WMSIC Electronic Components

ADI/LINEAR DS24B33S+T&R DS24B33S

ModelDS24B33S+T&R
PackageSOIC-8-208mil
BrandADI/LINEAR
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
ADI(Analog Devices) / LINEAR DS24B33S+T&R
Type
ADI/LINEAR
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
DS24B33S+T&R
Electronic Component
1
Package
SOIC-8-208mil
Electronic Component
EEPROM
Electronic Component
0.5g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0264354599
Electronic Component
4Kbit
Operating Temperature
40℃~+85℃
Operating Voltage
2.88V~5.25V
Interface Type
Bus
Electronic Component
20
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.

DS24B33S+T&R 4Kbit单总线EEPROM产品概述

DS24B33S+T&R是亚德诺(ADI)旗下的串行EEPROM器件,采用单总线接口设计,以4Kbit存储容量为核心,结合宽电压范围、高可靠性及小型化封装,适配工业、消费电子等多领域的参数存储需求。

一、核心特性总览

该器件的核心参数可支撑多种应用场景,关键特性包括:

  • 存储结构:4Kbit总容量,具体为16×256位(16页,每页256字节),支持字节级读取与页级写入;
  • 接口类型:单总线(1-Wire®),仅需1根数据线即可实现双向通信,配合电源、地引脚完成全部功能;
  • 电气范围:工作电压覆盖2.88V~5.25V,兼容3.3V、5V主流嵌入式电源;
  • 可靠性指标:写周期寿命20万次,数据保留时间40年,工作温度范围**-40℃~+85℃**(工业级宽温);
  • 封装形式:WSOIC 8引脚小型贴片封装,尺寸紧凑,适配高密度PCB布局。

二、单总线接口的设计优势

单总线是该器件的核心设计亮点,相比I2C、SPI等串行接口,具备以下优势:

  1. 布线简化:仅需1根数据线(DQ)+ 电源(VCC)+ 地(GND) 即可通信,大幅减少PCB布线资源与引脚占用(WSOIC 8引脚中仅1个数据引脚);
  2. 多设备兼容:每个器件内置64位唯一ID(含工厂预编程序列号),支持多器件并联在同一单总线上,通过ID寻址实现并行通信,适合传感器网络、分布式存储场景;
  3. 低成本适配:无需额外电平转换电路,可直接对接MCU的GPIO(部分MCU自带单总线控制器,如ADI旗下MAXQ系列)。

三、电气性能与操作效率

  1. 宽电压兼容性:2.88V~5.25V的电压范围,覆盖工业控制(5V)、便携式设备(3.3V)等不同电源系统,降低系统设计复杂度;
  2. 快速写入:写周期时间(Tw)仅2ms,支持页写入(最多256字节/页),可快速完成配置参数、校准数据等写入操作;
  3. 工业级温度适应:-40℃~+85℃的工作温度,满足户外设备、车间控制等恶劣环境下的稳定运行,无需额外温控设计。

四、可靠性与耐久性保障

EEPROM的可靠性直接影响系统稳定性,DS24B33S+T&R在这方面表现突出:

  • 写周期寿命:20万次写入/擦除循环,可支撑频繁更新配置参数(如传感器校准值、设备固件版本)的应用;
  • 数据保留:40年数据保留时间,即使长期断电也能稳定存储关键数据(如设备ID、生产批次),无需定期刷新;
  • 抗干扰设计:单总线协议内置CRC校验功能,可有效降低通信过程中的数据错误率,提升系统可靠性。

五、典型应用场景

该器件凭借小型化、高可靠性等特点,广泛应用于以下领域:

  1. 工业传感器:存储温度、压力传感器的校准参数,提升测量精度;
  2. 消费电子:机顶盒、智能家居设备的配置存储(如WiFi密码、设备设置);
  3. 医疗设备:小型化监护仪、血糖仪的参数存储,适配空间限制;
  4. 汽车电子:车载传感器、控制器的临时配置存储,满足汽车级温度要求。

六、选型与设计注意事项

  1. 接口匹配:需确认系统支持单总线协议(可通过MCU GPIO模拟,或选用带单总线控制器的MCU);
  2. 电源滤波:电源引脚需并联0.1μF陶瓷电容,抑制电压波动;
  3. 布线要求:单总线数据线尽量短,避免与高频信号线并行,减少电磁干扰。

总结

DS24B33S+T&R以单总线接口的简洁性、宽电压宽温的适应性、高可靠性的存储能力,成为嵌入式系统中参数存储的优选器件,尤其适合空间受限、布线资源紧张的场景。

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