XC4VFX12-10FFG668C Xilinx Inc, XC4VFX12-10FFG668C Datasheet - Page 241
![IC FPGA VIRTEX-4 FX 12K 668FCBGA](/photos/6/73/67303/xc4vfx12-10ffg668c_sml.jpg)
XC4VFX12-10FFG668C
Manufacturer Part Number
XC4VFX12-10FFG668C
Description
IC FPGA VIRTEX-4 FX 12K 668FCBGA
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 XC4VFX12-10FFG668C
Total Ram Bits
663552
Number Of Logic Elements/cells
12312
Number Of Labs/clbs
1368
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
No. Of Logic Blocks
12312
No. Of Macrocells
12312
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-ML403-UNI-G - EVALUATION PLATFORM VIRTEX-4HW-AFX-FF668-400 - BOARD DEV VIRTEX 4 FF668
Number Of Gates
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
122-1591
XC4VFX12-10FFG668C
XC4VFX12-10FFG668C
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XC4VFX12-10FFG668C
Manufacturer:
Xilinx Inc
Quantity:
10 000
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Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
DCI in Virtex-4 FPGA Hardware
R
Driver with Termination to V
Some I/O standards, such as HSTL Class II, require an output termination to V
Figure
DCI can provide output termination to V
the impedance of the termination, but not the driver. Both HSTL and SSTL standards need
50Ω external reference resistors. The DCI I/O standards supporting drivers with split
termination are: HSTL_II_DCI, HSTL_II_DCI_18, SSTL2_II_DCI, SSTL18_II_DCI,
DIFF_HSTL_II_DCI, DIFF_HSTL_II_DCI_18, DIFF_SSTL2_II_DCI, and
DIFF_SSTL18_II_DCI.
Figure 6-13
DCI works with single-ended I/O standards and the 2.5V LVDS I/O standard. DCI
supports the following Virtex-4 FPGA standards:
LVDCI, HSLVDCI, LVDCI_DV2, GTL_DCI, GTLP_DCI, HSTL_I_DCI, HSTL_II_DCI,
HSTL_III_DCI, HSTL_IV_DCI, HSTL_I_DCI_18, HSTL_II_DCI_18, HSTL_III_DCI_18,
HSTL_IV_DCI_18, SSTL2_I_DCI, SSTL2_II_DCI, SSTL18_I_DCI, SSTL18_II_DCI,
DIFF_HSTL_II_DCI, DIFF_HSTL_II_DCI_18, DIFF_SSTL2_II_DCI, DIFF_SSTL18_II_DCI,
LVDS_25_DCI, and LVDSEXT_25_DCI.
To correctly use DCI in a Virtex-4 device, users must follow the following rules:
Figure 6-13: Driver with Termination to V
6-12).
illustrates a driver with split termination inside a Virtex-4 device.
Figure 6-12: Driver with Termination to V
Virtex-4 FPGA
www.xilinx.com
CCO
Virtex-4 FPGA DCI
IOB
/2 (Split Termination)
SelectIO Technology Resources General Guidelines
V
CCO
2R
2R
CCO
V
CCO
IOB
/2 using split termination. DCI only controls
R
/2
CCO
/2 Using DCI Split Termination
UG070_6_12_030708
Z
Z
UG070_6_13_030708
0
0
CCO
/2 without DCI
CCO
/2 (see
241
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