XC2S400E-6FT256I Xilinx Inc, XC2S400E-6FT256I Datasheet - Page 14

• Manufacturer Part Number: XC2S400E-6FT256I
• Description: FPGA Spartan®-IIE Family 400K Gates 10800 Cells 357MHz 0.15um Technology 1.8V 256-Pin FTBGA
• Manufacturer: Xilinx Inc

Specifications of XC2S400E-6FT256I

• Package: 256FTBGA
• Family Name: Spartan®-IIE
• Device Logic Cells: 10800
• Device Logic Units: 2400
• Device System Gates: 400000
• Maximum Internal Frequency: 357 MHz
• Typical Operating Supply Voltage: 1.8 V
• Maximum Number Of User I/os: 182
• Ram Bits: 163840

Spartan-IIE FPGA Family: Functional Description
Additional Logic
The F5 multiplexer in each slice combines the function gen-
erator outputs
a function generator that can implement any 5-input func-
tion, a 4:1 multiplexer, or selected functions of up to nine
inputs.
14
(Figure
7). This combination provides either
Figure 6: Spartan-IIE CLB Slice (two identical slices in each CLB)
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Similarly, the F6 multiplexer combines the outputs of all four
function generators in the CLB by selecting one of the two
F5-multiplexer outputs. This permits the implementation of
any 6-input function, an 8:1 multiplexer, or selected func-
tions of up to 19 inputs.
DS077-2 (v2.3) June 18, 2008
Product Specification
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