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AT45D021-RI from AT,Atmel

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AT45D021-RI

Manufacturer: AT

2-Megabit 5-volt Only Serial DataFlash

Partnumber Manufacturer Quantity Availability
AT45D021-RI,AT45D021RI AT 2645 In Stock

Description and Introduction

2-Megabit 5-volt Only Serial DataFlash The AT45D021-RI is a serial-interface Flash memory device manufactured by Adesto Technologies (formerly Atmel). Here are the key specifications:

1. **Memory Capacity**: 2 megabits (256K x 8 or 264K x 8)  
2. **Interface**: Serial Peripheral Interface (SPI)  
3. **Operating Voltage**: 2.7V to 3.6V  
4. **Speed**:  
   - Max clock frequency: 85 MHz (5V), 66 MHz (3.3V)  
5. **Page Size**:  
   - Main memory: 264 bytes/page  
   - Buffer: 264 bytes  
6. **Endurance**: 100,000 write cycles per page  
7. **Data Retention**: 20 years  
8. **Temperature Range**: Industrial (-40°C to +85°C)  
9. **Package**: 8-lead SOIC (RI suffix)  

The device supports both binary and page-size configurations for flexible data storage.

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