KEY FEATURES
• Double Data Rate architecture: two data transfers per clock cycle
• High-speed data transfer is realized by 8 bits prefetch pipelined architecture
• Bi-directional differential data strobe (DOS and /DQS) is transmitted/received
with data for capturing data at the receiver
• DOS is edge-aligned with data for READS; center-aligned with data for WRITES
• Differential clock inputs (CK and /CK)
• DLL aligns DQ and DOS transitions with CK transitions
• Commands entered on each positive CK edge; data and data mask referenced
to both edges of DQS
• Data Mask (DM) for write data
• Posted /CAS by programmable additive latency for better command and data
bus efficiency
• On-Die Termination (ODD for better signal quality)
— Synchronous ODT
— Dynamic CDT
— Asynchronous ODT
• Multi-Purpose Register (MPR) for pre-defined pattern read out
• ZQ calibration for DO drive and ODT
• Programmable Partial Array Self-Refresh (PASR)
• RESET pin for power-up sequence and reset function
• SRT range: normal/extended
• Programmable output driver impedance control