AN97798 - Migrating from I2C EEPROM to Cypress's I2C F-RAM™ | Cypress Semiconductor
AN97798 - Migrating from I2C EEPROM to Cypress's I2C F-RAM™
AN97798 provides an overview of the advantages of Cypress’s I2C F-RAM™ solution and the differences to be considered when migrating from an I2C EEPROM. It also describes the benefits of the migration.
Cypress’s F-RAM has fast SRAM cells and provides virtually infinite (10E+14) read/write endurance cycles, orders of magnitude higher than an EEPROM. The F-RAM performs write operations at the bus speed without incurring any write delays (NoDelay™), unlike serial EEPROMs and flash memories. Data is written directly into the F-RAM array, and the next bus cycle can start immediately, without checking the readiness of the device. Serial I2C F-RAM devices are available as drop-in replacements for standard I2C EEPROM devices.
This application note shows the differences between an industry-standard I2C EEPROM and an I2C F-RAM. These differences need to be considered when migrating from an I2C EEPROM-based solution to Cypress’s I2C F-RAM solution.
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