AN318 - Migrating from FM25L16 to FM25L16B

AN318 discusses the key differences that need to be considered when migrating from FM25L16 to FM25L16B. FM25L16 is now obsolete and this application note explains how FM25L16B is a replacement for FM25L16.

Introduction

FM25L16B, a 16-Kbit SPI F-RAM™, is a replacement device for FM25L16, which is now obsolete. The two devices are identical in terms of pinouts and read/write functionality. In terms of speed, FM25L16 operates up to 18 MHz and FM25L16B operates up to 20 MHz. This application note discusses the key differences between the two devices that need to be considered when migrating from FM25L16 to FM25L16B.