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DS12885S

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

Partnumber Manufacturer Quantity Availability
DS12885S 15 In Stock

Description and Introduction

Real-time clock, 14 bytes of clock and control registers, 114 bytes of general purpose RAM The DS12885S is a real-time clock (RTC) chip manufactured by Maxim Integrated (formerly Dallas Semiconductor). Below are its key specifications:

1. **Functionality**: Combines a real-time clock, calendar, alarm, and 114 bytes of battery-backed RAM.
2. **Clock Accuracy**: ±1 minute per month at 25°C.
3. **Timekeeping**: Operates in either 12-hour or 24-hour format with automatic leap-year compensation.
4. **Power Supply**:
   - **Primary Supply**: 4.5V to 5.5V.
   - **Backup Supply**: 2V to 3.5V (battery operation).
5. **Battery Backup**: Integrated circuitry switches to backup supply when primary power fails.
6. **Interface**: Parallel interface compatible with most microprocessors.
7. **RAM**: 114 bytes of non-volatile RAM.
8. **Interrupts**: Programmable interrupt and square-wave output.
9. **Package**: 24-pin DIP (Dual In-line Package).
10. **Operating Temperature Range**: 0°C to +70°C (commercial grade).  

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

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