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DS1687-3+ from DALLAS,MAXIM - Dallas Semiconductor

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DS1687-3+

Manufacturer: DALLAS

3V/5V Real-Time Clock

Partnumber Manufacturer Quantity Availability
DS1687-3+,DS16873 DALLAS 13 In Stock

Description and Introduction

3V/5V Real-Time Clock The DS1687-3+ is a real-time clock (RTC) with an integrated crystal and battery, manufactured by DALLAS (now part of Maxim Integrated). Here are the key specifications:

1. **Functionality**: Combines a real-time clock, non-volatile RAM, battery, and crystal in a single module.  
2. **Memory**: Includes 114 bytes of non-volatile RAM.  
3. **Timekeeping**: Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation (up to 2100).  
4. **Battery Backup**: Integrated lithium battery maintains data for over 10 years.  
5. **Interface**: Parallel interface compatible with standard microprocessor buses.  
6. **Operating Voltage**: 4.5V to 5.5V (primary supply), switches to battery when power fails.  
7. **Temperature Range**: Commercial (0°C to +70°C).  
8. **Package**: 24-pin DIP module.  
9. **Crystal Frequency**: 32.768 kHz.  
10. **Low-Power Consumption**: Optimized for battery-backed operation.  

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

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