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DS1302S+ from DALLAS,MAXIM - Dallas Semiconductor

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DS1302S+

Manufacturer: DALLAS

Trickle-Charge Timekeeping Chip

Partnumber Manufacturer Quantity Availability
DS1302S+,DS1302S DALLAS 749 In Stock

Description and Introduction

Trickle-Charge Timekeeping Chip The DS1302S+ is a real-time clock (RTC) chip manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:

1. **Function**: Provides seconds, minutes, hours, day, date, month, and year information with leap-year compensation.
2. **Interface**: Serial interface for communication with a microcontroller.
3. **Voltage Range**: Operates from 2.0V to 5.5V.
4. **Low Power Consumption**: Typically consumes less than 300nA in battery backup mode.
5. **Clock Accuracy**: ±2ppm at 25°C (approximately ±1 minute per year).
6. **Temperature Range**: Commercial (0°C to +70°C).
7. **Package**: 8-pin SOIC (150mil).
8. **Battery Backup**: Supports continuous timekeeping with an external battery (3V lithium cell or other energy source).
9. **Additional Features**:  
   - 31 x 8 battery-backed RAM for data storage.  
   - Programmable trickle charger for battery maintenance.  
   - Simple 3-wire interface (data, clock, chip select).  

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

Partnumber Manufacturer Quantity Availability
DS1302S+,DS1302S MAXIM 2000 In Stock

Description and Introduction

Trickle-Charge Timekeeping Chip The DS1302S+ is a real-time clock (RTC) chip manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications:  

- **Interface**: Serial (3-wire)  
- **Timekeeping Accuracy**: ±2 minutes per month at 25°C  
- **Operating Voltage**: 2.0V to 5.5V  
- **Clock/Calendar**: Seconds, minutes, hours, day, date, month, year (up to 2100)  
- **RAM**: 31 bytes of non-volatile RAM  
- **Temperature Range**: -40°C to +85°C  
- **Package**: 8-pin SOIC (150-mil)  
- **Low Power Consumption**: Less than 300nA in battery backup mode  
- **Battery Backup**: Supports external battery or supercapacitor  
- **Clock Halt Flag**: Detects power loss  

For exact details, refer to the official **MAXIM (Analog Devices) datasheet**.

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