Read Latency

The following table lists the QDR Read latency.

Table 1. 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