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DS1646/120+ from MAX,MAXIM - Dallas Semiconductor

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DS1646/120+

Manufacturer: MAX

Nonvolatile Timekeeping RAM

Partnumber Manufacturer Quantity Availability
DS1646/120+,DS1646120+ MAX 12 In Stock

Description and Introduction

Nonvolatile Timekeeping RAM The DS1646/120+ is a nonvolatile timekeeping RAM manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:  

- **Type**: Nonvolatile (NV) SRAM with real-time clock (RTC)  
- **Density**: 64Kb (8KB)  
- **Interface**: Parallel  
- **Supply Voltage**: 4.5V to 5.5V  
- **Clock Accuracy**: ±2 minutes per month at 25°C  
- **Operating Temperature Range**: 0°C to +70°C  
- **Battery Backup**: Integrated lithium energy source  
- **Data Retention**: Minimum 10 years in the absence of power  
- **Package**: 32-pin DIP (Dual In-line Package)  
- **Features**:  
  - Automatic power-fail chip deselect  
  - Century byte register  
  - Leap year compensation  

For further details, refer to the official datasheet from Maxim Integrated (Analog Devices).

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