WMSIC Electronic Components

XBLW 24C128BN

Model24C128BN(XBLW)
PackageSOP-8
BrandXBLW
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XBLW 24C128BN(XBLW)
Type
XBLW
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XBLW
Electronic Component
24C128BN(XBLW)
Electronic Component
1
Package
SOP-8
Electronic Component
EEPROM
Electronic Component
0.166g
Electronic Component
1
Features
Built-in positions(POR)
Electronic Component
BM0265609049
Electronic Component
128Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
1.8V~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.

24C128BN(XBLW)串行EEPROM产品概述

一、产品基本定位与接口特性

24C128BN是芯伯乐(XBLW)推出的一款128Kbit串行电可擦除可编程只读存储器(EEPROM),核心定位为中小容量、高可靠、高速I2C接口的存储器件,主要用于保存系统配置参数、校准数据、用户设置等需长期保留且可频繁更新的信息。

其采用行业标准I2C串行接口,仅需两根信号线(SDA数据线、SCL时钟线)即可实现双向通信,支持多设备级联(通过A0/A1/A2地址线配置不同设备地址),大幅简化硬件电路设计,降低PCB布线复杂度,适配各类MCU/SoC系统。

二、核心性能参数详解

24C128BN的核心参数覆盖了容量、速率、电压、耐用性等关键维度,具体如下:

  1. 存储容量:128Kbit(换算为16KB),采用页写入机制(通常每页64Byte),支持随机读取和按页写入,满足多数中小型系统的存储需求;
  2. 通信速率:最高时钟频率1MHz,属于高速I2C传输(远超普通EEPROM的400kHz速率),数据传输效率提升约1.5倍,减少系统响应延迟;
  3. 工作电压:1.8V~5.5V宽电压范围,可直接兼容3.3V(主流MCU/SoC电压)和5V(传统单片机)系统,无需额外电平转换电路;
  4. 写入性能:写周期时间(Tw)仅5ms,每个写入操作完成时间不超过5ms,适合需要快速更新配置的场景;
  5. 耐用性:写周期寿命达100万次,是普通EEPROM(通常10万次)的10倍,可支持频繁的参数修改(如工业设备动态配置更新);
  6. 数据保留:数据保留时间(TDR)长达100年,远超行业标准(一般10~20年),长期断电后关键数据仍不丢失;
  7. 温度范围:工作温度-40℃~+85℃,符合工业级温度要求,适应户外、车间等高低温环境。

三、封装与引脚配置

24C128BN采用SOP-8表面贴装封装,尺寸约为5.2mm×6.4mm×1.75mm,体积小巧,适合小型化产品设计(如智能穿戴、小型传感器模块)。引脚功能遵循标准24C系列配置:

  • 1脚(A0):地址线0,可通过硬件跳线配置电平(0/1),实现多设备级联;
  • 2脚(A1):地址线1,与A0/A2配合扩展设备地址数量;
  • 3脚(A2):地址线2,最多支持8个设备挂载同一I2C总线;
  • 4脚(VSS):电源地(GND);
  • 5脚(SDA):I2C数据线,双向传输数据;
  • 6脚(SCL):I2C时钟线,由主机提供时钟信号;
  • 7脚(WP):写保护引脚,高电平有效时禁止写入,防止误擦写;
  • 8脚(VCC):电源输入,连接1.8V~5.5V直流电源。

四、典型应用场景

24C128BN的性能特点使其适用于多领域存储需求:

  1. 工业控制:PLC、电机驱动器、工业传感器的配置参数(增益、阈值)存储,适应车间高低温环境;
  2. 消费电子:智能手环、蓝牙耳机、智能家居设备(智能插座、温湿度传感器)的用户设置(时间、定时)和校准数据存储;
  3. 通信设备:路由器、交换机、无线AP的MAC地址、校准参数存储,高速I2C提升初始化速度;
  4. 医疗电子:小型监护仪、血糖仪的用户ID、少量历史数据存储,宽电压兼容低功耗设计;
  5. 车载电子:行车记录仪、车载充电器的配置参数存储,-40℃~+85℃满足车载环境需求。

五、主要产品优势

与同类128Kbit EEPROM相比,24C128BN具有以下核心优势:

  1. 高速通信:1MHz I2C速率,比普通产品快1.5倍,减少数据传输时间;
  2. 宽电压兼容:1.8V~5.5V覆盖主流系统电压,降低BOM成本;
  3. 高耐用性:100万次写周期,支持频繁参数更新,延长产品寿命;
  4. 长期可靠:100年数据保留,确保关键数据不丢失;
  5. 工业级宽温:-40℃~+85℃适应恶劣环境,拓展应用场景;
  6. 小体积封装:SOP-8适合便携式、小型化产品设计。

24C128BN凭借平衡的性能与成本优势,成为工业、消费电子等领域中小容量存储的优选器件。

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