
Altera Corporation
5–7
April 2011
Stratix II Device Handbook, Volume 1
DC & Switching Characteristics
Figure 5–1. Receiver Input Waveforms for Differential I/O Standards
Figure 5–2. Transmitter Output Waveforms for Differential I/O Standards
Single-Ended Waveform
Differential Waveform
Positive Channel (p) = VIH
Negative Channel (n) = VIL
Ground
VID
p
n = 0 V
VCM
Single-Ended Waveform
Differential Waveform
Positive Channel (p) = VOH
Negative Channel (n) = VOL
Ground
VOD
p
n = 0 V
VCM