XC4VFX12-11FFG668I Xilinx Inc, XC4VFX12-11FFG668I Datasheet - Page 293
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XC4VFX12-11FFG668I
Manufacturer Part Number
XC4VFX12-11FFG668I
Description
IC FPGA VIRTEX-4 FX 12K 668FCBGA
Manufacturer
Xilinx Inc
Series
Virtex™-4r
Specifications of XC4VFX12-11FFG668I
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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Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_DCI
DCI
R 0 = 20
R 0 = 20
R
Figure 6-72: Differential SSTL (1.8V) Class II with DCI Bidirectional Termination
Ω
Ω
+
–
2R
2R
2R
2R
Figure 6-72
differential SSTL Class II (1.8V) with bidirectional DCI termination.
Table 6-30
Table 6-30: Differential SSTL (1.8V) Class II DC Voltage Specifications
VRN
VRP
Notes:
1. V
2. Per EIA/JESD8-6, “The value of V
3. V
4. V
5. V
VRN
VRP
V
Input Parameters
V
V
V
V
V
Output Parameters
V
CCO
TT
IN
ID
ID
IX
OX
the use conditions specified by the user.”
= 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.
(4)
(1)
(3)
(5)
V
lists the differential SSTL (1.8V) Class II DC voltage specifications.
V
shows a sample circuit illustrating a valid termination technique for CSE
CCO
CCO
= 1.8V
= 1.8V
Specific Guidelines for Virtex-4 FPGA I/O Supported Standards
IOB
www.xilinx.com
REF
Z 0
Z 0
is to be selected by the user to provide optimum noise margin in
IOB
V
CCO
V
CCO
= 1.8V
2R
2R
2R
2R
= 1.8V
–0.30
0.675
0.725
Min
0.25
0.50
1.7
VRP
VRN
VRP
VRN
–
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
V
CCO
Typ
1.8
–
–
–
–
–
× 0.5
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_DCI
R 0 = 20
+
–
R 0 = 20
ug070_6_70_022406
V
V
V
CCO
CCO
CCO
Ω
Ω
1.125
1.075
Max
1.9
–
+ 0.30
+ 0.60
+ 0.60
293
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