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DS1251WP-120+ from DALLAS,MAXIM - Dallas Semiconductor

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DS1251WP-120+

Manufacturer: DALLAS

4096K NV SRAM with Phantom Clock

Partnumber Manufacturer Quantity Availability
DS1251WP-120+,DS1251WP120 DALLAS 2 In Stock

Description and Introduction

4096K NV SRAM with Phantom Clock The DS1251WP-120+ is a nonvolatile SRAM (NVSRAM) manufactured by DALLAS (now part of Maxim Integrated). Here are its key specifications:

- **Memory Size**: 1Mbit (128K x 8)
- **Access Time**: 120ns
- **Package**: 32-pin Wide DIP (WDIP)
- **Voltage Supply**: 5V ±10%
- **Data Retention**: Minimum 10 years without power
- **Operating Temperature Range**: 0°C to +70°C
- **Automatic Power-Fail Chip Deselect**: Yes
- **Battery Backup**: Built-in lithium energy source
- **Write Cycle Endurance**: Unlimited (with proper power)
- **Standby Current**: 100µA (typical)

This device combines SRAM with nonvolatile storage, ensuring data retention during power loss. The built-in battery eliminates the need for external backup power.

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