XC4VFX20-10FFG672C Xilinx Inc, XC4VFX20-10FFG672C Datasheet - Page 278

• 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

Chapter 6: SelectIO Resources
278
HSTL Class III (1.8V)
Table 6-21
Table 6-21: Differential HSTL Class II (1.8V) DC Voltage Specifications
Figure 6-56
Class III (1.8V).
Notes:
1. Common mode voltage: V
2. Crossover point: V
V
V
V
V
V
V
V
CCO
TT
IN
DIFF
CM
DIFF
X
(Crossover)
(DC)
(DC)
(DC)
(AC)
External Termination
DCI
HSTL_III_DCI_18
lists the differential HSTL Class II (1.8V) DC voltage specifications.
(1)
HSTL_III_18
shows a sample circuit illustrating a valid termination technique for HSTL
(2)
IOB
IOB
X
Figure 6-56: HSTL Class III (1.8V) Termination
where V
CM
www.xilinx.com
P
= V
– V
P
N
– ((V
Z 0
Z 0
= 0 (AC coupled)
R P = Z 0 = 50Ω
P
– V
N
)/2
V
V
–0.30
TT
IOB
Min
0.20
0.78
0.40
0.78
CCO
1.7
–
= 1.8V
= 1.8V
R
VRP
= Z 0 = 50Ω
IOB
V
V
REF
REF
V
UG070 (v2.6) December 1, 2008
CCO
= 1.1V
= 1.1V
Typ
1.8
–
–
–
–
–
Virtex-4 FPGA User Guide
× 0.5
HSTL_III_DCI_18
HSTL_III_18
ug070_6_54_071904
+
+
V
V
V
CCO
CCO
CCO
Max
1.12
1.12
1.9
–
+ 0.30
+ 0.60
+ 0.60
R