Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Infineon FM24W256-GTR FM24W256
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Infineon FM24W256-GTR
- Type
- INFINEON
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- INFINEON
- Electronic Component
- FM24W256-GTR
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- FRAM
- Electronic Component
- 0.304g
- Electronic Component
- 1
- Electronic Component
- BM0258757840
- Electronic Component
- 256Kbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.7V~5.5V
- Operating Current
- 400uA
- Current
- 15uA
- Interface Type
- I2C
- Electronic Component
- 100000000000000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FM24W256-GTR 产品概述
一、主要特性
FM24W256-GTR 是英飞凌（Infineon）FM24W 系列的 256Kbit (32K × 8) 串行 F-RAM，工作电压范围宽（2.7V–5.5V），在 3 μs 写入响应下即可完成单字节写操作。器件采用 SOIC-8 封装，提供高耐用性与快速非易失性数据存储，适合对写入次数与响应时间有严格要求的嵌入式系统。
二、接口与电气性能
该器件通过标准 I2C 总线访问，支持最高时钟频率 1 MHz（Fast/High-speed 模式需参考总线规范与主控能力）。典型工作电流约 400 μA，待机电流仅 15 μA，适合电池供电与低功耗设计。器件逻辑电平随 VCC（2.7V–5.5V）变化，无需额外电平转换（在与不同电压域通信时仍需注意）。
三、可靠性与寿命
F-RAM 的突出优势是极高的擦写耐久性与长期数据保存能力。该型号的擦写寿命可达 1×10^14 次量级，数据保持期理论值可达约 151 年（在典型条件下）。由于不依赖高压擦写或静默周期，F-RAM 在频繁写入场景中能显著优于闪存或 EEPROM。
四、封装与机械特性
FM24W256-GTR 提供 SOIC-8 封装，适合主流 PCB 装配与自动化贴装。封装尺寸与引脚排列符合常见标准，便于替换同类 SPI/I2C 存储器。具体引脚功能与封装图请参考官方数据手册以完成布局与焊盘设计。
五、典型应用场景
- 数据记录仪器：高频写入的传感器数据缓存与日志保存。
- 工业控制：参数配置、校准数据与故障记录。
- 计量与医疗设备：需长期保存关键数据且写入频繁的场景。
- 电池供电与低功耗设备：得益于低待机电流与快速写入特性。
六、设计注意事项
- I2C 总线设计中应按需配置上拉电阻，且上拉值需兼顾总线容量与通信速率。
- 电源去耦：建议在 VCC 与 GND 之间靠近引脚放置 0.1 μF 陶瓷电容以抑制瞬态噪声。
- 温度与可靠性：器件工作温度范围为 -40℃ 至 +85℃，在极端环境下需评估系统级热管理与长期漂移。
- 系统容错：尽管 F-RAM 擦写耐久极高，但建议在关键数据结构上采用校验或冗余设计以提高整体可靠性。
如需进一步的引脚定义、I2C 命令字、时序图或参考电路，请告知，我可基于官方规格书为您整理关键参数与示例电路。
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