Performance - 1.0 English

AXI High Bandwidth Memory Controller v1.0 LogiCORE IP Product Guide (PG276)

Document ID
PG276
Release Date
2021-08-06
Version
1.0 English

Maximum Frequencies

The following table shows the maximum frequencies for the AXI HBM controller.
Table 1. Maximum Frequencies
Clock Maximum Frequency 1 (MHz) Notes
AXI3 Port Clocks[15:0] 450 Per AXI3 port
AMBA APB Register Bus Clock 100  
Memory CLK[7:0] 900 Per HBM channel
  1. Maximum frequency supported for fastest speed grade.

Latency

The following table shows the latency for the AXI HBM controller.

Table 2. Latency
Latency Component Description Open Page – No Activate Closed Page – Activate Notes
Memory Clocks Memory Clocks
AXI Port Latency – Global addressing disabled 90 108 Direct routing from AXI3 port to aligned Memory Channel 1 .
AXI Port Latency – Global addressing enabled 110 (Minimum) 128 (Minimum) Latency is dependent on the source and destination traffic for all the ports. Thus, a maximum latency cannot be provided.
  1. For more information, see Table 2 in the Port Descriptions section.