XC4VFX40-10FFG1152C Xilinx Inc, XC4VFX40-10FFG1152C Datasheet - Page 274

• 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
274
External Termination
DCI
HSTL_II_DCI_18
HSTL Class II (1.8V)
HSTL_II_18
Figure 6-50: HSTL Class II (1.8V) with Unidirectional Termination
2R
2R
Figure 6-50
Class II (1.8V) with unidirectional termination.
IOB
VRN
VRP
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
V
V
shows a sample circuit illustrating a valid termination technique for HSTL
TT
CCO
= 0.9V
R P = Z 0 = 50Ω
= 1.8V
IOB
www.xilinx.com
Z 0
R P = Z 0 = 50Ω
Z 0
V
TT
IOB
V
= 0.9V
CCO
2R
2R
= 1.8V
VRP
VRN
IOB
V
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
REF
V
REF
= 0.9V
UG070 (v2.6) December 1, 2008
= 0.9V
Virtex-4 FPGA User Guide
HSTL_II_DCI_18
HSTL_II_18
ug070_6_48_071904
+
+
R