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DS12CR887-33+ from DALLAS,MAXIM - Dallas Semiconductor

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DS12CR887-33+

Manufacturer: DALLAS

RTCs with Constant-Voltage Trickle Charger

Partnumber Manufacturer Quantity Availability
DS12CR887-33+,DS12CR88733 DALLAS 1000 In Stock

Description and Introduction

RTCs with Constant-Voltage Trickle Charger The DS12CR887-33+ is a real-time clock (RTC) chip manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:

1. **Function**: Provides real-time clock/calendar functionality with battery backup.
2. **Timekeeping Accuracy**: ±1 minute per month at 25°C.
3. **Supply Voltage**: 4.5V to 5.5V (operating), 3V (battery backup).
4. **Clock Frequency**: 32.768 kHz crystal oscillator.
5. **Time Format**: Binary or BCD (selectable) for seconds, minutes, hours, day, date, month, and year.
6. **Memory**: 114 bytes of general-purpose RAM.
7. **Interfaces**: Parallel interface compatible with most microprocessors.
8. **Temperature Range**: 0°C to +70°C (commercial).
9. **Package**: 24-pin DIP (Dual In-line Package).
10. **Battery Backup**: Built-in lithium battery provides over 10 years of data retention.

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

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