EP2AGX260EF29I3N Datasheet, PDF (34/78 Pages) Altera Corporation – Device Datasheet for Arria II Devices

1–34
Chapter 1: Device Datasheet for Arria II Devices
Switching Characteristics
Figure 1–3 shows the differential receiver input waveform.
Figure 1–3. Receiver Input Waveform
Single-Ended Waveform
V_ID
V_CM
Positive Channel (p)
Negative Channel (n)
Ground
Differential Waveform
V_ID
VID (diff peak-peak) = 2 x VID (single-ended)
p−n=0V
V_ID
Figure 1–4 shows the transmitter output waveform.
Figure 1–4. Transmitter Output Waveform
Single-Ended Waveform
V_CM
V_OD
Positive Channel (p)
Negative Channel (n)
Ground
Differential Waveform
V_OD
VOD (diff peak-peak) = 2 x VOD (single-ended)
p−n=0V
V_OD
Table 1–36 lists the typical V_OD for TX term that equals 85 . for Arria II GZ devices.
Table 1–36. Typical V_OD Setting, TX Term = 85 for Arria II GZ Devices
Symbol
V_OD Setting (mV)
0
1
2
3
4
5
V_OD 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
December 2013 Altera Corporation