7 NC(空脚) 无连接 8 GND(地) 电源地 9~12 Y1~Y4(输出) 4位三态输出数据端 13~15 NC(空脚) 无连接 16 VCC(电源) 输入2.5V~5.5V直流电压

引脚布局符合标准逻辑器件规范,便于工程师快速替换或兼容设计。

四、典型应用场景

MS2576的宽电压、宽温、三态特性使其适配多领域场景:

  1. 工业控制:PLC(可编程逻辑控制器)的输入输出模块,缓冲传感器信号或驱动执行器;
  2. 汽车电子:车载CAN/LIN总线的信号缓冲,或仪表盘、车身控制器的数字信号驱动;
  3. 通信设备:基站、交换机的逻辑电平转换与总线隔离,避免不同模块间的信号干扰;
  4. 消费电子:机顶盒、路由器的接口扩展,增强USB或串口的驱动能力;
  5. 便携式设备:低功耗设计的手持仪器(如万用表、数据采集器),延长电池续航。

五、产品优势总结

与同类进口器件(如74HC244)相比,MS2576具备以下核心优势:

  1. 国产自主可控:杭州瑞盟国产芯片,供应链稳定,避免进口依赖;
  2. 宽温更可靠:-40℃+125℃工业级宽温,比部分商用级器件(0℃70℃)适应性更强;
  3. 低功耗适配:10μA静态电流,适合电池供电场景;
  4. 高性价比:国产芯片成本优势明显,性能参数与进口器件相当;
  5. 兼容设计:SOP-16封装与引脚兼容74HC244,可直接替换。

六、选型与替代参考

  • 直接替代:可替换74HC244、SN74HC244DR、TC74HC244AP等同类4位三态缓冲器;
  • 升级选型:若需8位三态缓冲,可选择杭州瑞盟MS2577;若需双向缓冲,可选择MS245;
  • 注意事项:若系统工作电压为1.8V,需选择低电压版本(如MS2576L)。

综上,杭州瑞盟MS2576是一款高性价比的工业级4位三态单向总线缓冲器,凭借宽电压、低功耗、宽温等特性,成为数字系统总线设计的优选器件之一。

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