WMSIC Electronic Components

HGSEMI AT24C08M/TR AT24C08M

ModelAT24C08M/TR
PackageSOP-8
BrandHGSEMI
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

19 specifications

Core information

Product name
HGSEMI AT24C08M / TR
Type
HGSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
AT24C08M/TR
Electronic Component
1
Package
SOP-8
Electronic Component
EEPROM
Electronic Component
0.31g
Electronic Component
1
Electronic Component
BM0264801307
Electronic Component
8Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.7V~5.5V
Interface Type
I2C
Electronic Component
100
Clock Frequency(fc)
1MHz
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.

AT24C08M/TR 产品概述

一、概述

AT24C08M/TR 是华冠(HGSEMI)推出的一款高可靠性串行 EEPROM 存储器,容量为 8Kbit(1KB),采用标准 I2C 接口,封装为 SOP-8。器件在宽电压范围和工业级温度范围内工作,具备硬件写保护与噪声抑制功能,适合对数据完整性和长期保存有较高要求的应用场景。

二、主要规格参数

  • 接口类型:I2C(兼容标准 I2C 协议)
  • 存储容量:8Kbit(1024 字节)
  • 时钟频率(fc):最高 1 MHz
  • 写周期时间(Tw):5 ms(典型)
  • 数据保持时间(TDR):100 年
  • 写循环寿命:1,000,000 次
  • 工作电压:1.7 V ~ 5.5 V
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:SOP-8
  • 功能特性:硬件写保护、噪声抑制

三、功能特性与优势

  • 硬件写保护:外部写保护引脚可在系统层面实现对 EEPROM 写入的物理禁止,提高数据防篡改能力,适用于安全或关键配置信息存储。
  • 噪声抑制:内置噪声抑制电路,有助于在电磁干扰或总线噪声较大的环境中保持读写可靠性,降低误写入或错误读取的风险。
  • 宽电源与温度范围:1.7 V 至 5.5 V 的供电兼容性以及 -40 ℃ 至 +85 ℃ 的工作温度,使器件适用从低功耗便携设备到工业控制的多种应用。
  • 长寿命与高耐久性:高达 100 万次写循环和 100 年的数据保持能力,适合需长期保存关键参数及多次更新的场合。

四、接口与时序要点

  • 标准 I2C 串行通信,支持最高 1 MHz 时钟频率,可在较高传输速率下完成读写操作(具体时序及 ACK/NACK 规则请参照产品数据手册)。
  • 写操作后需等待写周期完成(Tw ≈ 5 ms),在此期间器件内部完成数据写入与校验,建议主机在发起下一次写操作前确认写完成或使用 ACK polling 方法。
  • 推荐在总线两端使用合适阻值的上拉电阻以确保稳定的信号电平,并注意总线负载与线长对信号完整性的影响。

五、典型应用场景

  • 工业控制与自动化:存储校准参数、配置表与设备标识信息。
  • 消费电子与可穿戴设备:保存用户设置、序列号、设备校准数据。
  • 医疗仪器与计量设备:记录长期保存的配置信息与校准历史。
  • 物联网终端与嵌入式系统:固件外的参数存储、故障记录与设备配置信息。

六、设计与使用注意事项

  • 写保护使用:在需防止误写入时,将写保护引脚拉到相应电平;系统启动或升级时根据需求临时解除保护。
  • 写周期管理:为延长器件寿命和保证数据一致性,应避免不必要的频繁写入,必要时可在软件层实现写入合并与磨损均衡。
  • 电磁兼容:尽管器件具备噪声抑制功能,建议在高速或噪声环境中做好总线屏蔽、合理布线与去耦,以提高传输可靠性。
  • 参考数据手册:分页写入大小、器件地址配置和具体时序等详细信息请以官方数据手册为准,以确保兼容性与最佳性能。

七、总结

AT24C08M/TR 以其宽电压兼容、工业级温度范围、高耐久性与数据保持能力,结合硬件写保护和噪声抑制设计,是一款适合多场景应用的高可靠性 8Kbit I2C EEPROM。其 SOP-8 封装和标准接口便于在现有设计中快速替换或集成,满足长期保存与频繁读写的存储需求。

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