XC4VFX40-10FFG1152C Xilinx Inc, XC4VFX40-10FFG1152C Datasheet - Page 288

• Manufacturer Part Number: XC4VFX40-10FFG1152C
• Description: IC FPGA VIRTEX-4 FX 40K 1152FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-4r

Specifications of XC4VFX40-10FFG1152C

• Number Of Logic Elements/cells: 41904
• Number Of Labs/clbs: 4656
• Total Ram Bits: 2654208
• Number Of I /o: 448
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 1152-BBGA, FCBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

Chapter 6: SelectIO Resources
288
SSTL18 Class I (1.8V)
Figure 6-66
Class I (1.8V).
External Termination
DCI
SSTL18_I_DCI
SSTL18_I
shows a sample circuit illustrating a valid termination technique for SSTL
R 0 = 20
IOB
Ω
Figure 6-66: SSTL18 (1.8V) Class I Termination
IOB
R S = 20Ω
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Z 0
Z 0
Z 0
50Ω
V
V
TT
IOB
CCO
= 0.9V
= 1.8V
2R
2R
VRP
VRN
IOB
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
V
V
REF
REF
UG070 (v2.6) December 1, 2008
= 0.9V
= 0.9V
Virtex-4 FPGA User Guide
SSTL18_I_DCI
SSTL18_I
ug070_6_64_071904
+
+
R