XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 289

• 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
External Termination
DCI
SSTL18_II_DCI
SSTL18 Class II (1.8V)
R 0 = 20
R
SSTL18_II
Ω
2R
2R
Figure 6-67: SSTL18 (1.8V) Class II Unidirectional Termination
IOB
VRP
VRN
Figure 6-67
for SSTL Class II (1.8V).
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
R S = 20Ω
V
CCO
shows a sample circuit illustrating a valid unidirectional termination technique
V
TT
= 1.8V
= 0.9V
IOB
R P = Z 0 = 50Ω
Specific Guidelines for Virtex-4 FPGA I/O Supported Standards
www.xilinx.com
Z 0
Z 0
R P = Z 0 = 50Ω
V
TT
IOB
V
= 0.9V
CCO
2R
2R
= 1.8V
VRP
VRN
IOB
V
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
REF
V
REF
= 0.9V
= 0.9V
SSTL18_II_DCI
SSTL18_II
+
ug070_6_65_071904
+
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