Details

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BUY 25Q256FV https://www.utsource.net/itm/p/12607062.html

Parameter	Description	25Q256FV Specifications
Device Type	Serial Flash Memory	SPI Flash
Memory Density	Total memory size	32 Mbit (4MB)
Voltage Supply (Vcc)	Operating voltage range	2.7 V to 3.6 V
Data Interface	Communication interface type	SPI (Serial Peripheral Interface)
Clock Frequency	Maximum clock frequency for SPI operation	108 MHz
Operating Temperature	Range of operating temperatures	-40°C to +85°C
Package Type	Physical package type	SOP-8, TSSOP-8, WSON-8
Write Protect	Hardware write protection pin	Yes (WP pin)
Hold Function	Pin to pause ongoing commands	Yes (HOLD pin)
Endurance	Number of program/erase cycles	100,000 cycles
Retention	Data retention time at maximum operating temperature	20 years

Instructions:

1. Power Supply: Ensure the supply voltage (Vcc) is within the specified range of 2.7 V to 3.6 V.
2. SPI Configuration: Configure the SPI settings according to the device datasheet. The device supports up to 108 MHz clock frequency.
3. Initialization: After power-up, initialize the device by sending the appropriate SPI commands.
4. Read Operations: Use standard read commands to access data from the memory.
5. Write Operations: Before writing, ensure the device is not write-protected and perform an erase operation if necessary.
6. Protection: Utilize the WP pin to prevent accidental writes and the HOLD pin to pause operations.
7. Temperature Considerations: Operate within the specified temperature range to ensure reliable performance.
8. Endurance Management: Be mindful of the endurance limit and manage write/erase cycles accordingly.
9. Data Retention: For long-term storage, consider environmental factors that may affect data retention.

For detailed command sets and timing diagrams, refer to the manufacturer’s datasheet.

(For reference only)