EP3C16F256I7 Altera, EP3C16F256I7 Datasheet - Page 175

• Manufacturer Part Number: EP3C16F256I7
• Description: Cyclone III
• Manufacturer: Altera

Figure 7–10. Cyclone III HSTL I/O Standard Termination
Altera Corporation-Preliminary
March 2007
External
On-Board
Termination
Termination
OCT With
and Without
Calibration
Cyclone III
Series OCT 50 Ω
Transmitter
Transmitter
HSTL Class I
50 Ω
50 Ω
50 Ω
V REF
V REF
50 Ω
V TT
V TT
Receiver
Receiver
Cyclone III
Series OCT 25 Ω
Transmitter
Transmitter
Cyclone III Device Handbook, Volume 1
Termination Scheme for I/O Standards
V TT
HSTL Class II
50 Ω
V TT
50 Ω
50 Ω
V REF
50 Ω
50 Ω
V TT
V REF
50 Ω
V TT
Receiver
Receiver
7–23