DC & Switching Characteristics
Figure 5–1. Receiver Input Waveforms for Differential I/O Standards
Single-Ended Waveform
Positive Channel (p) = V
IH
V
ID
Negative Channel (n) = V
Ground
IL
V
CM
Differential Waveform
V
ID
p − n = 0 V
V
ID
Figure 5–2. Transmitter Output Waveforms for Differential I/O Standards
Single-Ended Waveform
Positive Channel (p) = V
OH
V
OD
Negative Channel (n) = V
Ground
OL
V
CM
Differential Waveform
V
OD
p − n = 0 V
V
OD
Altera Corporation
April 2011
5–7
Stratix II Device Handbook, Volume 1