EP4SE360F35I4 Datasheet, PDF (216/432 Pages) Altera Corporation – This section provides a complete overview of all features relating to the Stratix IV device family, which is the most architecturlly advanced

6–42
Chapter 6: I/O Features in Stratix IV Devices
Termination Schemes for I/O Standards
Figure 6–30. Differential HSTL I/O Standard Termination
Termination
Differential HSTL Class I
External
On-Board
Termination
Transmitter
VTT VTT
50 Ω
50 Ω
50 Ω
50 Ω
Receiver
OCT
Differential HSTL Class I
Series OCT 50 Ω
Transmitter
VCCIO
Z0= 50 Ω
Z0= 50 Ω
100 Ω
100 Ω
VCCIO
GND
100 Ω
100 Ω
GND
Receiver
Differential HSTL Class II
Transmitter
VTT VTT
VTT VTT
50 Ω
50 Ω 50 Ω
50 Ω
50 Ω
50 Ω
Receiver
Differential HSTL Class II
Series OCT 25 Ω
VTT
50 Ω
Z0= 50 Ω
VTT
50 Ω
Z0= 50 Ω
Transmitter
VCCIO
100 Ω
100 Ω
VCCIO
GND
100 Ω
100 Ω
GND
Receiver
Stratix IV Device Handbook
Volume 1
September 2012 Altera Corporation