XC4VFX12-10FFG668I Xilinx Inc, XC4VFX12-10FFG668I Datasheet - Page 196
XC4VFX12-10FFG668I
Manufacturer Part Number
XC4VFX12-10FFG668I
Description
IC FPGA VIRTEX-4 FX 12K 668FCBGA
Manufacturer
Xilinx Inc
Series
Virtex™-4r
Specifications of XC4VFX12-10FFG668I
Number Of Logic Elements/cells
12312
Number Of Labs/clbs
1368
Total Ram Bits
663552
Number Of I /o
320
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
668-BBGA, FCBGA
For Use With
HW-V4-ML403-UNI-G - EVALUATION PLATFORM VIRTEX-4HW-AFX-FF668-400 - BOARD DEV VIRTEX 4 FF668
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Chapter 5: Configurable Logic Blocks (CLBs)
196
Multiplexers
Shift Register Summary
•
•
•
•
•
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Virtex-4 FPGA function generators and associated multiplexers can implement the
following:
•
•
•
•
Wide input multiplexers are implemented in one level of logic (or LUT) and by dedicated
MUXFX. These multiplexers are fully combinatorial.
Each Virtex-4 FPGA slice has one MUXF5 multiplexer and one MUXFX multiplexer. The
MUXFX multiplexer implements the MUXF6, MUXF7, or MUXF8, according to the slice
position in the CLB, as shown in
multiplexers, one MUXF7 multiplexer and one MUXF8 multiplexer. MUXFX are designed
to allow LUT combinations of up to 16 LUTs in two adjacent CLBs. Any LUT can
implement a 2:1 multiplexer. Examples of multiplexers are shown in the
Multiplexers
A shift operation requires one clock edge.
Dynamic-length read operations are asynchronous (Q output).
Static-length read operations are synchronous (Q output).
The data input has a setup-to-clock timing specification.
In a cascadable configuration, the Q15 output always contains the last bit value.
The Q15 output changes synchronously after each shift operation.
4:1 multiplexer in one slice
8:1 multiplexer in two slices
16:1 multiplexer in one CLB element (4 slices)
32:1 multiplexer in two CLB elements (8 slices - 2 adjacent CLBs)
section.
www.xilinx.com
Figure
5-13. Each CLB element has two MUXF6
UG070 (v2.6) December 1, 2008
Virtex-4 FPGA User Guide
Designing Large
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