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XINLUDA XL1307
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XINLUDA XL1307
- Type
- XINLUDA
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XINLUDA
- Electronic Component
- XL1307
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- Real-Time Clock (RTC)
- Electronic Component
- 0.228g
- Electronic Component
- 1
- Features
- Power Management and Battery; SRAM / NVRAM; Programmable Clock Output
- Electronic Component
- BM0228584648
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~5V
- Operating Current
- 3mA
- Interface Type
- I2C
- 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.
XL1307 产品概述
一 概述
XL1307（XINLUDA 信路达）是一款针对实时时钟（RTC）应用设计的时钟芯片，采用SOP-8封装，支持标准I2C总线通信并需要外置晶振。器件工作电压为4.5V–5V，工作温度范围为-40℃至+85℃，适合工业级电子设备对时间跟踪的长期可靠需求。该型号不带闹钟/振荡输出（无闹钟输出），适用于仅需精确计时与日历功能而不需要外部中断唤醒的场景。
二 主要电气参数
- 工作电压：4.5V ~ 5V
- 工作电流：约3mA（典型运行态）
- 静态电流（Iq）：25nA（超低待机电流）
- 工作温度：-40℃ ~ +85℃
- 晶振：外置（典型为32.768 kHz时钟晶体）
- 接口类型：I2C（需外部上拉电阻）
三 封装与引脚（概要）
器件为SOP-8封装，典型引脚集包含VCC、GND、SDA、SCL以及外置晶体引脚（X1/X2）等。具体引脚排列与功能请参照厂方数据手册或引脚图，以确保正确连线与备用电源（若器件有VBAT引脚）配置。
四 典型应用场景
- 工业控制设备、数据记录仪的时间戳与定时记录
- 嵌入式系统中需要持久计时但非闹钟唤醒的产品
- 需要极低待机耗电的便携或电池供电终端（利用25nA静态电流优势）
五 设计与使用注意事项
- 晶体选择：常用32.768 kHz晶体，注意晶体的负载电容（典型6~12.5pF），并在X1/X2之间直接焊接晶体。
- I2C总线：SDA/SCL需外接上拉电阻，常用4.7kΩ~10kΩ，取决于总线容量与通信速率。
- 电源与去耦：VCC附近应放置0.1µF陶瓷去耦电容，减少供电噪声对时钟精度的影响。
- 备份电源：若需断电保持计时，可选用外部纽扣电池或超级电容并接至备用电源引脚（若芯片版本支持），并设计隔离电路避免工作态时影响主电源。
- 无闹钟输出：器件不提供SQW/闹钟引脚，如需定时唤醒功能需在系统层面通过MCU轮询或外加定时器实现。
六 PCB 布局建议
- 将晶体与X1/X2引脚靠近布置，减少走线长度与回路面积。
- SDA/SCL线路尽量走短并避开强开关噪声源（DC-DC转换器、高频信号线）。
- VCC和GND要有低阻抗回路，GND平面优先，去耦电容靠近VCC引脚焊盘。
七 结论
XL1307以其工业级温度范围、低待机电流和标准I2C接口，适合对稳定计时与超低待机功耗有要求的系统设计。设计时注意晶体选型、I2C上拉与电源去耦等细节，可获得稳定、准确的时钟性能。欲获取完整引脚定义与寄存器说明，请参考XINLUDA官方数据手册。
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