Virtex Configurable Logic Block
2 LCs
2 LCs
CLB
4 Input
LUT
Register
Carry
and
Control
I3
I2
I1
I0
O
WI DI
D
CE
CLK
Q
CO
CI
4 Input
LUT
Register
Carry
and
Control
I3
I2
I1
I0
O
WI DI
D
CE
CLK
Q
CO
CI
PR
RS
PR
RS
Polarity of all control signals selectable
Fast arithmetic and multiplier circuitry
Optimized for synthesis
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