The maximum operating frequency of the S25FL128SAGBHVB03 is 104 MHz.
The HOLD# pin should be pulled high during power-up and power-down sequences to prevent unwanted flash operations.
The recommended method for erasing the entire flash memory is to use the Chip Erase command (0xC7) followed by a Write Enable command (0x06).
The device density and die revision can be determined by reading the Device ID (0x90) and Manufacturer ID (0x9F) registers.
The WP# pin is a write-protect pin that allows the user to protect the entire flash memory or a specific sector from being written. To use it, tie the WP# pin to VCC to enable write protection or to GND to disable it.