Resource Utilization

The following table provides resource utilization data for the DDR3 subsystem with AXI3 and AXI4 interfaces.

Table 1. DDR3 Resource Utilization
Interface Type DDR Width AXI Width Maximum Number of LUT4 Maximum Number of DFF Maximum Number of μSRAM Maximum Number of LSRAM
AXI3 16 64 10155 8373 57 6
128 10375 9095 69 6
32 64 14409 12107 107 2
128 14818 12884 93 9
256 15322 14346 115 9
40 64 19282 13596 119 2
128
256 20289 15828 127 9
64 512 25354 24849 67 58
72 512 32280 26575 87 56
AXI4 16 64 10496 8626 33 18
128 10715 9348 33 22
32 64 14736 12354 45 21
128 15083 13152 45 32
256 15682 14614 45 39
40 64 19500 13843 57 21
128 20109 14664 57 32
256 20615 16112 57 39
64 512 25655 25102 69 72
72 512 32495 26827 83 72
Native 16 64 7316 4456 19 2
128 7316 4456 19 2
256 7316 4456 19 2
512 7316 4456 19 2
32 64 11015 6982 29 2
128 11015 6982 29 2
256 11015 6982 29 2
512 11015 6982 29 2
40 64 15228 8133 38 2
128 15228 8133 38 2
256 15228 8133 38 2
512 15228 8133 38 2
64 512 18340 12053 53 2
72 512 24563 13204 62 2

The following table provides resource utilization data for the DDR4 subsystem with AXI3 and AXI4 interfaces.

Table 2. DDR4 Resource Utilization
Interface Type DDR Width AXI Width Maximum Number of LUT4 Maximum Number of DFF Maximum Number of μSRAM Maximum Number of LSRAM
AXI3 16 64 11215 8867 57 6
128 11429 9589 69 6
32 64 16265 12883 107 2
128 16602 13660 93 9
256 17209 15122 115 9
40 64 21878 14498 119 2
128 22439 15283 105 9
256 22911 16730 127 9
64 512 28688 26209 67 58
72 512 36868 28092 87 56
AXI4 16 64 11578 9120 33 18
128 11828 9842 33 22
32 64 16556 13130 45 21
128 16966 13928 45 32
256 17547 15390 45 39
40 64 22197 14775 57 21
128 22764 15581 57 32
256 23262 17028 57 39
64 512 28920 26454 69 72
72 512 37117 28341 83 72
Native 16 64 8424 4950 19 2
128 8424 4950 19 2
256 8424 4950 19 2
512 8424 4950 19 2
32 64 12884 7758 29 2
128 12884 7758 29 2
256 12884 7758 29 2
512 12884 7758 29 2
40 64 17878 9048 38 2
128 17878 9048 38 2
256 17878 9048 38 2
512 17878 9048 38 2
64 512
72 512 28619 14716 62 2