WMSIC Electronic Components

MICROCHIP 24CW640T-I/OT 24CW640T

Model24CW640T-I/OT
PackageSOT-23-5
BrandMICROCHIP
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP 24CW640T-I / OT
Type
MICROCHIP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
24CW640T-I/OT
Electronic Component
1
Package
SOT-23-5
Electronic Component
EEPROM
Electronic Component
0.023g
Electronic Component
1
Features
Built-in positions(POR)
Electronic Component
BM0227377088
Electronic Component
64Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.6V~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.

24CW640T-I/OT 产品概述

一、产品简介

24CW640T-I/OT 是 MICROCHIP(美国微芯)推出的一款工业级 I2C 接口 EEPROM,容量 64Kbit(8K 字节),工作温度范围 -40℃ ~ +85℃,工作电压宽范围 1.6V ~ 5.5V,封装为 SOT-23-5。器件支持高达 1MHz 的时钟频率,适用于对非易失性存储可靠性和低电压兼容性有较高要求的嵌入式系统。

二、关键特性

  • 存储容量:64Kbit(8K 字节),满足固件参数、校准数据、序列号等存储需求。
  • 接口类型:I2C,总线简洁,易于多设备扩展,支持最高 1MHz 时钟(Fast-mode Plus)。
  • 电源范围:1.6V ~ 5.5V,兼容低压和传统 5V 系统。
  • 工作温度:-40℃ ~ +85℃,满足工业级温度要求。
  • 数据保留(TDR):200 年(典型或设计目标),适合长期数据保存应用。
  • 写周期寿命:高达 100 万次,适合频繁写入场合。
  • 单次写周期时间(Tw):典型 5ms,写入完成需等待内部写入操作完成或使用 ACK 轮询确认。
  • 封装:SOT-23-5,体积小,适合空间受限的 PCB 设计。

三、应用场景

  • 工业控制器与自动化设备:参数保存、设备识别与固件配置。
  • 消费电子与便携设备:校准数据、用户设置、系统参数备份。
  • 医疗设备与计量仪表:长期数据保存、可靠性要求高的记录存储。
  • 汽车电子(非高级车规):适用温度等级下的配件设备参数存储(请按项目验证)。

四、使用建议与可靠性要点

  • 写操作:单次写操作的内部写入时间约为 5ms,建议在写入后使用 ACK/NACK 或器件忙等待机制来确认写入完成,避免在写入期间发起新事务。
  • 电源与旁路:为保证数据完整性和稳定通信,靠近器件放置 0.1µF 陶瓷旁路电容以滤除电源噪声。
  • ESD 与焊接:SOT-23-5 属小型封装,注意防静电保护和推荐的回流焊温度曲线,焊接时遵循供应商热循环规范以保证封装可靠性。
  • 数据保留与擦写:尽管器件额定数据保留可达 200 年,实际寿命受写入次数和环境影响,设计时应结合写入策略与冗余机制提高系统健壮性。

五、器件获取与支持

型号:24CW640T-I/OT;品牌:MICROCHIP(美国微芯);封装:SOT-23-5。有关电气参数、引脚定义、时序图、编程示例及 PCB 布局建议,请参考 MICROCHIP 官方数据手册与应用笔记,以确保在目标系统中的正确使用与验证。

如需更详细的时序参数、地址设定或样片购买建议,可提供进一步技术支持与推荐的参考资料。

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