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MICROCHIP 24AA04T-I/SN 24AA04T
Configuration
1 options
Configuration
22+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MICROCHIP 24AA04T-I / SN
- Type
- MICROCHIP
- Minimum package
- 3300 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- 24AA04T-I/SN
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- EEPROM
- Electronic Component
- 0.001g
- Electronic Component
- 1
- Electronic Component
- BM0257712394
- Electronic Component
- 4Kbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.7V~5.5V
- Interface Type
- I2C
- Electronic Component
- 100
- Clock Frequency(fc)
- 400kHz
- 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.
24AA04T-I/SN 产品概述
一、产品简介
Microchip 24AA04T-I/SN 是一款容量为 4Kbit 的串行 EEPROM，器件以 256×8×2 的逻辑组织方式实现总计 512 字节用户存储。器件采用标准 I²C 双线接口，支持 400kHz 快速模式，封装为 SOIC-8，适合工业级环境（-40℃ 至 +85℃）下的数据保存与配置存储需求。
二、主要技术参数
- 接口类型：I²C（双线：SDA、SCL），最高时钟频率 400kHz。
- 存储容量：4Kbit（逻辑组织 256×8×2）。
- 工作电压：1.7V 至 5.5V，兼容多种低压/单电源系统。
- 写周期时间（Tw）：典型 5ms（每次页/字节写入后需等待写入完成）。
- 数据保留（TDR）：200 年（典型）——极长的数据保存期。
- 写周期寿命：100 万次（高耐久性，适合频繁写入场景）。
- 工作温度范围：-40℃ 至 +85℃。
- 封装：SOIC-8（管脚兼容常见 EEPROM 布局）。
- 典型访问延迟：约 900ns（随机读出响应快速，利于系统快速读取配置数据）。
三、功能与接口说明
24AA04 提供标准 I²C 操作命令（器件识别、读/写、序列与随机读、内部地址指针操作等），支持字节写入与页写入以提高写入效率；器件通常带有写保护（WP）引脚以防止程序意外擦写。通过器件地址位或地址引脚，可在同一总线上并联多个器件以扩展容量或实现分区管理。
四、典型应用场景
- MCU 配置参数、校准系数、设备序列号与版本信息存储；
- 工业设备的长期状态记录与配置备份；
- 启动引导参数、网络设备的持久化设置；
- 低功耗、低电压系统中的小容量数据保存；
- 需要高数据保留和高写入耐久性的嵌入式应用。
五、设计与使用建议
- I²C 总线须配合适阻值的上拉电阻使用，并为 VCC 提供近端去耦电容以保证电源稳定。
- 写入操作后应遵守典型写周期时间（约 5ms），在写入完成前避免断电或再次写入，以防数据损坏。可通过读回或器件忙标志确认写入完成。
- 在需要防止意外写入时使用 WP 引脚（写保护）；总线多设备时注意器件地址规划与冲突避免。
- 若需频繁写入，应合理安排页写（批量写）以降低总写周期次数并延长器件寿命。
- 在系统设计中考虑器件工作温度范围与长期数据保留需求，进行必要的可靠性验证。
六、采购与封装信息
- 品牌：Microchip（美国微芯）。
- 型号：24AA04T-I/SN。
- 封装：SOIC-8，适配常见 PCB 布局与自动贴装工艺。
该器件以其宽电压范围、长数据保留、高耐久性和工业级温度支持，在需要稳定、长期和频繁写入的小容量非易失性存储应用中具有显著优势。若需更详细的电气特性表或引脚图，建议参照 Microchip 官方数据手册以获取完整时序、电流消耗与典型应用电路。
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