WMSIC Electronic Components

FMD FT25C32A-USR-T FT25C32A

ModelFT25C32A-USR-T
PackageSOP-8
BrandFMD
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
FMD FT25C32A-USR-T
Type
FMD
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FMD
Electronic Component
FT25C32A-USR-T
Electronic Component
1
Package
SOP-8
Electronic Component
EEPROM
Electronic Component
0.136g
Electronic Component
1
Features
Built-in Latch(WEL)
Electronic Component
BM0264213167
Electronic Component
32Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.8V~5.5V
Interface Type
SPI
Electronic Component
100
Clock Frequency(fc)
20MHz

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FT25C32A-USR-T SPI EEPROM 产品概述

一、产品基本定位

FT25C32A-USR-T是辉芒微(FMD)推出的工业级串行EEPROM,采用SPI接口,存储容量为32Kbit(换算为4KBytes),核心用于嵌入式系统的非易失性数据存储。作为断电后仍能长期保留数据的存储器件,它无需额外电源维持数据,是替代传统并行EEPROM的高效选择,适配对体积、功耗、可靠性有要求的场景。

二、核心技术参数详解

该产品的参数直接决定其适用边界,具体解析如下:

2.1 存储与接口特性

  • 存储容量:32Kbit(4KBytes),支持字节级随机读写及页写入(每页32Byte),适合存储小容量配置参数、校准数据、设备ID等;
  • 接口类型:标准SPI(Serial Peripheral Interface),仅需4根核心引脚(CS、SCK、SI、SO),相比并行接口减少60%以上引脚占用,简化PCB布线;
  • 时钟频率:最大支持20MHz高速SPI通信,可满足多数嵌入式系统的读写效率需求,避免数据传输瓶颈。

2.2 电气与可靠性参数

  • 工作电压:1.8V~5.5V宽电压范围,兼容1.8V低功耗IoT芯片、3.3V主流MCU(如STM32、ATmega)及5V传统工业系统,无需额外电平转换电路;
  • 写性能:写周期时间(Tw)为5ms(页写入完成时间),写周期寿命达100万次,支持频繁编程操作,满足工业设备长期运行需求;
  • 可靠性:数据保留时间(TDR)达100年,即使长期断电仍能稳定保存数据;工作温度范围为-40℃~+85℃,符合工业级环境要求,可在 harsh 场景(户外传感器、工厂车间)中可靠工作。

2.3 封装形式

采用SOP-8贴片封装,尺寸紧凑(5.2mm×6.4mm),便于高密度PCB布局;引脚定义遵循行业通用标准(含CS、SO、SI、SCK、WP、HOLD、VCC、GND),工程师可快速对接现有系统。

三、典型应用场景

FT25C32A-USR-T的参数特性使其在多个领域具有广泛适配性:

  1. 工业控制:PLC、电机驱动器、工业传感器节点存储配置参数、校准数据,宽温及高可靠性适配工厂环境;
  2. 消费电子与IoT:可穿戴设备(智能手环)存储用户设置、传感器校准值;智能家居(智能插座)存储网络配置;
  3. 通信设备:路由器、交换机存储MAC地址、固件版本、网络参数,SPI高速接口满足批量读写需求;
  4. 汽车辅助系统:行车记录仪、胎压监测存储设备信息,工业级温宽适配车内温度变化。

四、产品优势总结

相比同类SPI EEPROM,FT25C32A-USR-T具有以下突出优势:

  • 宽电压覆盖:1.8V~5.5V无需电平转换,适配更多MCU平台;
  • 高可靠性:100年数据保留+100万次写寿命,远超多数工业级要求;
  • 通用兼容性:标准SPI接口+SOP-8封装,与主流MCU无缝对接;
  • 品牌保障:辉芒微作为国内知名半导体厂商,产品质量稳定,售后支持完善。

五、使用注意事项

为确保可靠工作,需注意以下几点:

  1. 写操作时序:执行页写入后需等待5ms写周期完成,避免重复写入导致数据错误;
  2. 电压匹配:严禁超压(>5.5V)或欠压(<1.8V),避免损坏器件;
  3. 焊接工艺:SOP-8需采用贴片回流焊,避免手工焊接虚焊;
  4. 温宽适配:若场景温度超出-40℃~+85℃,需选择汽车级或扩展温宽型号。

该产品凭借高可靠性、宽适配性及通用接口,成为嵌入式系统非易失性存储的主流选择之一。

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