Latency of rdreq to q[] in DCFIFO - Latency of rdreq to q[] in DCFIFO In the FIFO User guide I see the following in Table 7: Output latency of rdreq to q[] : 1 rdlck. At the same time, on Figure 3 ( Functional Timing for the rdreq Signal and the rdempty Signal ), I see that data on q[] appears on the same rdclk that samples asserted rdreq, i.e. the latency between rdreq and q[] is 0 rdclk (see the screenshot below) So the question is: what is wrong - the spec value or the timing diagram? The simulation results with Agilex are consistent with the Figure 3, so perhaps the spec should be corrected? Replies: Re: Latency of rdreq to q[] in DCFIFO OK. Thanks Syafieq. Replies: Re: Latency of rdreq to q[] in DCFIFO Andrey, Thanks for you input. This probably related to documentation spec bug which I will file for fix. Seem there is discrepancy between spec and diagram 3.