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DS1321 from DALLAS,MAXIM - Dallas Semiconductor

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DS1321

Manufacturer: DALLAS

Flexible Nonvolatile Controller with Lithium Battery

Partnumber Manufacturer Quantity Availability
DS1321 DALLAS 245 In Stock

Description and Introduction

Flexible Nonvolatile Controller with Lithium Battery The DS1321 is a component manufactured by DALLAS (now part of Maxim Integrated). Below are the factual specifications from Ic-phoenix technical data files:

1. **Type**: NV SRAM (Non-Volatile Static Random Access Memory)  
2. **Density**: 256K (32K x 8)  
3. **Voltage Range**: 4.5V to 5.5V  
4. **Access Time**: 70ns  
5. **Data Retention**: Minimum 10 years  
6. **Package**: 28-pin DIP or SOIC  
7. **Operating Temperature Range**: 0°C to 70°C (commercial)  
8. **Features**:  
   - Built-in lithium energy source  
   - Automatic power-fail chip deselect  
   - Unlimited write cycles  

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

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