WMSIC Electronic Components

MICROCHIP 24FC512T-I/SN 24FC512T

Model24FC512T-I/SN
PackageSOIC-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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MICROCHIP 24FC512T-I / SN
Type
MICROCHIP
Minimum package
3300 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
24FC512T-I/SN
Electronic Component
1
Package
SOIC-8
Electronic Component
EEPROM
Electronic Component
0.158g
Electronic Component
1
Electronic Component
BM0228712950
Electronic Component
512Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.7V~5.5V
Interface Type
I2C
Electronic Component
100
Clock Frequency(fc)
1MHz
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.

24FC512T-I/SN 产品概述

一、产品简介

24FC512T-I/SN 是 MICROCHIP(美国微芯)推出的一款高可靠性串行 EEPROM 存储器,容量为 512Kbit(组织形式为 64K × 8)。器件采用标准 I²C 接口,最高支持 1MHz 时钟通信速率,并以 8-SOIC 封装(SOIC-8)提供,适用于各种对非易失性参数存储、配置保存和日志记录有严格可靠性与长期保持需求的电子系统。

该器件强调长期数据保留与高写入耐久性:数据保留时间(TDR)长达 200 年,写周期寿命高达 1,000,000 次;写入周期时间(Tw)典型值约为 5 ms。器件支持宽电源电压范围(1.7V ~ 5.5V),工作温度范围为 -40 ℃ ~ +85 ℃,并具备噪声抑制及硬件写保护功能,适合工业级与嵌入式应用场景。

二、主要技术参数

  • 存储容量:512 Kbit(64K × 8)
  • 通信接口:I²C,最高时钟频率 fc = 1 MHz
  • 快速读出:给出项中出现的 400 ns 表示器件具备快速响应能力(用于快速访问场景)
  • 写周期时间(Tw):典型 5 ms(字节或页面写入完成所需时间)
  • 写周期寿命:1,000,000 次(典型耐久)
  • 数据保留(TDR):200 年
  • 电源电压:1.7 V ~ 5.5 V(单电源)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 特性:噪声抑制功能、硬件写保护(WP)功能
  • 封装:SOIC-8(8 引脚)

三、功能特点

  • 宽压供电兼容性:1.7 V 至 5.5 V 的供电范围便于与多种微控制器及系统电压域直接连接,减少电平转换需求。
  • 高速 I²C 通信:支持高达 1 MHz 的 I²C 时钟,能满足对快速配置读取和批量数据下载的需求。
  • 强化数据可靠性:极长的数据保留(200 年)与百万次的写入寿命,使其适合需长期保留校准参数、序列号、校验数据或历史日志的场合。
  • 噪声抑制:内建噪声抑制功能,有利于在电磁环境复杂或有较强总线活动的系统中可靠通信。
  • 硬件写保护:器件提供硬件写保护引脚,可通过外部逻辑直接禁止写操作,保护关键参数不被误写或被恶意覆盖。

四、典型应用场景

  • 工业控制与自动化:设备配置、校准常数、设备身份信息长期保存。
  • 智能计量与能源管理:计量数据校准参数与历史记录备份。
  • 消费类与便携设备:配置参数、用户偏好、序列号与固件校验信息存储。
  • 汽车电子(符合温度等级要求的子系统):非关键控制单元的长期参数保存(需按系统认证要求评估)。
  • 医疗电子与仪器仪表:参数配置和长期可靠性要求的记录保存。

五、设计与使用注意事项

  • 电源旁路:在电源引脚附近放置合适的去耦电容,抑制电源噪声,确保 I²C 总线通信稳定。
  • I²C 拉电阻:根据总线容量和通信速率合理选择 SDA/SCL 的上拉电阻,确保在 1 MHz 下可靠通信。
  • 写周期管理:写入操作后应遵循器件写周期时间(Tw ≈ 5 ms)完成内部写入,避免在写入完成前发起新的写操作;可使用软件轮询或 ACK 检查方式判定写入完成。
  • 硬件写保护:在需要保护关键数据时,利用 WP 引脚进行外部保护;系统设计应保证在关键模式下 WP 被正确驱动。
  • 温度与寿命评估:在极端环境或高写入频率场景下,结合写入寿命(1,000,000 次)与工作温度范围评估长期可靠性与维护周期。

六、封装与采购信息

  • 型号:24FC512T-I/SN(MICROCHIP)
  • 封装:SOIC-8,适合标准 PCB 插装与自动贴装/回流焊工艺。
  • 订购时请核对完整型号和包装方式(卷带、散装等),并参考厂商数据手册以获取详细电气、时序和可靠性规范。

总结:24FC512T-I/SN 将大容量、低功耗与高可靠性结合,适用于需要长期保存关键数据信息并且对写入寿命有较高要求的嵌入式与工业场景。在设计时关注电源完整性、I²C 布线与写入时序,可充分发挥其在可靠性和稳定性方面的优势。若需进一步的电气特性、时序图或参考电路,请参考 MICROCHIP 官方数据手册。

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