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DS1251 from DALLAS,MAXIM - Dallas Semiconductor

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15.137ms

DS1251

Manufacturer: DALLAS

4096K NV SRAM with Phantom Clock

Partnumber Manufacturer Quantity Availability
DS1251 DALLAS 2000 In Stock

Description and Introduction

4096K NV SRAM with Phantom Clock The DS1251 is a 1Mbit nonvolatile SRAM manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:  

- **Memory Size:** 1 Megabit (128K x 8)  
- **Technology:** Combines SRAM with an embedded lithium energy source for nonvolatility  
- **Data Retention:** Minimum 10 years without power  
- **Operating Voltage:** 4.5V to 5.5V  
- **Access Time:** 70ns, 85ns, or 120ns (depending on variant)  
- **Package Options:** 32-pin DIP or 32-pin PLCC  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Automatic Power-Fail Protection:** Switches to battery backup when VCC falls below a threshold  
- **Unlimited Read/Write Cycles:** Unlike EEPROM or Flash, it allows unlimited writes  

This information is sourced from the official DALLAS (Maxim Integrated) datasheet.

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