AN94902 discusses the key differences that need to be considered when migrating from FM25V02/FM25V01 to FM25V02A/FM25V01A. FM25V02/FM25V01 is now “Not Recommended for New Designs”; this application note explains how FM25V02A/FM25V01A is a replacement for FM25V02/FM25V01.
Introduction
FM25V02A/FM25V01A, a 256-Kbit/128-Kbit SPI F-RAMTM, is a replacement device for FM25V02/FM25V01, which is now “Not recommended for new designs.” The two devices are identical in terms of pinout, package composition and dimensions, and read/write functionality. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25V02/FM25V01 to FM25V02A/FM25V01A.