Preliminary FM24CL64 64Kb 2.7V-3.6V FRAM Serial M.
FM24CL64B - 64-Kbit (8K x 8) Serial (I2C) F-RAM
FM24CL64 - 64Kb 2.7V-3.6V FRAM Serial Memory
FM24CL64B - 64Kb Serial 3V F-RAM Memory