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AT25DF321A-SH from ATMEL

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AT25DF321A-SH

Manufacturer: ATMEL

One mechanical button switch Three LEDs Four expansion headers

Partnumber Manufacturer Quantity Availability
AT25DF321A-SH,AT25DF321ASH ATMEL 138 In Stock

Description and Introduction

One mechanical button switch Three LEDs Four expansion headers The AT25DF321A-SH is a serial flash memory device manufactured by ATMEL (now part of Microchip Technology). Here are its key specifications:

1. **Memory Capacity**: 32 Mbit (4 MB)  
2. **Interface**: Serial Peripheral Interface (SPI)  
3. **Operating Voltage**: 2.7V to 3.6V  
4. **Speed**:  
   - Up to 85 MHz clock frequency  
5. **Sector Architecture**:  
   - Uniform 4 KB sectors  
   - 64 KB blocks  
6. **Write Protection**: Software and hardware options  
7. **Endurance**: 100,000 write cycles per sector  
8. **Data Retention**: 20 years  
9. **Package**: 8-lead SOIC (150-mil)  
10. **Temperature Range**:  
    - Industrial (-40°C to +85°C)  

Additional features include a deep power-down mode for reduced standby current and a unique 64-bit serial number for identification.

Partnumber Manufacturer Quantity Availability
AT25DF321A-SH,AT25DF321ASH ADESTO 470 In Stock

Description and Introduction

One mechanical button switch Three LEDs Four expansion headers The AT25DF321A-SH is a flash memory device manufactured by Adesto Technologies. Here are its key specifications:

- **Memory Type**: Serial NOR Flash
- **Memory Size**: 32 Megabits (4 Megabytes)
- **Interface**: SPI (Serial Peripheral Interface)
- **Operating Voltage**: 2.7V to 3.6V
- **Speed**: Up to 85 MHz clock frequency
- **Sector Architecture**: Uniform 4 KB sectors
- **Block Architecture**: 64 KB blocks
- **Page Size**: 256 bytes
- **Write Protection**: Software and hardware options
- **Endurance**: 100,000 write cycles per sector
- **Data Retention**: 20 years
- **Operating Temperature Range**: -40°C to +85°C
- **Package**: 8-lead SOIC (150-mil)

This device supports SPI modes 0 and 3 and includes features like deep power-down mode and a unique serial number for identification.

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