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DS1305 from DS,MAXIM - Dallas Semiconductor

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DS1305

Manufacturer: DS

Serial Alarm Real Time Clock (RTC)

Partnumber Manufacturer Quantity Availability
DS1305 DS 94 In Stock

Description and Introduction

Serial Alarm Real Time Clock (RTC) The DS1305 is a serial real-time clock (RTC) manufactured by Maxim Integrated (formerly Dallas Semiconductor). Here are its key specifications:

1. **Interface**:  
   - SPI (Serial Peripheral Interface) and 3-wire interface compatible.  

2. **Timekeeping Features**:  
   - Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation (up to 2100).  
   - 12-hour or 24-hour format.  

3. **Memory**:  
   - 96 bytes of battery-backed NV SRAM.  

4. **Power Supply**:  
   - Operates from 2.0V to 5.5V.  
   - Battery backup for continuous timekeeping.  

5. **Clock Accuracy**:  
   - ±2ppm from 0°C to +40°C.  
   - ±7ppm from -40°C to +85°C.  

6. **Alarms**:  
   - Two time-of-day alarms.  

7. **Package Options**:  
   - 20-pin SOIC and 20-pin TSSOP.  

8. **Additional Features**:  
   - Trickle charger for backup battery.  
   - Programmable square-wave output.  

For exact details, refer to the official datasheet from Maxim Integrated.

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