Checking for Multi-Fanout on the Output of Read Data Registers - 2020.2 English

Versal ACAP Hardware, IP, and Platform Development Methodology Guide (UG1387)

Document ID
UG1387
Release Date
2021-03-26
Version
2020.2 English

The fanout of the data output bits from the memory array must be 1 for the second register to be absorbed by the RAM primitive. This is illustrated in the following figure.

Figure 1. Multiple Fanout Preventing Block RAM Output Register Inference