AN114 - Migrating from FM18L08 to FM18W08

AN114 discusses the key differences that need to be considered when migrating from FM18L08 to FM18W08. FM18L08 is now obsolete and this application note explains how FM18W08 is a replacement for FM18L08.

Introduction

The FM18W08, a 256-Kbit parallel F-RAM™, is a replacement device for FM18L08, which is now obsolete. The two devices are identical in terms of pinout, package dimensions, read/write functionality, and temperature range. This application note discusses the key differences between the two devices that need to be considered when migrating from FM18L08 to FM18W08.