WMSIC Electronic Components

MICROCHIP 24FC512-I/SN 24FC512

Model24FC512-I/SN
PackageSOP-8
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

20 specifications

Core information

Product name
MICROCHIP 24FC512-I / SN
Type
MICROCHIP
Unit
Electronic Component
Minimum package
100 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
24FC512-I/SN
Electronic Component
1
Package
SOP-8
Electronic Component
EEPROM
Electronic Component
0.16g
Electronic Component
1
Electronic Component
BM0230078575
Electronic Component
512Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.7V~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.

24FC512-I/SN 产品概述

一、产品简介

24FC512-I/SN 是 Microchip(美国微芯)推出的一款工业级 I2C 串行 EEPROM,存储容量为 512Kbit(即 64KB)。器件工作电压范围宽(1.7V ~ 5.5V),支持高达 1MHz 的 I2C 时钟频率,工作温度覆盖工业级 -40℃ ~ +85℃,并采用常用的 SOP-8 封装,便于在多种板级设计中替换与布局。该产品以低电压兼容性、高可靠性和长寿命为主要特性,适合需长期保存重要配置或校准数据的应用场景。

二、关键规格一览

  • 存储容量:512Kbit(等同 64KB)
  • 接口类型:I2C(双线串行总线)
  • 时钟频率 (fc):最高 1MHz(向下兼容常见 100kHz/400kHz)
  • 工作电压:1.7V ~ 5.5V(宽电压兼容)
  • 写周期时间 (Tw):典型 5ms(单次写入完成所需时间)
  • 写周期寿命:1,000,000 次(高耐久)
  • 数据保留 (TDR):200 年(长期数据保存)
  • 工作温度:-40℃ ~ +85℃(工业级)
  • 封装:SOP-8
  • 品牌:MICROCHIP(美国微芯)

三、主要功能与优势

  • 宽电压工作:1.7V 到 5.5V 的供电范围,使其能兼容从低功耗 MCU 到传统 5V 系统的多种平台,便于系统设计和电源管理。
  • 高速 I2C 支持:最高 1MHz 的时钟频率,可在需要较快数据交换的场合缩短通讯时间,同时向后兼容常用的标准/快速模式。
  • 高可靠性与长寿命:1,000,000 次写循环和 200 年数据保持能力,适合需要长期存储配置、校准常数、序列号或固件参数的应用。
  • 工业级温度:-40℃ 至 +85℃,适合工业控制、汽车电子(非 AEC-Q100)和户外设备等苛刻环境。
  • 常见封装便于替换:SOP-8 封装便于波峰焊或手工焊接,适用于小批量与大规模生产。

四、典型应用场景

  • 工业控制器:存储设备参数、校准表、设备配置。
  • 通信设备与网络设备:保存 MAC/EUI 地址、启动配置、日志信息等。
  • 消费电子与便携设备:低压电源系统中的参数存储和设置保持。
  • 仪表与测量设备:长期保存校准数据与历史配置。
  • 智能卡/测控模块:用于需要高写入耐久和极长数据保持期的场合。

五、设计与使用要点

  • 上拉电阻:I2C 总线 SDA/SCL 需外接适当阻值的上拉电阻以保证总线稳定,阻值大小取决于系统总线容量与所需上升时间。
  • 电源滤波:建议在 VCC 与 GND 之间放置去耦电容(如 0.1µF)以抑制电源噪声,保证通信稳定。
  • 写操作管理:器件写周期为约 5ms,连续写入时要考虑写完成等待。推荐使用 ACK 轮询(Acknowledge Polling)或读取状态以判断写操作是否完成,以提高效率并避免不必要的延迟。
  • 数据保护:如需防止意外写入,可配合系统设计使用写保护机制(若板上有 WP 引脚或固件层实现写保护)。
  • 多器件扩展:在同一 I2C 总线上并联多片 EEPROM 时请注意设备地址与总线管理,设计时预留器件地址或地址引脚(视实际封装管脚)以避免冲突。
  • 寿命管理:尽管器件提供高写入寿命,应用中仍应尽量减少不必要的频繁写操作(例如通过缓存、合并写操作或循环日志策略延长系统寿命)。

六、可靠性与环境适应

24FC512-I/SN 在工业温度范围内可稳定工作,适合长期使用场景。器件的高写循环次数与极长的数据保持能力,降低了现场维护频次与数据丢失风险。实际应用时仍建议配合系统级保护措施(如供电监测、上电/断电序列管理)以进一步提升可靠性。

七、封装与订购信息

  • 常见标识:24FC512-I/SN
  • 封装:SOP-8(便于 PCB 布局与波峰/回流焊)
  • 品牌:MICROCHIP(美国微芯) 购买与替换时,请确认温度等级(I = 工业级)和封装代码(SN = SOP-8),以确保与系统设计要求一致。

总结:24FC512-I/SN 以其宽电压、工业级温度、高写入耐久与长期数据保持特性,为需要可靠非易失性存储的嵌入式系统提供了稳定且易集成的解决方案。在设计中合理安排总线、供电与写操作策略,可充分发挥其性能优势。

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