XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 203

• Manufacturer Part Number: XC4VFX20-10FFG672C
• Description: IC FPGA VIRTEX-4 FX 20K 672-FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-4r

Specifications of XC4VFX20-10FFG672C

• Total Ram Bits: 1253376
• Number Of Logic Elements/cells: 19224
• Number Of Labs/clbs: 2136
• Number Of I /o: 320
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 672-BBGA, FCBGA
• No. Of Logic Blocks: 19224
• No. Of Macrocells: 19224
• No. Of Speed Grades: 10
• No. Of I/o's: 320
• Clock Management: DCM
• I/o Supply Voltage: 3.45V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: HW-V4-ML405-UNI-G - EVALUATION PLATFORM VIRTEX-4
• Number Of Gates: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
(First Carry Chain)
R
LUT
LUT
LUT
LUT
The height of the carry chains is two bits per slice. The carry chain in the Virtex-4 device is
running upward. The dedicated carry path and carry multiplexer (MUXCY) can also be
used to cascade function generators for implementing wide logic functions.
O I
O I
O I
O I
COUT
to S0 of the next CLB
CIN
COUT
CIN
MUXCY
MUXCY
MUXCY
MUXCY
Figure 5-19: Fast Carry Logic Path
FF
FF
FF
FF
SLICE S2
SLICE S0
www.xilinx.com
LUT
LUT
LUT
LUT
O I
O I
O I
O I
CIN
MUXCY
MUXCY
MUXCY
MUXCY
COUT
to CIN of S1 of the next CLB
CIN
COUT
(Second Carry Chain)
FF
FF
FF
FF
ug070_5_19_071504
SLICE S3
SLICE S1
CLB Overview
CLB
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