EP3C16F256I7 Altera, EP3C16F256I7 Datasheet - Page 203

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

Figure 8–11. Transmitter Output Signal Level Waveforms for mini-LVDS
Note to
(1)
Altera Corporation-Preliminary
March 2007
The p – n waveform is a function of the positive channel (
Single-Ended Waveform
Differential Waveform (Mathematical Function of Positive & Negative Channel)
Figure
8–11:
V
OS
Figure 8–11
Designing with mini-LVDS
Similar to RSDS, there is no external resistor network required when you
use a dedicated mini-LVDS output buffer on the left and right I/O banks.
Figure 8–12
buffer. For a non-dedicated output buffer on the top and bottom I/O
banks, an external resistor network is required, as shown in
The resistor values chosen should satisfy the equation shown in
“Designing with RSDS” on page
V
V
shows the mini-LVDS transmitter output signal waveforms.
shows the mini-LVDS I/O interface with a dedicated output
OD
OD
p
) and the negative channel (
8–10.
Cyclone III Device Handbook, Volume 1
V
OD
High-Speed I/O Standards Support
0 V
p − n (1)
Positive Channel (p) = V
Negative Channel (n) = V
Ground
n
).
Figure
OH
OL
8–13.
8–13