XC3S100E Datasheet, PDF (26/193 Pages) Xilinx, Inc – DC and Switching Characteristics

R
Functional Description
FXINB
FXINA
FXINB
FXINA
F8
X
F5
F5
FX
F6
F5
F5
FXINB
FXINA
F7
FX
F5
F5
FXINB
FXINA
F6
FX
F5
F5
DS312-2_38_021305
Figure 17: Muxes and Dedicated Feedback in
Spartan-3E CLB
Table 8: Mux Capabilities
Mux
F5MUX
FiMUX
Usage
F5MUX
F6MUX
F7MUX
F8MUX
Input Source
LUTs
F5MUX
F6MUX
F7MUX
Total Number of Inputs per Function
For Any
Function
For Mux
For Limited
Functions
5
6 (4:1 mux)
9
6
11 (8:1 mux)
19
7
20 (16:1 mux)
39
8
37 (32:1 mux)
79
DS312-2 (v1.1) March 21, 2005
www.xilinx.com
19
Advance Product Specification