The FM25CL64B, a 64-Kbit SPI F-RAM, is a replacement device for FM25CL64; FM25CL64 is now obsolete. The two devices are identical in terms of pinout, packages, and read/write functionality. In terms of speed, both operate up to 20 MHz and have the same timing specifications. This application note discusses the key differences between the two devices which need to be considered when migrating from FM25CL64 to FM25CL64B.
↧