Verfahren und Speichersystem basierend auf dualem data strobe mode and einfachem data strobe mode mit Dateninversion

摘要

A memory system and a method of reading and writing data to a memory device selectively operate in both a single DQS mode with data inversion, and in a dual DQS mode. The device and method employ data strobe mode changing means for selectively changing operation of the memory device between a first data strobe mode and a second data strobe mode.