Model & package intelligence
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ADI/LINEAR DS2431X-S+ DS2431X
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR DS2431X-S+
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- DS2431X-S+
- Electronic Component
- 1
- Package
- UCSPR-6(1.7x1.7)
- Electronic Component
- EEPROM
- Electronic Component
- 0.012g
- Electronic Component
- 1
- Electronic Component
- BM0263674038
- Electronic Component
- 1Kbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.8V~5.25V
- Interface Type
- Bus
- Electronic Component
- 20
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DS2431X-S+ 产品概述
一、产品简介
DS2431X-S+ 为 ADI（亚德诺/Linear）系列的 1-Wire 电可擦可编程只读存储器（EEPROM），容量 1024‑bit（即 1Kbit）。器件通过单总线接口实现数据传输与供电，封装为 UCSPR-6（尺寸约 1.7 × 1.7 mm），适合对体积、成本和可靠性有严格要求的嵌入式系统与智能终端应用。
二、主要参数
- 存储容量：1024‑bit（1Kbit）
- 接口类型：单总线（1‑Wire）
- 工作电压：2.8 V ~ 5.25 V
- 工作温度：-40 ℃ ~ +85 ℃
- 写周期时间 (Tw)：典型 10 ms
- 写周期寿命：200,000 次
- 数据保留 (TDR)：40 年
- 封装：UCSPR‑6（1.7 × 1.7 mm）
- 品牌：ADI（亚德诺/Linear）
三、功能特性
- 页写保护功能：支持对存储区域的分区保护，降低误写风险并简化固件/配置管理。
- 噪声抑制功能：在单线长连线或工业噪声环境下提高通信可靠性。
- 单总线供电与通信：节省管脚和PCB空间，便于多设备总线拓扑。
- 宽电压与工业级温度范围：适合工业级和户外设备长期可靠运行。
四、典型应用场景
- 设备唯一标识（序列号、资产标签）与防伪认证
- 配置与校准数据存储（传感器标定、校准曲线）
- 参数保存与固件版本管理
- 智能卡表、抄表终端、门禁、工业控制、物联网节点等需要低功耗、可靠存储的场合
五、系统集成建议
- 拉拔电阻：常配合上拉电阻用于总线复位与时序恢复，典型值可选 4.7 kΩ（根据总线长度与电容适当调整）。
- 去耦电容：若系统供电噪声较大，建议在靠近器件处添加适当容值的去耦电容以稳定 VCC。
- 总线布局：单总线拓扑方便扩展，但长线或多节点时应注意总线电容与时序裕度，必要时采用屏蔽或减少节点密度。
- 写操作安排：考虑到写周期（Tw ≈ 10 ms）与写寿命，频繁写入应采用缓存或批量写策略以延长器件寿命。
- 保护与可靠性：利用页写保护功能锁定关键区域，结合校验与冗余机制可提高数据完整性。
六、封装与可靠性说明
UCSPR‑6 超小封装（1.7 × 1.7 mm）利于高密度 PCB 布局，适合空间受限的模块化设计。器件支持工业温度与长期数据保留（40 年），在正确使用条件下能满足多数嵌入式和工业级应用对寿命及可靠性的要求。
总结：DS2431X-S+ 将小尺寸、单线简洁接口与工业级可靠性结合，适合需要长期可靠存储少量关键数据的产品设计，是用于设备标识、配置与校准存储的经济且稳健的选择。
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