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DS1305E+T&R from MAXIM,MAXIM - Dallas Semiconductor

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DS1305E+T&R

Manufacturer: MAXIM

Serial Alarm Real-Time Clock

Partnumber Manufacturer Quantity Availability
DS1305E+T&R,DS1305ET&R MAXIM 15000 In Stock

Description and Introduction

Serial Alarm Real-Time Clock The DS1305E+T&R is a real-time clock (RTC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications:

1. **Interface**: Serial (SPI)  
2. **Timekeeping Accuracy**: ±2ppm from 0°C to +40°C  
3. **Operating Voltage**: 2.0V to 5.5V  
4. **Battery Backup**: Supports external battery for continuous timekeeping  
5. **Clock Format**: 12-hour or 24-hour  
6. **Date Format**: Day, month, year (with leap year compensation up to 2100)  
7. **Alarms**: Two programmable time-of-day alarms  
8. **Temperature Range**:  
   - Commercial: 0°C to +70°C  
   - Industrial: -40°C to +85°C  
9. **Package**: 20-pin TSSOP (T&R indicates tape and reel packaging)  
10. **Additional Features**:  
    - 96-byte battery-backed user RAM  
    - Trickle charger for backup battery  
    - Power-fail detection  

For exact performance and electrical characteristics, refer to the official datasheet.

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