WMSIC Electronic Components

MICROCHIP 24LC32AT-E/OT 24LC32AT

Model24LC32AT-E/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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP 24LC32AT-E / OT
Type
MICROCHIP
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
24LC32AT-E/OT
Electronic Component
1
Package
SOT-23-5
Electronic Component
EEPROM
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0264359417
Electronic Component
32Kbit
Operating Temperature
40℃~+125℃
Operating Voltage
2.5V~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.

Microchip 24LC32AT-E/OT EEPROM产品概述

Microchip 24LC32AT-E/OT是一款专为工业级、汽车级及消费电子嵌入式场景设计的串行EEPROM,依托I2C接口实现高效数据存储,兼具宽电压兼容、高可靠性与紧凑封装等核心优势,可满足不同环境下的长期数据保留与频繁读写需求。

一、产品核心定位

作为Microchip经典24LC系列EEPROM的衍生型号,24LC32AT-E/OT以32Kbit(4KB)存储容量为核心,针对空间受限、环境恶劣的嵌入式应用优化,支持字节级读写与页写操作,兼容标准/高速I2C协议,是替代传统并行EEPROM的理想选择。

二、关键技术参数详解

(1)存储与接口性能

  • 存储容量:32Kbit(即4096字节),支持字节读/写及页写模式(常规32字节页写,适配系统批量数据存储需求);
  • I2C接口:采用串行I2C总线,仅需SCL(时钟)与SDA(数据)两条信号线,兼容400kHz高速模式,可与主流MCU(如PIC、STM32等)的I2C控制器直接对接,无需额外驱动电路;
  • 写周期时间:单次写操作完成时间(Tw)为5ms,行业常规水平,不影响系统实时响应。

(2)电源与功耗

  • 工作电压:覆盖2.5V~5.5V宽范围,兼容3.3V、5V嵌入式系统,无需电平转换模块,简化电路设计;
  • 低功耗特性:待机电流低(典型值μA级),适合电池供电的低功耗IoT节点或穿戴设备。

(3)可靠性参数

  • 写周期寿命:100万次(1×10⁶),可应对频繁数据更新(如传感器校准值、设备运行日志);
  • 数据保留时间:200年(TDR),即使在宽温环境下掉电,数据仍可长期保存,无需电池备份;
  • 工作温度范围:-40℃~+125℃,符合工业级与汽车级环境要求,支持极端温度下的稳定工作。

三、封装与环境适应性

(1)紧凑封装

采用SOT-23-5小型表面贴装封装,尺寸约2.9mm×1.6mm,大幅节省PCB空间,适合小型传感器模块、穿戴设备、汽车电子控制单元等空间受限场景。

(2)宽温可靠性

-40℃~+125℃的工作温度范围,覆盖户外监控、汽车发动机舱、工业现场等恶劣环境,避免因温度变化导致的数据丢失或器件失效。

四、典型应用领域

24LC32AT-E/OT凭借其特性,广泛适用于以下场景:

  1. 工业控制:PLC模块、电机驱动、传感器节点的校准参数、阈值设置存储;
  2. 汽车电子:胎压监测系统(TPMS)、车身控制模块(BCM)的临时数据存储;
  3. 消费电子:智能手环、手表的用户设置、运动数据临时存储;
  4. 物联网:低功耗IoT节点的设备ID、网络配置、传感器数据缓存;
  5. 医疗设备:小型血糖仪、体温计的校准数据、患者信息存储(符合宽温要求)。

五、产品核心优势总结

  1. 宽电压兼容:2.5V~5.5V覆盖主流嵌入式电源,简化电路设计;
  2. 高可靠性:100万次写寿命+200年数据保留,满足长期稳定应用;
  3. 紧凑封装:SOT-23-5节省PCB空间,适配小型化设计;
  4. 宽温适应:-40℃~+125℃满足工业/汽车级恶劣环境;
  5. 高速I2C:400kHz时钟支持快速数据传输,提升系统效率。

这款器件是Microchip针对中容量串行EEPROM市场的成熟产品,经多年验证,可稳定应用于各类对可靠性与空间要求较高的嵌入式系统。

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