In an FCRAM having a late write function, when a first command signal indicates “write active”, whether a write operation or an auto-refresh operation is to be performed is determined on the basis of a second command signal. For example, when the second command signal indicates “write”, a write...http://www.google.de/patents/US20050036378?utm_source=gb-gplus-sharePatent US20050036378 - Synchronous semiconductor memory
