AN323 - Migrating from Grade 1 version of FM25C160 to Grade 1 version of FM25C160B

AN323 discusses the key differences that need to be considered when migrating from Grade 1 version of FM25C160 to Grade 1 version of FM25C160B. FM25C160 is now obsolete and this application note explains how FM25C160B is a replacement for FM25C160.

Introduction

FM25C160B-GA, a 16-Kbit SPI Grade 1 F-RAM™, is a replacement device for FM25C160-GA, which is now obsolete. The two devices are identical in terms of package, pinout, DC / AC parameters, and read / write functionality. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25C160-GA to FM25C160B-GA.