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ADI/LINEAR DS1342U+T&R DS1342U
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR DS1342U+T&R
- Type
- ADI/LINEAR
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- DS1342U+T&R
- Electronic Component
- 1
- Package
- MSOP-8
- Electronic Component
- Real-Time Clock (RTC)
- Electronic Component
- 0.062g
- Electronic Component
- 1
- Features
- Programmable Clock Output
- Electronic Component
- BM0263552326
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.8V~5.5V
- Interface Type
- I2C
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DS1342U+T&R 产品概述
一、产品简介
DS1342U+T&R 是一款基于串行总线的实时时钟（RTC）器件，集成时钟、日历、告警、中断和可编程方波输出功能。器件通过标准I2C（两线）接口实现主机通信，采用8引脚MSOP（uMAX）封装并提供卷带供货（T/R），适合体积受限和自动化贴装的工业与消费类应用。
二、主要特性
- 支持串行I2C通信，兼容常见微控制器接口；
- 提供时钟/日历计时功能，支持秒/分/时/日/月/年等日历信息；
- 内置可编程告警，支持事件触发并产生中断信号；
- 提供可编程方波（Square‑Wave）输出或稳态时钟输出；
- 工作电压范围宽：1.8V 至 5.5V，便于与多种逻辑电平系统配合；
- 工业级工作温度范围：-40℃ 至 +85℃，适应严苛环境。
三、接口与电源
DS1342U 使用标准I2C接口（SDA、SCL），支持主/从通信模式下的寄存器读写与配置。宽电压供给（1.8V–5.5V）可直接与常见微处理器、MCU以及系统电源兼容，简化系统电源设计与电平转换需求。
四、时钟与日历功能
器件实现完整的时钟/日历功能，能够以二进制或BCD格式提供时间与日期数据，并支持闰年处理与月份长度自动校正。系统主控可通过I2C读取当前时间或设置时间基准，满足实时运行与事件记录的需求。
五、告警与中断功能
内置告警寄存器允许用户设置单次或周期性闹钟，当触发条件满足时，器件可通过专用中断引脚向主控发出请求，方便实现定时唤醒、定时采样或报警处理。中断行为与优先级可在寄存器层面配置，增强系统响应的可控性。
六、可编程方波输出
DS1342U 提供可编程方波输出（Square‑Wave/Clock Out），用户可选择不同频率或输出模式以作为系统时钟基准、脉冲源或心跳信号。该输出可独立配置，便于在不增加外部振荡器的情况下实现简单的定时功能。
七、封装与环境适应性
器件采用MSOP-8（uMAX）小体积封装，适合密集PCB布局与自动化贴装；同时提供卷带（T/R）包装，便于批量生产装配。-40℃ 至 +85℃的工作温度范围使其适用于工业、通信、汽车外围（非车规）及户外设备等环境。
八、典型应用场景
- 嵌入式系统与微控制器时钟源；
- 数据记录与时间戳应用（如记录仪、监控设备）；
- 低功耗传感器节点与定时唤醒系统；
- 工业控制器、仪表与通信终端的实时计时与告警管理；
- 需要可编程方波输出的计时或同步场合。
总结：DS1342U+T&R 以其标准I2C接口、灵活的告警/中断与可编程方波输出，以及宽电压与工业级温度范围，为需要可靠实时时钟功能的设计提供了一个紧凑且兼容性强的解决方案。若需进一步的时序图、寄存器映射或典型接线建议，可参考器件数据手册或联系供应商获取详细资料。
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