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DS1251W-120+ from MAXIM,MAXIM - Dallas Semiconductor

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DS1251W-120+

Manufacturer: MAXIM

4096K NV SRAM with Phantom Clock

Partnumber Manufacturer Quantity Availability
DS1251W-120+,DS1251W120 MAXIM 10 In Stock

Description and Introduction

4096K NV SRAM with Phantom Clock The DS1251W-120+ is a nonvolatile SRAM (NV SRAM) module manufactured by Maxim Integrated (now part of Analog Devices). Here are its key specifications:

- **Memory Size**: 1 Megabit (128K x 8)  
- **Technology**: Combines SRAM with an embedded lithium energy source and control circuitry for nonvolatile operation.  
- **Data Retention**: Minimum 10 years without power.  
- **Operating Voltage**: 4.5V to 5.5V.  
- **Access Time**: 120 ns.  
- **Package**: 32-pin DIP (Dual In-line Package).  
- **Operating Temperature Range**: 0°C to +70°C (commercial grade).  
- **Features**: Automatic power-fail chip deselect and write protection.  

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

Partnumber Manufacturer Quantity Availability
DS1251W-120+,DS1251W120 MAXIM/DALLAS 10 In Stock

Description and Introduction

4096K NV SRAM with Phantom Clock The DS1251W-120+ is a nonvolatile SRAM (NV SRAM) module manufactured by Maxim Integrated (formerly Dallas Semiconductor). Here are its key specifications:

- **Memory Size**: 1 Megabit (128K x 8)
- **Voltage Supply**: 5V ±10%
- **Access Time**: 120 ns
- **Data Retention**: Over 10 years without power (using built-in lithium energy source)
- **Operating Temperature Range**: 0°C to +70°C
- **Package**: 32-pin DIP (Dual In-line Package)
- **Pinout**: JEDEC standard
- **Features**: 
  - Automatic power-fail chip deselect
  - Unlimited write cycles
  - Directly replaces standard SRAM
  - Built-in power control circuitry
  - Self-contained lithium energy source and control circuitry

This module combines SRAM with a nonvolatile element, ensuring data retention during power loss. It is designed for applications requiring persistent memory with fast access times.

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