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Slkor DS1302Z
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Slkor DS1302Z
- Type
- SLKOR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SLKOR
- Electronic Component
- DS1302Z
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Real-Time Clock (RTC)
- Electronic Component
- 0.19g
- Electronic Component
- 1
- Features
- SRAM / NVRAM
- Electronic Component
- BM0230012856
- Operating Temperature
- 0℃~+70℃
- Operating Voltage
- 2V~5.5V
- Operating Current
- 300nA
- Interface Type
- Interface
- Crystal Oscillator Type
- Electronic Component
- Output
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DS1302Z 产品概述
一、概述
DS1302Z 是一款适用于嵌入式系统的低功耗实时时钟（RTC）器件，隶属于“其他时钟器件”类别，由 Slkor（萨科微）提供，封装为 SOP-8。器件采用三线串行接口与主控通信，需外接晶振实现时间基准，适合对体积、功耗有较高要求的便携或电池备份应用场景。
二、主要规格与特点
- 接口类型：三线串行接口，通信简单、引脚少，便于与单片机或微控制器连接。
- 工作电压：2.0 V ~ 5.5 V，支持单电源宽电压工作，兼容 3.3 V 与 5 V 系统。
- 工作电流：典型值 300 nA（运行或活动模式），非常低的工作电耗，有利于延长电池寿命。
- 静态电流（Iq）：100 nA（待机/静态条件），在长期掉电/备用时同样能保持极低能耗。
- 晶振方式：外置晶振（常用 32.768 kHz 晶体），通过外部晶体提供高精度的时间基准。
- 闹钟输出：无，器件不带独立的闹钟/中断输出口，适用于仅需时间、日历功能的场合。
- 封装：SOP-8，适合传统 PCB 工艺，便于批量生产和焊接。
三、接口与使用要点
三线串行接口通常包含片选（CE）、时钟（SCLK）和数据输入/输出（I/O）三条线。该接口信号线少、时序明确，主控通过时序读写内部寄存器以获得当前时间或设置时间日历。由于器件需外接晶振，建议使用负载电容匹配晶体规格，并按厂商推荐布局以保证时钟稳定性。
四、典型应用场景
- 便携式仪器、手持设备的时间记录与日历维护；
- 工业控制、数据记录设备需要长时可靠时间基准的场合；
- 电池供电或备用电源系统中，作为低功耗时间保存单元；
- 需要与单片机、ARM、DSP 等主控通过简洁接口通信的嵌入式应用。
五、封装与采购信息
品牌：Slkor（萨科微）
封装形式：SOP-8，适配常见插装与贴片制程，便于大批量生产与替换维护。采购时关注器件标识、批次和出厂测试报告，确保与系统的电气、温度规范一致。
六、使用建议与注意事项
- 电源设计：建议在 VCC 处加 0.1 µF 去耦电容并靠近脚位布局，以抑制电源噪声对时钟稳定性的影响。
- 晶振匹配：外置晶振选型常用 32.768 kHz 晶体，注意选用与芯片及封装匹配的负载电容并保证走线短且对称。
- 低功耗管理：利用芯片低静态电流特性，可在长期待机场景下配合电池电路实现超低功耗保存时间。
- 无闹钟输出：若系统需要定时中断或闹钟功能，需要由主控通过读取时间并比较后实现软件中断策略。
- 温度范围：工作温度 0℃ ~ +70℃，适用于一般商业级应用，需在更严苛环境下选择相应等级器件或加温度保护。
总结：DS1302Z 以其宽电压、极低功耗和简单三线接口，适合多类对时间保持有长期低功耗要求的嵌入式应用。设计时注意晶振匹配与电源去耦，可获得稳定可靠的时间基准。
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