Description
BUY AT45DB321E-SHF-B https://www.utsource.net/itm/p/9262378.html
| Parameter |
Description |
| Device Type |
Serial Flash Memory |
| Manufacturer |
ATMEL |
| Part Number |
AT45DB321E-SHF-B |
| Memory Size |
32 Mbit (4M x 8) |
| Voltage - Supply |
VCC = 2.7V to 3.6V |
| Operating Temperature |
-40°C to +85°C |
| Package Type |
SOIC-8 |
| Interface |
SPI |
| Clock Frequency |
Up to 66 MHz |
| Standby Current |
1 μA |
| Active Current |
20 mA |
| Write Cycle Time |
4 ms |
| Endurance |
1,000,000 write/erase cycles |
| Data Retention |
20 years |
Instructions for Use
- Power Supply: Ensure the supply voltage is within the specified range of 2.7V to 3.6V.
- SPI Configuration: Configure the SPI interface with a maximum clock frequency of 66 MHz.
- Initialization: Upon power-up, initialize the device by sending the appropriate commands as per the datasheet.
- Read Operations: Perform read operations using the Read Data command.
- Write Operations: Execute write operations using the Page Program command, ensuring not to exceed the 4ms write cycle time.
- Erase Operations: Use the Block Erase or Sector Erase commands for erase operations, respecting the endurance limit.
- Power Management: To minimize power consumption, enter standby mode when the device is not in use.
- Environmental Conditions: Operate the device within the temperature range of -40°C to +85°C to ensure reliable performance.
- Handling Precautions: Handle the device with care to avoid electrostatic discharge (ESD) damage.
For detailed command sequences and timing diagrams, refer to the official datasheet provided by ATMEL.
(For reference only)
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