EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 115

• Manufacturer Part Number: EP3C16F256I7N
• Description: Cyclone III
• Manufacturer: Altera

Chapter 6: I/O Features in the Cyclone III Device Family
Termination Scheme for I/O Standards
Figure 6–9. Cyclone III Device Family Differential SSTL I/O Standard Termination
Note to
(1) Only Differential SSTL-2 I/O standard supports Class II output.
© December 2009
Termination
Termination
On-Board
External
Figure
OCT
6–9:
Altera Corporation
Cyclone III Device
Family Series OCT
Transmitter
Transmitter
50
Figure 6–8. Cyclone III Device Family Differential HSTL I/O Standard Termination
Differential SSTL Class I
25
25
50
50
50
50
50
50
V TT
V TT
Termination
Termination
50
On-Board
50
External
V TT
OCT
V TT
Receiver
Receiver
Cyclone III Device
Family Series OCT
Transmitter
Transmitter
50
Cyclone III Device
Family Series OCT
Transmitter
Transmitter
25
Differential HSTL
V TT
V TT
50
V TT
25
25
Differential SSTL Class II
50
V TT V TT
(Note 1)
V TT
V TT
V TT
50
50
Cyclone III Device Handbook, Volume 1
50
50
50
50
Receiver
Receiver
50
50
V TT
V TT V TT
50
V TT
50
Receiver
Receiver
6–15