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DS1644P+120 from DALLAS,MAXIM - Dallas Semiconductor

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DS1644P+120

Manufacturer: DALLAS

Nonvolatile Timekeeping RAM

Partnumber Manufacturer Quantity Availability
DS1644P+120,DS1644P120 DALLAS 1 In Stock

Description and Introduction

Nonvolatile Timekeeping RAM The DS1644P+120 is a nonvolatile timekeeping RAM manufactured by Dallas Semiconductor (now part of Maxim Integrated). Here are its key specifications:  

- **Type**: Nonvolatile SRAM with real-time clock (RTC)  
- **Memory Size**: 32KB (32,768 x 8 bits)  
- **Battery Backup**: Integrated lithium energy source for data retention  
- **Data Retention**: Minimum 10 years without power  
- **Clock Accuracy**: ±2 minutes per month at 25°C  
- **Operating Voltage**: 4.5V to 5.5V  
- **Interface**: Parallel (JEDEC standard pinout)  
- **Package**: 28-pin DIP (Dual In-line Package)  
- **Temperature Range**: 0°C to +70°C (commercial grade)  

This device combines SRAM with a real-time clock and is commonly used in applications requiring timekeeping and nonvolatile data storage.

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