WMSIC Electronic Components

FMD FT24C02A-KSR-T FT24C02A

ModelFT24C02A-KSR-T
PackageSOP-8
BrandFMD
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 26+

Available for RFQ

Technical data

Product details

17 specifications

Core information

Product name
FMD FT24C02A-KSR-T
Type
FMD
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FMD
Electronic Component
FT24C02A-KSR-T
Electronic Component
1
Package
SOP-8
Electronic Component
EEPROM
Electronic Component
0.188g
Electronic Component
1
Electronic Component
BM0264213088
Operating Current
3mA
Current
1uA
Electronic Component
Electronic Component
Electronic Component
4000
(t A)
0.9us

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

FT24C02A-KSR-T EEPROM产品概述

一、产品定位与品牌背景

FT24C02A-KSR-T是辉芒微(FMD) 推出的一款低功耗串行EEPROM,属于FT24C系列存储芯片,核心定位为小容量、高可靠、宽适配的嵌入式存储方案,专为需要永久保存少量关键数据的场景设计(如设备ID、校准参数、状态日志等),是替代传统并行EEPROM的高性价比选择。

辉芒微作为国内MCU及存储芯片领域的主流厂商,其FT24C系列经过多年市场验证,具备稳定的性能表现,广泛覆盖工业、消费电子、物联网等多领域应用。

二、核心性能参数深度解析

FT24C02A-KSR-T的参数针对嵌入式场景做了针对性优化,关键指标及应用价值如下:

  • 存储容量:2Kbit(256字节)
    精准匹配“非大量但关键”数据存储需求(如8字节设备ID、32字节传感器校准值),避免存储资源浪费,同时满足多数嵌入式系统的小容量数据存储场景。

  • 接口类型:I2C串行接口
    采用两线(SDA数据、SCL时钟)通信,仅需4个引脚(含电源、地),大幅节省PCB引脚资源;支持多设备级联(通过A0-A2地址引脚设置8个不同地址),适配系统多存储需求。

  • 时钟频率:1MHz
    支持I2C快模式传输,数据读写速度比常规100kHz慢模式快10倍,适合对响应效率有要求的场景(如实时设备状态更新)。

  • 工作电压:1.8V~5.5V宽范围
    兼容3.3V(主流嵌入式系统)、5V(传统工业设备)及低功耗1.8V(可穿戴、IoT节点)系统,无需额外电平转换电路,降低系统设计复杂度。

  • 写周期时间:5ms
    单次页写入时间仅5ms,比多数同容量EEPROM(通常10ms)更快,减少系统等待时间,提升整体响应速度。

  • 数据保留时间:100年
    无电源状态下数据可保持100年不丢失,满足“永久保存”类应用(如设备出厂校准值、唯一ID)。

  • 写周期寿命:100万次
    比常规EEPROM(10万次)高10倍,适合频繁写入场景(如计数器、电池电量记录、状态日志),大幅延长产品使用寿命。

  • 工作温度:-40℃~+85℃工业级
    适应户外、工业现场等恶劣环境(如低温户外传感器、高温车间PLC模块),可靠性远超商业级(0℃~70℃)产品。

三、封装与接口特性

FT24C02A-KSR-T采用SOP-8表面贴装封装,体积小巧(尺寸约5.2mm×6.0mm),适合PCB布局紧凑的产品(如小型传感器模块、可穿戴设备)。

接口引脚功能明确:

  • 电源/地:VCC(1.8V~5.5V)、GND;
  • I2C总线:SDA(数据)、SCL(时钟);
  • 地址设置:A0-A2(3位地址引脚,硬件设置8个不同地址);
  • 写保护:WP(高电平禁止写入,防止误操作导致数据丢失)。

其中写保护功能可通过硬件开关或MCU控制,避免系统异常时误写入关键数据,提升数据安全性。

四、典型应用场景

结合参数特性,FT24C02A-KSR-T的典型应用包括:

  1. 工业控制:工业传感器(温度/压力)、PLC模块、电机控制器(宽温/宽电压适配);
  2. 消费电子:智能家居(智能插座/遥控器)、可穿戴手环(低电压/小封装);
  3. 医疗设备:小型血糖仪、血压计(存储校准值,100万次写入适配频繁校准);
  4. 物联网节点:低功耗IoT传感器(1.8V兼容、I2C省资源);
  5. 车载小系统:车载充电器配置存储(-40℃~85℃适配车载环境)。

五、选型优势总结

相比同容量串行EEPROM,FT24C02A-KSR-T具备以下核心优势:

  • 高写寿命:100万次写入,适配频繁操作场景;
  • 宽电压适配:1.8V~5.5V覆盖主流系统电压;
  • 工业级可靠性:宽温+100年数据保留,适应恶劣环境;
  • 高性价比:国产芯片成本低于进口品牌(如ATMEL AT24C02)。

六、注意事项

  1. 地址设置:A0-A2需根据系统多设备需求设置不同地址,避免冲突;
  2. 写保护:WP引脚建议接硬件开关或MCU控制,防止误写入;
  3. 电压范围:确保系统供电在1.8V~5.5V之间,避免过压损坏;
  4. 时钟频率:I2C时钟不超过1MHz,符合快模式规范。

FT24C02A-KSR-T凭借小容量、高可靠、宽适配的特性,成为嵌入式系统中存储关键小数据的优选方案,尤其适合对成本、可靠性有双重要求的应用场景。

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