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DS1306

Serial Alarm Real Time Clock (RTC)

Partnumber Manufacturer Quantity Availability
DS1306 3 In Stock

Description and Introduction

Serial Alarm Real Time Clock (RTC) The DS1306 is a serial real-time clock (RTC) manufactured by Maxim Integrated (formerly Dallas Semiconductor). Below are its key specifications:

- **Interface**: SPI (Serial Peripheral Interface)  
- **Operating Voltage**: 2.0V to 5.5V  
- **Timekeeping Current**: <300nA (at 2.0V)  
- **Clock Accuracy**: ±2ppm from 0°C to +40°C  
- **Temperature Range**: -40°C to +85°C  
- **Timekeeping Features**: Seconds, minutes, hours, day, date, month, year (with leap year compensation up to 2100)  
- **Alarms**: Two programmable time-of-day alarms  
- **Backup Power**: Supports battery backup (VBAT) for continuous timekeeping  
- **Trickle Charger**: Built-in trickle charger for rechargeable batteries  
- **Package Options**: 20-pin SOIC, 20-pin TSSOP  
- **Additional Features**: 96 bytes of battery-backed NV RAM, programmable square-wave output  

For detailed electrical characteristics and timing diagrams, refer to the official datasheet from Maxim Integrated.

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