WMSIC Electronic Components

Infineon FM25L16B-GTR FM25L16B

ModelFM25L16B-GTR
PackageSOIC-8
BrandInfineon
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
Infineon FM25L16B-GTR
Type
SOIC-8
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
FM25L16B-GTR
Electronic Component
1
Package
SOIC-8
Electronic Component
FRAM
Electronic Component
0.108g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0257689270
Electronic Component
16Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~3.6V
Operating Current
3mA
Current
3uA
Interface Type
SPI

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

FM25L16B-GTR 产品概述

一、产品简介

FM25L16B-GTR 是英飞凌(Infineon)推出的一款 SPI 接口的 F-RAM(铁电随机存取存储器),存储容量 16Kbit(2KB),封装为 SOIC-8。该器件在 2.7V~3.6V 电源范围内工作,最高时钟频率可达 20MHz,兼顾高读写速度与极低功耗,特别适合需要频繁写入且关注数据完整性的工业级及嵌入式应用。

二、主要性能特点

  • 存储容量:16Kbit(2KB),非易失性。
  • 接口:标准 SPI 串行接口,最高时钟频率 20MHz,方便与 MCU/FPGA 直接连接。
  • 工作电压与电流:VCC 2.7V~3.6V,工作电流典型值约 3mA,待机电流仅 3µA,利于低功耗设计。
  • 环境适应性:工作温度范围 -40℃~+85℃,满足工业级温度需求。
  • 超长寿命与数据保持:擦写寿命极高(用户提供值 1×10^14 次),数据保持(TDR)约 151 年,适合长期可靠存储。
  • 功能特性:提供工作状态指示机制(可通过状态寄存器或读命令查询设备就绪/写入状态),无需像 Flash/EEPROM 那样进行擦除周期管理,写入速度快且功耗低。

三、接口与封装说明

FM25L16B-GTR 使用 SOIC-8 封装,封装引脚对应标准 SPI 信号(CS/SS、SCLK、MOSI/DI、MISO/DO),并带有写保护(WP)与挂起(HOLD)等控制引脚,便于在系统中实现片选、保护与多主设备通信管理。器件兼容常见 SPI 时序,便于在现有设计中替换或升级存储方案。

四、应用场景

  • 工业控制与自动化:记录配置参数、事件日志及累计值(如计量数据)。
  • 智能电表与仪表:高频写入的计量数据与状态快照存储。
  • 汽车电子(非安全关键域):对抗频繁写入需求且需长时间数据保持的场合。
  • 医疗设备与可穿戴设备:低功耗、快速写入的参数或日志存储。
  • 配置与校准数据保存:无需复杂的擦写逻辑即可实现频繁更新。

五、设计注意事项

  • 去耦与电源完整性:在 VCC 与 GND 之间靠近器件放置 0.1µF 陶瓷去耦电容,抑制瞬态电流。
  • 电平兼容性:该器件工作于 2.7V~3.6V,若系统为 5V 信号,需使用电平转换电路以保护引脚。
  • SPI 时序与片选:关闭状态下确保 CS 拉高;在多器件总线设计时,注意 WP/HOLD 引脚的复位电平,避免误操作。
  • 写保护策略:若需要防止意外写入,建议使用 WP 引脚进行硬件保护并配合软件锁定机制。
  • 与 EEPROM/Flash 的对比:F-RAM 适合高频写入与低能耗场景,但容量密度较低,需根据数据量与成本权衡选择。

六、关键电气参数(便览)

  • 存储容量:16Kbit(2KB)
  • 接口:SPI,最高 20MHz
  • 工作电压:2.7V ~ 3.6V
  • 工作电流:约 3mA
  • 待机电流:约 3µA
  • 工作温度:-40℃ ~ +85℃
  • 擦写寿命:约 1×10^14 次(用户数据)
  • 数据保持(TDR):约 151 年(用户数据)
  • 封装:SOIC-8
  • 功能:工作状态指示(通过状态寄存器/读命令查询)

结论:FM25L16B-GTR 以其极高的擦写寿命、快速写入与超低待机功耗,适合需要频繁写入且要求长期可靠保存数据的嵌入式与工业场景。设计时注意电源去耦、电平匹配及写保护即可较为顺利地集成入现有系统。若需更高容量或额外功能,可考虑同系列或厂商的其他规格型号。

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