XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 245

• 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

Virtex-4 FPGA User Guide
UG070 (v2.6) December 1, 2008
R
Recommended
Z 0
Conventional
DCI Transmit
Conventional
Receive
Conventional
Transmit
DCI Receive
DCI Transmit
DCI Receive
Bidirectional
Reference
Resistor
Notes:
1. The SSTL-compatible 25Ω series resistor is accounted for in the DCI buffer,
2. Z 0 is the recommended PCB trace impedance.
(2)
and it is not DCI controlled.
Figure 6-15: SSTL DCI Usage Examples
Virtex-4 FPGA
Virtex-4 FPGA
www.xilinx.com
25Ω
25Ω
SSTL2_I or SSTL18_I
DCI
DCI
VRN = VRP = R = Z 0
(1)
(1)
R/2
R/2
SelectIO Technology Resources General Guidelines
50 Ω
Z 0
N/A
Z 0
Z 0
Z 0
V
V
CCO
R
CCO
R
Virtex-4 FPGA
Virtex-4 FPGA
V
V
CCO
/2
CCO
/2
2R
2R
2R
2R
DCI
DCI
Virtex-4 FPGA
Virtex-4 FPGA
25Ω
25Ω
25Ω
Virtex-4 FPGA
(1)
(1)
SSTL2_II or SSTL18_II
DCI
DCI
VRN = VRP = R = Z 0
(1)
V
DCI
V
2R
2R
CCO
CCO
V
2R
2R
V
R/2
CCO
CCO
2R
2R
V
R/2
CCO
R
/2
50 Ω
R
/2
Z 0
Z 0
Z 0
Z 0
Z 0
UG070_6_15_031108
V
V
R
R
CCO
CCO
Virtex-4 FPGA
Virtex-4 FPGA
Virtex-4 FPGA
2R
2R
V
V
V
CCO
CCO
CCO
/2
2R
2R
/2
2R
2R
DCI
25Ω
DCI
DCI
245