XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 286
XC4VFX20-10FFG672C
Manufacturer Part Number
XC4VFX20-10FFG672C
Description
IC FPGA VIRTEX-4 FX 20K 672-FBGA
Manufacturer
Xilinx Inc
Series
Virtex™-4r
Datasheets
1.XC4VFX12-10FFG668C.pdf
(58 pages)
2.XC4VFX12-10FFG668C.pdf
(9 pages)
3.XC4VFX12-10FFG668C.pdf
(406 pages)
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
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- XC4VFX12-10FFG668C PDF datasheet
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Chapter 6: SelectIO Resources
286
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II_DCI
External Termination
DIFF_SSTL2_II
DIFF_SSTL2_II
DIFF_SSTL2_II
DCI
R 0 = 25
R 0 = 25
Figure 6-63: Differential SSTL2 (2.5V) Class II Unidirectional DCI Termination
Figure 6-64: Differential SSTL2 (2.5V) Class II with Bidirectional Termination
Ω
Ω
+
–
V
V
CCO
CCO
Figure 6-63
differential SSTL2 Class II (2.5V) with unidirectional DCI termination.
Figure 6-64
differential SSTL2 Class II (2.5V) with bidirectional termination.
= 2.5V
= 2.5V
2R
2R
2R
2R
IOB
VRP
VRN
VRP
VRN
IOB
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
shows a sample circuit illustrating a valid termination technique for CSE
shows a sample circuit illustrating a valid termination technique for CSE
25Ω
25Ω
V
V
TT
TT
= 1.25V
= 1.25V
www.xilinx.com
50Ω
50Ω
Z 0
Z 0
Z 0
Z 0
V
V
TT
50Ω
TT
50Ω
IOB
= 1.25V
= 1.25V
V
V
CCO
CCO
2R
2R
2R
2R
= 2.5V
= 2.5V
VRP
VRN
VRP
VRN
25Ω
25Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
UG070 (v2.6) December 1, 2008
IOB
Virtex-4 FPGA User Guide
DIFF_SSTL2_II_DCI
DIFF_SSTL2_II
DIFF_SSTL2_II
DIFF_SSTL2_II
ug070_6_62_121206
+
–
+
ug070_6_61_071904
R
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