XC5VLX50-3FFG676C Xilinx Inc, XC5VLX50-3FFG676C Datasheet - Page 237
![IC FPGA VIRTEX-5 50K 676-FBGA](/photos/6/73/67306/xilinx-_1136-fbga_sml.jpg)
XC5VLX50-3FFG676C
Manufacturer Part Number
XC5VLX50-3FFG676C
Description
IC FPGA VIRTEX-5 50K 676-FBGA
Manufacturer
Xilinx Inc
Series
Virtex™-5 LXr
Datasheets
1.XC5VLX30-1FFG324C.pdf
(91 pages)
2.XC5VLX30-1FFG324C.pdf
(13 pages)
3.XC5VLX30-1FFG324C.pdf
(385 pages)
Specifications of XC5VLX50-3FFG676C
Number Of Logic Elements/cells
46080
Number Of Labs/clbs
3600
Total Ram Bits
1769472
Number Of I /o
440
Voltage - Supply
0.95 V ~ 1.05 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
676-BBGA, FCBGA
For Use With
HW-V5-ML561-UNI-G - EVALUATION PLATFORM VIRTEX-5HW-V5-ML550-UNI-G - EVALUATION PLATFORM VIRTEX-5HW-V5-ML521-UNI-G - EVALUATION PLATFORM VIRTEX-5HW-V5GBE-DK-UNI-G - KIT DEV V5 LXT GIGABIT ETHERNET122-1508 - EVALUATION PLATFORM VIRTEX-5
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Other names
122-1582
XC5VLX50-3FFG676C
XC5VLX50-3FFG676C
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XC5VLX50-3FFG676C
Manufacturer:
Xilinx Inc
Quantity:
10 000
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Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010
Output Slew Rate Attributes
Output Drive Strength Attributes
PULLUP/PULLDOWN/KEEPER for IBUF, OBUFT, and IOBUF
Differential Termination Attribute
A variety of attribute values provide the option of choosing the desired slew rate for
single-ended I/O output buffers. For LVTTL and LVCMOS output buffers (OBUF, OBUFT,
and IOBUF), the desired slew rate can be specified with the SLEW attribute.
The allowed values for the SLEW attribute are:
•
•
The SLEW attribute uses the following syntax in the UCF file:
By the default, the slew rate for each output buffer is set to SLOW. This is the default used
to minimize the power bus transients when switching non-critical signals.
For LVTTL and LVCMOS output buffers (OBUF, OBUFT, and IOBUF), the desired drive
strength (in mA) can be specified with the DRIVE attribute.
The allowed values for the DRIVE attribute are:
•
•
•
•
•
•
•
LVCMOS12 only supports the 2, 4, 6, 8 mA DRIVE settings. LVCMOS15 and LVCMOS18
only support the 2, 4, 6, 8, 12, and 16 mA DRIVE settings.
The DRIVE attribute uses the following syntax in the UCF file:
When using 3-state output (OBUFT) or bidirectional (IOBUF) buffers, the output can have
a weak pull-up resistor, a weak pull-down resistor, or a weak “keeper” circuit. For input
(IBUF) buffers, the input can have either a weak pull-up resistor or a weak pull-down
resistor. This feature can be invoked by adding the following possible constraint values to
the relevant net of the buffers:
•
•
•
The differential termination (DIFF_TERM) attribute is designed for the Virtex-5 FPGA
supported differential input I/O standards. It is used to turn the built-in, 100Ω, differential
termination on or off.
SLEW = SLOW (Default)
SLEW = FAST
INST <I/O_BUFFER_INSTANTIATION_NAME> SLEW = "<SLEW_VALUE>";
DRIVE = 2
DRIVE = 4
DRIVE = 6
DRIVE = 8
DRIVE = 12 (Default)
DRIVE = 16
DRIVE = 24
INST <I/O_BUFFER_INSTANTIATION_NAME> DRIVE = "<DRIVE_VALUE>";
PULLUP
PULLDOWN
KEEPER
www.xilinx.com
Virtex-5 FPGA SelectIO Primitives
237
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