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FM25W256-S from RAMTRON

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FM25W256-S

Manufacturer: RAMTRON

256Kb FRAM Wide Voltage Serial Memory

Partnumber Manufacturer Quantity Availability
FM25W256-S,FM25W256S RAMTRON 1368 In Stock

Description and Introduction

256Kb FRAM Wide Voltage Serial Memory The FM25W256-S is a 256-Kbit (32K x 8) serial (SPI) F-RAM memory device manufactured by RAMTRON (now part of Cypress Semiconductor). Key specifications include:

1. **Memory Size**: 256 Kbit (32,768 x 8 bits)  
2. **Interface**: SPI (Serial Peripheral Interface) with speeds up to 20 MHz  
3. **Voltage Range**: 2.7V to 3.6V  
4. **Endurance**: 100 trillion (10^14) read/write cycles  
5. **Data Retention**: 151 years at +85°C  
6. **Operating Temperature**: -40°C to +85°C  
7. **Package**: 8-lead SOIC (150-mil)  
8. **Write Speed**: No write delays (similar to SRAM)  
9. **Low Power Consumption**: Active current of 1 mA (typical), standby current of 150 µA (typical)  
10. **Additional Features**:  
   - Hardware and software write protection  
   - Industrial temperature range support  

This device is designed for high-reliability applications requiring frequent writes and non-volatile storage.

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