XC5VLX220-2FF1760I Xilinx Inc, XC5VLX220-2FF1760I Datasheet - Page 280

• Manufacturer Part Number: XC5VLX220-2FF1760I
• Description: IC FPGA VIRTEX-5 220K 1760FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-5 LXr

Specifications of XC5VLX220-2FF1760I

• Number Of Logic Elements/cells: 221184
• Number Of Labs/clbs: 17280
• Total Ram Bits: 7077888
• Number Of I /o: 800
• Voltage - Supply: 0.95 V ~ 1.05 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 1760-BBGA, FCBGA
• For Use With: HW-AFX-FF1760-500-G - BOARD DEV VIRTEX 5 FF1760
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

Chapter 6: SelectIO Resources
X-Ref Target - Figure 6-71
280
External Termination
DCI
SSTL2_II
SSTL2_II_DCI
R 0 = 25
Ω
V
REF
V
= 1.25V
REF
IOB
= 1.25V
2R
2R
Figure 6-71
for SSTL2 Class II.
Figure 6-71: SSTL2 Class II with Bidirectional Termination
VRN
VRP
R S = 25Ω
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
shows a sample circuit illustrating a valid bidirectional termination technique
V
V
TT
CCO
= 1.25V
= 2.5V
R P = Z 0 = 50Ω
IOB
www.xilinx.com
R P = Z 0 = 50Ω
Z 0
Z 0
V
TT
IOB
V
= 1.25V
CCO
R S = 25Ω
2R
2R
= 2.5V
VRP
VRN
= 2Z 0 = 100Ω
= 2Z 0 = 100Ω
IOB
V
REF
Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010
V
= 1.25V
REF
= 1.25V
SSTL2_II_DCI
SSTL2_II
ug190_6_67_030506
+
–
R 0 = 25
+
–
Ω