DOUBLE DATA RATE (DDR) SDRAM - SpecTek - Brilliant Memory Solutions
A bi-directional data strobe (DQS or LDQS/UDQS) is transmitted externally, along with data, for use in data capture at the receiver. DQS is a strobe transmitted by the DDR SDRAM during READs and by the memory controller during WRITEs. DQS is edge-aligned ...