XC4VFX20-11FFG672C Xilinx Inc, XC4VFX20-11FFG672C Datasheet - Page 33
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XC4VFX20-11FFG672C
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XC4VFX20-11FFG672C
Manufacturer:
XilinxInc
Quantity:
3 000
Company:
Part Number:
XC4VFX20-11FFG672C
Manufacturer:
Xilinx Inc
Quantity:
10 000
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Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
R
Figure 1-7
BUFGMUX and BUFGMUX_1
BUFGMUX is a clock buffer with two clock inputs, one clock output, and a select line. This
primitive is based on BUFGCTRL with some pins connected to logic High or Low.
Figure 1-8
available for BUFGMUX and BUFGCTRL.
Since the BUFGMUX uses the CE pins as select pins, when using the select, the setup time
requirement must be met. Violating this setup time may result in a glitch.
Switching conditions for BUFGMUX are the same as the CE pins on BUFGCTRL.
Figure 1-9
BUFGCE_1(CE)
BUFGCE_1(O)
illustrates the timing diagram for BUFGCE_1.
illustrates the relationship of BUFGMUX and BUFGCTRL. A LOC constraint is
illustrates the timing diagram for BUFGMUX.
BUFGCE_1(I)
I1
I0
S
I 0
I1
O
S
BUFGMUX
Figure 1-7: BUFGCE_1 Timing Diagram
Figure 1-9: BUFGMUX Timing Diagram
Figure 1-8: BUFGMUX as BUFGCTRL
www.xilinx.com
T
BCCKO_O
O
i hi
T
S
BCCKO_O
begin
i
T
BCCCK_CE
I1
GND
GND
V
V
DD
DD
T
BCCCK_CE
IGNORE1
CE1
S1
I1
I0
S0
CE0
IGNORE0
T
Global Clocking Resources
BCCKO_O
ug070_1_08_071304
ug070_1_07_081904
O
33
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