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DS12885Q from DALLAS,MAXIM - Dallas Semiconductor

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DS12885Q

Manufacturer: DALLAS

Real-time clock, 14 bytes of clock and control registers, 114 bytes of general purpose RAM

Partnumber Manufacturer Quantity Availability
DS12885Q DALLAS 4153 In Stock

Description and Introduction

Real-time clock, 14 bytes of clock and control registers, 114 bytes of general purpose RAM The DS12885Q is a real-time clock (RTC) manufactured by Dallas Semiconductor (now part of Maxim Integrated). Here are its key specifications:

1. **Functionality**: Combines a real-time clock, calendar, alarm, 114 bytes of nonvolatile RAM, and an interrupt output.  
2. **Timekeeping**: Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation (up to 2100).  
3. **Interface**: Parallel interface compatible with Motorola and Intel bus timing.  
4. **Power Supply**: Operates from +5V or +3V (DS12885Q+3V variant).  
5. **Battery Backup**: Includes an integrated lithium battery for data retention when main power is lost.  
6. **Nonvolatile RAM**: 114 bytes of general-purpose RAM.  
7. **Alarms**: Programmable time-of-day alarm with interrupt capability.  
8. **Interrupts**: Three maskable interrupt sources (time-of-day alarm, periodic rate, update-ended).  
9. **Package**: 24-pin DIP (Dual In-line Package).  
10. **Temperature Range**: Commercial (0°C to +70°C) or industrial (-40°C to +85°C) options.  

For exact electrical characteristics or additional details, refer to the official datasheet from Maxim Integrated.

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