Model & package intelligence
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HGSEMI AT24C02AM/TR AT24C02AM
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HGSEMI AT24C02AM / TR
- Type
- HGSEMI
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- AT24C02AM/TR
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- EEPROM
- Electronic Component
- 0.077g
- Electronic Component
- 1
- Electronic Component
- BM0230144335
- Electronic Component
- 2Kbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.8V~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.
AT24C02AM/TR 产品概述
一、主要规格与性能
AT24C02AM/TR 是华冠（HGSEMI）推出的一款小容量串行 EEPROM，容量为 2Kbit（256 × 8 位）。器件采用标准 I2C 双线接口，支持最高 400kHz 的时钟频率（Fast-mode），工作电压范围宽，1.8V 至 5.5V，适配多种供电方案。工作温度范围为 -40°C 到 +85°C，数据保留（TDR）可达 100 年，写周期寿命高达 1,000,000 次，典型字节写周期时间 Tw 为 5ms。封装为常见的 SOP-8，便于在工业与消费电子中采用。
二、主要特性与优势
- 宽电压范围（1.8V–5.5V）：兼容不同逻辑电平与系统电源，方便电源管理设计。
- 标准 I2C 接口：使用两线（SDA、SCL）通信，节省引脚资源，支持总线多器件互联。
- 高耐久与长保持性：写周期寿命 1,000,000 次，数据保留 100 年，适合长期存储配置、校准参数与序列号等关键信息。
- 快速访问：支持高达 400kHz 的 I2C 时钟，可满足大多数控制器与传感器数据同步需求。
- 封装通用：SOP-8 封装便于波峰焊或回流焊装配，适合中小批量与自动化生产。
三、典型应用场景
- 工业控制：保存设备参数、校准常数、故障日志和序列号。
- 消费电子：保存用户设置、配置数据、设备识别信息。
- 物联网节点与传感器：用于本地存储配置信息与固件参数，低功耗系统易于集成。
- 汽车电子（符合温度等级的非车规场景）：存储维护记录或非关键配置数据。
四、封装与接口说明
AT24C02AM/TR 提供 SOP-8 封装，脚位定义遵循常规 I2C EEPROM 设计：VCC、GND、SDA、SCL 及必要的地址/写保护引脚（具体引脚功能请参照器件脚位图）。SOP-8 便于 PCB 布局与自动化生产，兼容常见插装工艺。
五、设计与使用建议
- 上拉电阻：SDA 与 SCL 线需配备适当上拉电阻，典型值 2.2kΩ–10kΩ，根据信号速率与总线负载调整。
- 写入优化：尽量使用页写操作以减少总线占用与写入次数（页大小以实际器件规格为准）。对频繁写入的应用考虑使用磨损均衡策略（wear leveling）。
- 电源管理：写入期间需确保 VCC 稳定且不可中断，避免写入中断导致数据损坏。
- 热管理与可靠性：在高温环境下应关注器件最大工作温度与系统散热，保证长期稳定性。
六、典型时序与可靠性指标
- 时钟频率：最大 400kHz（Fast-mode）。
- 单字节/页写周期时间 Tw：典型 5ms（写入操作完成前主控应等待或轮询器件响应）。
- 数据保留（TDR）：100 年。
- 擦写/写周期耐久度：1,000,000 次。
总结：AT24C02AM/TR 以其宽电压、长数据保持、耐久性与标准 I2C 接口，适合各类需要可靠小容量非易失存储的应用。选型时请结合具体页写大小、引脚定义与应用环境参照华冠提供的正式数据手册进行详细设计与验证。
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