FM24CL08B in Cypress / Infineon FM24 & FM25 FRAM Family
The FM24CL08B is a member of the Infineon (formerly Cypress) F-RAM memory family, specifically an 8-Kbit non-volatile Ferroelectric Random Access Memory (F-RAM) employing the I2C serial protocol. Unlike standard EEPROM, this family provides virtually unlimited endurance of 100 trillion read/write cycles and instantaneous writes at bus speed without the need for soak times. It is designed for systems requiring reliable data logging and frequent state updates under low-power conditions.
The FM24CL08B sub-family primarily differentiates variants through package types and temperature grading. Standard options include the 8-pin SOIC and DFN packages. While the core memory architecture remains constant at 8-Kbit with a 2.7V to 3.6V operating range, specific ordering codes define industrial temperature ratings or lead-free compliance. Sibling sub-families like the FM24V or FM25 series offer higher densities or SPI interfaces for different throughput requirements.
