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Seitenansicht 53
LogiCORE IP Block Memory Generator v6.1
54 www.xilinx.com DS512 March 1, 2011
Product Specification
Device Utilization and Performance Benchmarks
Smaller Primitive Configurations in Spartan-6
The introduction of the new 9K primitive in Spartan-6 results in smaller memory configurations: 8kx1,
4kx2, 2kx4, 1kx9, 512x18 and 256x36 (this primitive is only supported in SP and SDP configurations). In
previous Spartan families, extra-wide configurations were only supported in Single Port memory
configurations. The 9K primitive, RAMB8BWER, allows the primitive to be configured in either the
TDP or the SDP mode. The presence of the SDP mode of operation allows the extra-wide 256x36
configuration, even for Simple Dual Port memory configurations.
Table 12: Resource utilization for Spartan-6 Devices (XC6SLX25T-2CSG324)
(1)
(2)
1. Uses Fixed Primitive Algorithm (Primitive Configuration is 512x36).
2. Memory type is SDP.
Depth x
Width
Mode
Check
Bits
Resource Utilization
(3)
3. No register stage.
Performance
(4)
4. Uses Memory Core Output Register.
Block
RAMs
(52)
Slice LUTs
(15032)
Slice Register
(30064)
Max Freq
(MHz)
1Kx8
W/o ECC 2 4 0 221
With ECC 5 2 27 0 187
1Kx16
W/o ECC 2 8 0 219
With ECC 6 2 61 0 201
1Kx32
W/o ECC 2 16 0 209
With ECC 7 4 120 0 161
1Kx64
W/o ECC 4 32 0 200
With ECC 8 4 231 0 121
Table 13: : Resource utilization for Virtex-6 Devices (XC6VLX75T-2FF784)
(1)
(2)
1. Uses Fixed Primitive Algorithm (Primitive Configuration is 1Kx36).
2. Memory type is SDP.
Depth x
Width
Mode
Check
Bits
Resource Utilization
(3)
3. No register stage.
Performance
(4)
4. Uses Memory Core Output Register.
Block
RAMs
(52)
Slice LUTs
(15032)
Slice Register
(30064)
Max Freq
(MHz)
1Kx8
W/o ECC 1 0 0 387
With ECC 5 1 24 0 385
1Kx16
W/o ECC 1 0 0 391
With ECC 6 1 57 0 379
1Kx32
W/o ECC 1 0 0 386
With ECC 7 2 112 0 350
1Kx64
W/o ECC 2 0 0 370
With ECC 8 2 218 0 291
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