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DS1305N from DS,MAXIM - Dallas Semiconductor

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DS1305N

Manufacturer: DS

Serial Alarm Real Time Clock (RTC)

Partnumber Manufacturer Quantity Availability
DS1305N DS 10 In Stock

Description and Introduction

Serial Alarm Real Time Clock (RTC) The DS1305N is a serial real-time clock (RTC) manufactured by Maxim Integrated (formerly Dallas Semiconductor). Here are its key specifications:

- **Interface**: SPI (3-wire) and I2C (2-wire) compatible.
- **Clock/Calendar**: Tracks seconds, minutes, hours, day, date, month, and year with leap-year compensation (up to 2100).
- **Operating Voltage**: 2.0V to 5.5V.
- **Timekeeping Current**: Typically 300nA at 2.0V.
- **Battery Backup**: Supports external battery backup for continuous timekeeping.
- **Temperature Range**: Industrial (-40°C to +85°C).
- **Package**: 20-pin DIP (Dual Inline Package).
- **Additional Features**:  
  - 96-byte battery-backed NV RAM.  
  - Programmable square-wave output.  
  - Power-fail detection and automatic switch to backup supply.  

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

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