Infineon FM25W256-GTR 256Kb SPI FRAM Memory IC | High-Speed Non-Volatile Storage 2025-04-20 Discover the Infineon FM25W256-GTR, a 256Kb SPI FRAM memory IC with unlimited write endurance, fast 20MHz operation, and wide voltage support (2.7V-5.5V). Ideal for industrial, automotive, and IoT applications.