AN210 discusses the key differences that need to be considered when migrating from FM24CL04 to FM24CL04B.FM24CL04 is now obsolete and this application note explains how FM24CL04B is a replacement for FM24CL04.
Introduction
FM24CL04B, a 4-Kbit I2C F-RAM™, is a replacement device for FM24CL04, which is now obsolete. The two devices are identical in terms of pinout, package composition and dimensions, read / write functionality, Write Protect operation, and address pin functionality. This application note discusses the key differences between the two devices that need to be considered when migrating from FM24CL04 to FM24CL04B. If not can i send the file by tomorrow EOD? Still have more pages to complete.