WRITE_FIRST or Transparent Mode (Default) - WRITE_FIRST or Transparent Mode (Default) - UG573

UltraScale Architecture Memory Resources User Guide (UG573)

Document ID
UG573
Release Date
2025-11-18
Revision
1.14 English

In WRITE_FIRST mode, the input data is simultaneously written into memory and stored in the data output (transparent write), as shown in the following figure. These waveforms correspond to latch mode when the optional output pipeline register is not used.

Figure 1. WRITE_FIRST Mode Waveforms