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DS12R887-5 from MAXIM,MAXIM - Dallas Semiconductor

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DS12R887-5

Manufacturer: MAXIM

RTC with Constant-Voltage Trickle Charger

Partnumber Manufacturer Quantity Availability
DS12R887-5,DS12R8875 MAXIM 8 In Stock

Description and Introduction

RTC with Constant-Voltage Trickle Charger The DS12R887-5 is a real-time clock (RTC) manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:

1. **Function**: Real-time clock with non-volatile timekeeping.
2. **Timekeeping**: Maintains seconds, minutes, hours, day, date, month, and year with leap-year compensation.
3. **Calendar**: Valid up to the year 2100.
4. **Clock Format**: 12-hour or 24-hour mode with AM/PM indicator.
5. **Power Supply**:
   - Operates from +4.5V to +5.5V.
   - Built-in lithium battery backup (typical life: 10 years).
6. **Interface**: Parallel interface compatible with most microprocessors.
7. **Oscillator**: Integrated crystal oscillator (no external crystal required).
8. **Alarms**: Two programmable time-of-day alarms.
9. **Interrupts**: Programmable interrupt with three maskable sources.
10. **Square Wave Output**: Programmable output frequencies (from 32.768 kHz down to 1 Hz).
11. **Temperature Range**: Commercial (0°C to +70°C).
12. **Package**: 24-pin DIP (Dual In-line Package).
13. **Data Retention**: Non-volatile timekeeping during power loss.

This information is sourced from Maxim Integrated's official datasheet for the DS12R887-5.

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