WMSIC Electronic Components

GATEMODE MC8721C

ModelMC8721C
PackageSOP-8
BrandGATEMODE
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

19 specifications

Core information

Product name
GATEMODE MC8721C
Type
GATEMODE
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GATEMODE
Electronic Component
MC8721C
Electronic Component
1
Package
SOP-8
Electronic Component
Other Interface
Electronic Component
0.228g
Electronic Component
1
Electronic Component
BM0264251993
Operating Temperature
25℃~+85℃
Operating Voltage
3V~5.25V
Operating Current
30mA
Interface Type
UART
Data
9.6Kbps
Static Current
340uA
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.

MC8721C 产品概述

一、产品简介

MC8721C 是捷茂微(GATEMODE)推出的一款基于 UART 接口的通信器件,采用标准 SOP-8 封装,面向低速串行数据传输场合。器件支持 9.6Kbps 的数据速率,工作电压范围宽(3.0V ~ 5.25V),能直接兼容常见的 3.3V 与 5V 系统,适合嵌入式控制、传感器节点与工业设备等场景使用。

二、主要性能参数

  • 接口类型:UART(异步串行)
  • 数据速率:9.6Kbps(典型)
  • 工作电压:3.0V ~ 5.25V
  • 工作温度:-25℃ ~ +85℃
  • 工作电流:30mA(工作态)
  • 静态电流:340µA(待机/空闲态)
  • 封装类型:SOP-8
  • 品牌:GATEMODE(捷茂微)

这些参数体现了 MC8721C 在低功耗与电压兼容性方面的平衡,适合供电受限或需兼容多种逻辑电平的嵌入式系统。

三、封装与引脚概述

MC8721C 采用 SOP-8 封装,便于自动贴装与波峰/回流焊接。封装占板面积小,适合体积受限的电路板设计。典型引脚功能包含电源(VCC/GND)、UART TX/RX 以及若干控制或配置引脚(复位、使能等)。具体引脚排列和功能请以厂商原厂资料为准,设计时务必参照正式数据手册确认。

四、典型应用场景

  • 工业控制:与 PLC、运动控制器等低速串行总线连接,用于传感器、执行器数据上报与指令下发。
  • 嵌入式通信模块:在单片机(MCU)、模组之间做可靠的 UART 串口桥接或协议转换。
  • 物联网终端:低功耗数据采集终端、网关中作为串口通信前端或从端设备。
  • 仪器仪表:测量仪、医疗设备等需要稳定低速串口通信的场合。

五、设计与使用建议

  • 电源滤波与去耦:在 VCC 与 GND 之间靠近器件布局 0.1µF 陶瓷去耦电容,以抑制电源噪声,保证通信稳定性。
  • 逻辑电平兼容:器件工作电压覆盖 3.0V 至 5.25V,但上位或下位设备电平务必保持一致;跨电压通信时应采用电平转换器或串联限流保护电阻。
  • UART 接口保护:推荐在 TX/RX 线上使用适当的浪涌/ESD 抑制元件(如 TVS 二极管)及 22Ω~100Ω 的串联阻抗以抑制反射和干扰。
  • 功耗管理:静态电流为 340µA,适合待机节能应用;如需进一步降低系统功耗,可在外部采取更完善的电源管理策略(如外部使能脚控制电源域)。
  • 温度与散热:工作温度范围为 -25℃~+85℃,在高温或热源密集的环境中注意 PCB 散热与布局,避免超出可靠工作区间。

六、可靠性与注意事项

  • 运行环境:器件适用于一般工业级温度范围,但不等同于工业级(-40℃)扩展型,极端低温应用请与供应商确认。
  • 供货与替代:选型时建议索取厂商最新数据手册与封装图纸,确认引脚定义、封装尺寸及可靠性测试报告。
  • 调试建议:在开发阶段使用示波器观察 UART 信号波形,确认上升/下降时间、抖动与噪声在允许范围内,以避免通信错误。

总结:MC8721C 以其 UART 接口、宽电压支持与低静态功耗,适合多种低速串口通信场景。采用 SOP-8 封装利于批量生产与空间受限的设计,结合合理的硬件布局与电源管理,可为嵌入式与工业应用提供稳定可靠的串口解决方案。若需完整引脚定义与详细功能,请参阅捷茂微(GATEMODE)提供的官方数据手册。

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