Specifications

Figure 5-21: Differential SSTL I/O Standard Termination
This figure shows the details of Differential SSTL I/O termination on Cyclone V devices.
Transmitter Receiver Transmitter Receiver
Series OCT 25 Ω
Transmitter Receiver
Series OCT 50 Ω
Transmitter Receiver
25 Ω
50 Ω
50 Ω
V
TT
25 Ω
50 Ω
50 Ω
V
TT
25 Ω
50 Ω
50 Ω
V
TT
25 Ω
50 Ω
50 Ω
V
TT
50 Ω
V
TT
50 Ω
V
TT
50 Ω
V
TT
100 Ω
100 Ω
GND
V
CCIO
100 Ω
100 Ω
GND
V
CCIO
50 Ω
V
TT
100 Ω
100 Ω
GND
V
CCIO
100 Ω
100 Ω
GND
V
CCIO
Differential SSTL Class ITermination
OCT
Differential SSTL Class II
External
On-Board
Termination
Z
0
= 50 Ω
Z
0
= 50 Ω
Z
0
= 50 Ω
Z
0
= 50 Ω
Figure 5-22: Differential HSTL I/O Standard Termination
This figure shows the details of Differential HSTL I/O standard termination on Cyclone V devices.
Transmitter Receiver Transmitter Receiver
Series OCT 25 Ω
Transmitter Receiver
Series OCT 50 Ω
Transmitter Receiver
50 Ω
50 Ω
V
TT
50 Ω
50 Ω
V
TT
50 Ω
50 Ω
V
TT
50 Ω
50 Ω
V
TT
50 Ω
V
TT
50 Ω
V
TT
50 Ω
V
TT
100 Ω
100 Ω
GND
V
CCIO
100 Ω
100 Ω
GND
V
CCIO
50 Ω
V
TT
100 Ω
100 Ω
GND
V
CCIO
100 Ω
100 Ω
GND
V
CCIO
Differential HSTL Class ITermination
OCT
Differential HSTL Class II
External
On-Board
Termination
Z
0
= 50 Ω
Z
0
= 50 Ω
Z
0
= 50 Ω
Z
0
= 50 Ω
LVDS, RSDS, SLVS, and Mini-LVDS Termination
All I/O banks have dedicated circuitry to support the true LVDS, RSDS, SLVS, and mini-LVDS I/O standards
by using true LVDS output buffers without resistor networks.
Altera Corporation
I/O Features in Cyclone V Devices
Send Feedback
5-47
LVDS, RSDS, SLVS, and Mini-LVDS Termination
CV-52005
2013.06.21