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DS1302ZN+T&R from MAXIM,MAXIM - Dallas Semiconductor

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DS1302ZN+T&R

Manufacturer: MAXIM

Trickle-Charge Timekeeping Chip

Partnumber Manufacturer Quantity Availability
DS1302ZN+T&R,DS1302ZNT&R MAXIM 7500 In Stock

Description and Introduction

Trickle-Charge Timekeeping Chip The DS1302ZN+T&R is a real-time clock (RTC) manufactured by **Maxim Integrated** (now part of Analog Devices). Here are its key specifications:  

- **Function**: Real-time clock/calendar with 31 x 8 battery-backed SRAM  
- **Interface**: Serial (3-wire)  
- **Clock Format**: 12-hour/24-hour with AM/PM indicator  
- **Operating Voltage**: **2.0V to 5.5V**  
- **Timekeeping Current**: **<300nA** (with backup battery at 2.0V)  
- **Clock Accuracy**: **±2ppm** (0°C to +40°C)  
- **Temperature Range**: **-40°C to +85°C**  
- **Package**: **8-pin SOIC (150mil)**  
- **Battery Backup**: Supports external battery or supercapacitor  
- **Additional Features**:  
  - Trickle-charge capability for backup power  
  - Leap-year compensation (valid up to 2100)  
  - Simple serial communication with host microcontroller  

This part is supplied in **Tape & Reel (T&R)** packaging for automated assembly.  

For exact mechanical and electrical details, refer to the official **Maxim datasheet**.

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