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ADI/LINEAR DS2431+T&R DS2431
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR DS2431+T&R
- Type
- ADI/LINEAR
- Minimum package
- 2000
Technical parameters
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- DS2431+T&R
- Electronic Component
- 1
- Package
- TO-92-3
- Electronic Component
- EEPROM
- Electronic Component
- 0.29g
- Electronic Component
- 1
- Electronic Component
- BM0258859676
- Electronic Component
- 1Kbit
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.8V~5.25V
- Interface Type
- Bus
- Electronic Component
- 20
- Electronic Component
- 2000
- (Tw)
- 10ms
- Data - TDR
- 40
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DS2431 + T&R 产品概述
一、产品概述
DS2431 是 ADI（原 Linear/Maxim）推出的一款 1-Wire 串行接口的电可擦除可编程只读存储器（EEPROM），容量为 1024‑bit（即 128 字节）。本产品以 TO-92-3 外形封装提供，另可按生产需求提供带 T&R（Tape & Reel）包装，便于自动化贴装与批量生产。器件工作可靠，适合存储小容量的序列号、校准数据和配置信息等非易失性数据。
二、主要规格
- 接口类型：单总线（1-Wire），数据和时钟通过单线协议管理（需公共地线）。
- 存储容量：1024‑bit（128 字节）。
- 工作电压：2.8 V ～ 5.25 V。
- 写周期时间（Tw）：10 ms（典型/最大写时间请参考数据手册）。
- 数据保留（TDR）：40 年（典型寿命）。
- 写周期寿命：200,000 次。
- 工作温度范围：-40 ℃ ～ +85 ℃。
- 品牌：ADI（Analog Devices / 原 Linear）。
- 封装：TO-92-3；可选 T&R 包装以支持产线需求。
三、封装与引脚
TO-92-3 为常见的直插式封装，便于手工焊接和低成本样机制作。若批量贴片或自动化装配，推荐选择带 T&R 的封装形式以提高生产效率并减少缺陷率。
四、功能特性与优势
- 单总线（1-Wire）总线拓扑支持多节点并联，节省 I/O 引脚和布线复杂度。
- 宽电源范围（2.8–5.25 V）兼容多种系统电平，适用于 3.3 V 与 5 V 平台。
- 优秀的耐久性（20 万次写周期）和长数据保持时间（40 年），适合长期字段使用与多次更新场景。
- 工业级温度覆盖（-40~+85 ℃），满足严苛环境要求。
五、典型应用
- 设备序列号、身份认证与出厂信息存储。
- 传感器/模块的校准常数与配置参数保存。
- 工业控制器、消费电子、小家电、医疗器械中的非易失性参数维护。
- 需多节点共享同一总线的嵌入式系统设计。
六、使用建议与注意事项
- 使用 1-Wire 总线时，需在主控端提供合适的上拉电阻并考虑总线长度与负载对时序的影响。
- 写操作间遵循 Tw（10 ms）时序并检查写入验证（如果协议/驱动支持）。
- 在极端温度与电压瞬态场合注意增加滤波与过压保护，保证数据完整性。
- 生产测试或量产时，优先选择 T&R 包装提高装配一致性。
七、可靠性与采购信息
DS2431 提供稳定的工业级可靠性指标，适合长期部署。订购时请标注完整型号（例如 DS2431 + T&R，TO-92-3），并向供应商确认包装形式与放行文件。若需进一步的时序图、命令集或封装尺寸图，请参阅 ADI 官方数据手册以获得全部电气与机械细节。
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