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EP2AGX190FF35C4N Datasheet, PDF (42/90 Pages) Altera Corporation – Volume 3: Device Datasheet and Addendum | |||
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1â34
Chapter 1: Device Datasheet for Arria II Devices
Switching Characteristics
Figure 1â3 shows the differential receiver input waveform.
Figure 1â3. Receiver Input Waveform
Single-Ended Waveform
VID
VCM
Positive Channel (p)
Negative Channel (n)
Ground
Differential Waveform
VID
VID (diff peak-peak) = 2 x VID (single-ended)
pân=0V
VID
Figure 1â4 shows the transmitter output waveform.
Figure 1â4. Transmitter Output Waveform
Single-Ended Waveform
VCM
VOD
Positive Channel (p)
Negative Channel (n)
Ground
Differential Waveform
VOD
VOD (diff peak-peak) = 2 x VOD (single-ended)
pân=0V
VOD
Table 1â36 lists the typical VOD for TX term that equals 85 ï. for Arria II GZ devices.
Table 1â36. Typical VOD Setting, TX Term = 85 ïï for Arria II GZ Devices
Symbol
VOD Setting (mV)
0
1
2
3
4
5
VOD differential
170 ± 340 ± 510 ± 595 ± 680 ± 765 ±
peak-to-peak Typical (mV) 20% 20% 20% 20% 20% 20%
6
7
850 ± 1020 ±
20% 20%
Arria II Device Handbook Volume 3: Device Datasheet and Addendum
July 2012 Altera Corporation
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