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AN314 - Migrating from FM25040A to FM25040B | Cypress Semiconductor

AN314 - Migrating from FM25040A to FM25040B

Last Updated: 
Aug 25, 2015
Version: 
*B

AN314 discusses the key differences that need to be considered when migrating from FM25040A to FM25040B. FM25040A is now obsolete and this application note explains how FM25040B is a replacement for FM25040A.

Introduction

FM25040B, a 4-Kbit SPI F-RAM™, is a replacement device for FM25040A, which is now obsolete. The two devices are identical in terms of pinouts and read/write functionality. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25040A to FM25040B.