XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 279

• 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
External Termination
DCI
HSTL_IV_DCI_18
HSTL Class IV (1.8V)
R
HSTL_IV_18
Figure 6-57: HSTL Class IV (1.8V) with Unidirectional Termination
Table 6-22
Table 6-22: HSTL Class III (1.8V) DC Voltage Specifications
Figure 6-57
for HSTL Class IV (1.8V).
Notes:
1. V
2. Per EIA/JESD8-6, “The value of V
V
V
V
V
V
V
V
I
I
IOB
OH
OL
R
CCO
REF
TT
IH
IL
OH
OL
the use conditions specified by the user.”
VRP
OL
at V
at V
(2)
and V
= Z 0 = 50Ω
OL
OH
lists the HSTL Class III (1.8V) DC voltage specifications.
V
(mA)
shows a sample circuit illustrating a valid unidirectional termination technique
V
TT
OH
(mA)
CCO
= 1.8V
for lower drive currents are sample tested.
R P = Z 0 = 50Ω
(1)
= 1.8V
(1)
IOB
Specific Guidelines for Virtex-4 FPGA I/O Supported Standards
www.xilinx.com
Z 0
REF
R P = Z 0 = 50Ω
Z 0
is to be selected by the user to provide optimum noise margin in
V
V
V
TT
CCO
REF
IOB
V
Min
= 1.8V
CCO
1.7
–8
24
–
–
–
–
+ 0.1
– 0.4
R
= 1.8V
VRP
IOB
= Z 0 = 50Ω
V
REF
V
REF
= 1.1V
= 1.1V
V
Typ
1.8
1.1
CCO
–
–
–
–
–
–
HSTL_IV_DCI_18
HSTL_IV_18
+
ug070_6_55_071904
+
V
REF
Max
1.9
0.4
–
–
–
–
–
–
– 0.1
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