FM25640B-GTR datasheet by Cypress Semiconductor

FM25640B-GTR Frequently Asked Questions (FAQs)

• What is the recommended operating temperature range for FM25640B-GTR?
  The recommended operating temperature range for FM25640B-GTR is -40°C to +85°C.
• How do I configure the FM25640B-GTR for I2C or SPI interface?
  The FM25640B-GTR can be configured for I2C or SPI interface by setting the MODE pin high or low, respectively, during power-up. For I2C, MODE pin should be connected to VCC, and for SPI, it should be connected to GND.
• What is the maximum clock frequency supported by FM25640B-GTR?
  The FM25640B-GTR supports clock frequencies up to 40 MHz.
• How do I handle the HOLD and WP pins on the FM25640B-GTR?
  The HOLD pin is used to pause the serial interface, and the WP pin is used to enable or disable the write protection feature. These pins should be connected to VCC or GND depending on the desired functionality.
• What is the purpose of the SFDP (Serial Flash Discoverable Parameters) in FM25640B-GTR?
  The SFDP is a feature that allows the FM25640B-GTR to provide information about its capabilities and configuration to the host system, enabling easier integration and configuration.