AN405 - Comparison between F-RAM I2C Processor Companion Devices | Cypress Semiconductor
AN405 - Comparison between F-RAM I2C Processor Companion Devices
The FM31256 and the FM3164 are the wide operating voltage F-RAM I2C processor companion devices. The FM31278 and the FM31276 are 5 V devices while the FM31L278 and the FM31L276 are the 3 V devices. This application note discusses the key differences between the F-RAM I2C processor companion devices FM31256 / FM3164 / FM31278 / FM31276 / FM31L278 / FM31L276.