XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 298

• Manufacturer Part Number: XC4VFX20-10FFG672C
• Description: IC FPGA VIRTEX-4 FX 20K 672-FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-4r

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

Chapter 6: SelectIO Resources
298
when combined with the three resistor output termination circuit form a compliant
LVPECL output.
Table 6-37
Table 6-37: Available LVPECL Primitives
IOSTANDARD
CAPACITANCE
LVPECL_25
LVPECL_25
Attributes
summarizes all the possible LVPECL I/O standards and attributes supported.
IOB
Figure 6-77: LVPECL Transmitter Termination
IBUFDS/IBUFGDS
www.xilinx.com
LOW, NORMAL,
DONT_CARE
70Ω
70Ω
R
R
S
S
R DIV
187Ω
Z 0 = 50Ω
Z 0 = 50Ω
R DIFF = 100Ω
OBUFDS/OBUFTDS
Primitives
NORMAL
LVPECL
INX
IN
UG070 (v2.6) December 1, 2008
Virtex-4 FPGA User Guide
IOB
LOW, NORMAL,
DONT_CARE
LVPECL_25
IOBUFDS
+
-
ug070_6_75_071904
Data in
R