AN326 - Differences between Grade 1 Versions of the FM25CL64 and the FM25CL64B

This document points out the differences between the Grade 1 versions of the FM25CL64 and the FM25CL64B devices. The two devices are identical in terms of package/pinout, DC/AC parameters (except standby current), and read/write functionality. The endurance and data retention specifications are different on the FM25CL64B-GA.