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DS1245 from DS,MAXIM - Dallas Semiconductor

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DS1245

Manufacturer: DS

3.3V 1024k Nonvolatile SRAM

Partnumber Manufacturer Quantity Availability
DS1245 DS 2000 In Stock

Description and Introduction

3.3V 1024k Nonvolatile SRAM The DS1245 is a nonvolatile (NV) SRAM module manufactured by Maxim Integrated (formerly Dallas Semiconductor). Here are the key specifications:

- **Memory Type**: 1Mbit (128K x 8) NV SRAM  
- **Battery Backup**: Integrated lithium energy source  
- **Data Retention**: Minimum 10 years without power  
- **Operating Voltage**: 5V ±10%  
- **Access Time**: 70ns (max)  
- **Operating Temperature**: 0°C to +70°C (commercial) or -40°C to +85°C (industrial)  
- **Package**: 32-pin DIP module  
- **Pin Compatibility**: JEDEC standard 32-pin SRAM pinout  
- **Write Cycles**: Unlimited (like standard SRAM)  
- **Automatic Power-Fail Protection**: Switches to battery backup when VCC falls below threshold  

The DS1245 combines SRAM with a self-contained battery and control circuitry for nonvolatile data storage.

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