XC2S50 Xilinx, Inc., XC2S50 Datasheet - Page 50

• Manufacturer Part Number: XC2S50
• Description: Spartan-II 2.5V FPGA Family
• Manufacturer: Xilinx, Inc.

CTT
A sample circuit illustrating a valid termination technique for
CTT appear in
in
Table 28: CTT Voltage Specifications
DS001-2 (v2.2) September 3, 2003
Product Specification
Notes:
1.
V
V
V
V
V
V
V
I
I
OH
OL
Table 28
OH
OL
CCO
REF
TT
IH
IL
Timing delays are calculated based on V
at V
≤ V
CTT
at V
≥ V
≤ V
≥ V
V
REF
CCO
REF
OL
REF
Parameter
OH
REF
.
(mA)
R
= 3.3V
– 0.2
(mA)
+ 0.2
– 0.4
+ 0.4
Figure
Figure 50: Terminated CTT
50. DC voltage specifications appear
Z = 50
2.05
V
1.35
1.35
1.55
1.75
Min
REF
–8
8
-
-
(1)
= 1.5V
50Ω
V
TT
= 1.5V
CCO
Typ
3.3
1.5
1.5
1.7
1.3
1.9
1.1
DS001_51_061200
-
-
min of 3.0V.
Max
1.65
1.65
1.45
1.25
3.6
www.xilinx.com
-
-
-
-
1-800-255-7778
PCI33_3 and PCI66_3
PCI33_3 or PCI66_3 require no termination. DC voltage
specifications appear in
Table 29: PCI33_3 and PCI66_3 Voltage Specifications
PCI33_5
PCI33_5 requires no termination. DC voltage specifications
appear in
Table 30: PCI33_5 Voltage Specifications
Notes:
1.
Notes:
1.
V
V
V
V
V
V
V
I
I
V
V
V
V
V
V
V
I
I
OH
OL
OH
OL
OH
OL
OH
OL
CCO
REF
TT
IH
IL
CCO
REF
TT
IH
IL
Spartan-II 2.5V FPGA Family: Functional Description
Tested according to the relevant specification.
Tested according to the relevant specification.
at V
at V
= 0.3 × V
= 0.5 × V
at V
at V
= 0.1 × V
= 0.9 × V
Parameter
OL
OL
OH
OH
Parameter
Table
(mA)
(mA)
(mA)
(mA)
CCO
CCO
CCO
CCO
30.
Table
Note 1
Note 1
–0.5
Min
3.0
1.5
2.7
-
-
-
29.
Note 1
Note 1
1.425
–0.5
Min
3.0
2.4
-
-
-
1.65
0.99
Typ
3.3
-
-
-
-
-
-
Typ
3.3
1.5
1.0
-
-
-
-
-
-
V
Module 2 of 4
CCO
Max
1.08
0.36
3.6
-
-
-
-
-
+ 0.5
Max
1.05
0.55
3.6
5.5
-
-
-
-
-
43