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EP2C5T144I8N Datasheet, PDF (328/470 Pages) Altera Corporation – Cyclone II Device Handbook, Volume 1 | |||
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I/O Standards Support
Figure 11â4. Receiver Input Waveforms for the LVDS Differential I/O Standard
Single-Ended Waveform
VID
VICM
Positive Channel (p) = VOH
Negative Channel (n) = VOL
Ground
Differential Waveform (Mathematical Function of Positive & Negative Channel)
VID
VID
0V
VID
p â n (1)
Note to Figure 11â4:
(1) The p â n waveform is a function of the positive channel (p) and the negative channel (n).
Figure 11â5. Transmitter Output Waveform for the LVDS Differential I/O Standard Note (2)
Single-Ended Waveform
VOS
VOD
Positive Channel (p) = VOH
Negative Channel (n) = VOL
Ground
Differential Waveform (Mathematical Function of Positive & Negative Channel)
VOD
VOD
0V
p â n (2)
Notes to Figure 11â5:
(1) The VOD specifications apply at the resistor network output.
(2) The p â n waveform is a function of the positive channel (p) and the negative channel (n).
11â6
Cyclone II Device Handbook, Volume 1
Altera Corporation
February 2007
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