WMSIC Electronic Components

XBLW 24C02N

Model24C02N(XBLW)
PackageDIP-8
BrandXBLW
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
XBLW 24C02N(XBLW)
Type
XBLW
Minimum package
50 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
24C02N(XBLW)
Electronic Component
1
Package
DIP-8
Electronic Component
EEPROM
Electronic Component
0.84g
Electronic Component
1
Features
Built-in positions(POR)
Electronic Component
BM0265621946
Electronic Component
2Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.8V~5.5V
Interface Type
I2C
Electronic Component
100
Clock Frequency(fc)
1MHz

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

24C02N(XBLW) 串行EEPROM产品概述

一、产品定位与核心特性

24C02N(XBLW)是芯伯乐(XBLW)推出的小容量串行EEPROM,聚焦2Kbit(256字节)非易失存储场景,以I2C两线接口为核心,适配工业、消费电子等多领域需求。核心特性可概括为“三宽两高”:宽电压(1.8V5.5V)、宽温度(-40℃85℃)、宽兼容性(主流单片机/MCU);高可靠性(100年数据保留)、高耐用性(100万次写周期)。

二、关键参数深度解析

  1. 存储容量:标称2Kbit(2048位),实际为256字节(1字节=8位),可存储128个16位参数、256个8位数据,或64个32位ID,满足多数设备的基础配置存储需求;
  2. 接口与速率:采用I2C串行接口,支持最高1MHz时钟频率(高速I2C模式),单总线可级联多片,节省系统引脚资源;
  3. 电气特性:工作电压覆盖1.8V~5.5V,兼容3.3V/5V单片机(如STM32、51系列)及低功耗IoT设备;写周期时间仅5ms,写入后无需等待长时间即可正常读取;
  4. 可靠性指标:数据保留时间达100年(常温环境下),写周期寿命100万次(远高于普通EEPROM的10万次级别),可应对频繁参数修改场景;
  5. 环境适应性:工作温度范围-40℃~+85℃,符合工业级标准,可在低温车间、户外设备等 harsh 环境稳定运行。

三、封装与接口设计

24C02N采用DIP-8直插封装,引脚布局清晰,便于手工焊接与原型开发,具体引脚功能如下:

  • 地址引脚(A0/A1/A2):3位地址配置,可实现8个不同设备地址,同一I2C总线最多级联8片;
  • 数据时钟(SDA/SCL):I2C两线接口,支持双向数据传输;
  • 写保护(WP):高电平有效时禁止写入,防止误操作覆盖存储数据;
  • 电源地(VCC/GND):对应工作电压输入与接地。

I2C接口优势显著:仅需2根线即可实现多设备通信,无需额外地址总线,大幅简化系统布线。

四、典型应用场景

24C02N的小容量、高可靠特性,使其成为以下场景的优选存储器件:

  1. 工业控制:PLC模块、传感器节点存储校准参数(如温度传感器偏移量)、设备ID;
  2. 消费电子:智能遥控器存储按键映射、家电存储定时设置(如空调温度预设);
  3. 物联网设备:低功耗传感器(如温湿度、光照)存储节点ID、通信参数,支持离线配置;
  4. 通信终端:小型交换机、路由器存储MAC地址、固件版本号;
  5. 车载子系统:车载充电器、仪表盘辅助存储临时配置(适配-40℃~85℃环境)。

五、使用注意事项

  1. 地址配置:A0/A1/A2需通过接VCC或GND设置唯一地址,避免同一总线地址冲突;
  2. 写操作规范:写入数据时需等待5ms写周期完成,期间若中断可能导致数据错误;
  3. 写保护使用:正常运行时建议将WP引脚接高电平(禁止写入),仅需修改参数时临时拉低;
  4. 电压匹配:确保VCC输入在1.8V~5.5V范围内,避免过压损坏器件;
  5. 级联限制:因A0/A1/A2仅3位地址,同一I2C总线最多级联8片,如需更多需扩展地址线。

六、总结

24C02N(XBLW)作为一款工业级小容量EEPROM,以高性价比、强可靠性覆盖了从消费电子到工业控制的多场景需求。其I2C接口的灵活性、宽电压/温度的适应性,以及100万次写周期的耐用性,使其成为设备基础配置存储的“可靠配角”——无需复杂功能,却能稳定承载核心数据,降低系统设计复杂度。

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