The following table lists the QDR Read latency.
Data Rate | Sys Clock Frequency (MHz) | User Interface Data Width | Memory Data Width | Latency in Cycles (User Interface) | Latency in ns |
---|---|---|---|---|---|
1100 Mbps | 137.5 | 288 | 36 | 15 cycles | 109.09 |
800 Mbps | 100 | 288 | 36 | 14/15 cycles | 140 – 150 |
500 Mbps | 62.5 | 288 | 36 | 14 cycles | 224 |