XC4VFX20-11FFG672C Xilinx Inc, XC4VFX20-11FFG672C Datasheet - Page 287

• Manufacturer Part Number: XC4VFX20-11FFG672C
• Description: IC FPGA VIRTEX-4 FX 20K 672-FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-4r

Specifications of XC4VFX20-11FFG672C

• Number Of Logic Elements/cells: 19224
• Number Of Labs/clbs: 2136
• Total Ram Bits: 1253376
• 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
• For Use With: HW-V4-ML405-UNI-G - EVALUATION PLATFORM VIRTEX-4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
DCI
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II_DCI
R
Figure 6-65: Differential SSTL2 (2.5V) Class II with DCI Bidirectional Termination
+
2R
2R
2R
2R
Figure 6-65
differential SSTL2 Class II (2.5V) with bidirectional DCI termination.
Table 6-28
Table 6-28: Differential SSTL2 Class II DC Voltage Specifications
VRN
VRP
VRN
Notes:
1. V
2. V
3. V
4. V
VRP
V
Input Parameters
V
V
V
V
V
Output Parameters
V
CCO
TT
IN
ID
ID
IX
OX
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
IN
ID
IX
OX
(AC)
(DC)
(DC)
(AC)
(AC)
(AC) indicates the voltage where the differential input signals must cross.
(DC) specifies the allowable DC excursion of each differential input.
(DC) specifies the input differential voltage required for switching.
(AC) indicates the voltage where the differential output signals must cross.
(3)
(1)
(2)
V
(4)
lists the differential SSTL2 Class II DC voltage specifications.
V
CCO
shows a sample circuit illustrating a valid termination technique for CSE
CCO
= 2.5V
= 2.5V
Specific Guidelines for Virtex-4 FPGA I/O Supported Standards
IOB
www.xilinx.com
Z 0
Z 0
IOB
V
CCO
V
CCO
= 2.5V
2R
2R
2R
2R
= 2.5V
–0.30
Min
0.62
0.95
VRP
VRN
VRP
VRN
2.3
0.3
1.0
–
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
V
CCO
Typ
2.5
–
–
–
–
–
× 0.5
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II_DCI
ug070_6_63_071904
+
V
V
V
CCO
CCO
CCO
Max
1.55
2.7
1.5
–
+ 0.30
+ 0.60
+ 0.60
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