EP2AGX190FF35C4N Datasheet, PDF (76/90 Pages) Altera Corporation – Volume 3: Device Datasheet and Addendum

1–68
Chapter 1: Device Datasheet for Arria II Devices
Switching Characteristics
Figure 1–6 shows the LVDS soft-CDR/DPA sinusoidal jitter tolerance specification for
Arria II GZ devices at 1.25 Gbps data rate.
Figure 1–6. LVDS Soft-CDR/DPA Sinusoidal Jitter Tolerance Specification for Arria II GZ Devices at a 1.25 Gbps Data Rate
Sinusoidal Jitter Amplitude (UI)
25
8.5
0.35
0.1
10,000 (F1) 17,565 (F2)
1,493,000 (F3)
Jitter Frequency (Hz)
50,000,000 (F4)
Table 1–56 lists the LVDS soft-CDR/DPA sinusoidal jitter tolerance specification for
Arria II GZ devices at 1.25 Gbps data rate.
Table 1–56. LVDS Soft-CDR/DPA Sinusoidal Jitter Mask Values for Arria II GZ Devices at
1.25 Gbps Data Rate
Jitter Frequency (Hz)
Sinusoidal Jitter (UI)
F1
10,000
25.000
F2
17,565
25.000
F3
1,493,000
0.350
F4
50,000,000
0.350
External Memory Interface Specifications
f For the maximum clock rate supported for Arria II GX and GZ device family, refer to
the External Memory Interface Spec Estimator page on the Altera website.
Table 1–57 lists the external memory interface specifications for Arria II GX devices.
Table 1–57. External Memory Interface Specifications for Arria II GX Devices (Part 1 of 2)
Frequency
Mode
Frequency Range (MHz)
C4
I3, C5, I5
C6
Resolution
(°)
DQS Delay
Buffer Mode
(1)
0
90-140
90-130
90-110
22.5
Low
1
110-180
110-170
110-150
30
Low
2
140-220
140-210
140-180
36
Low
3
170-270
170-260
170-220
45
Low
4
220-340
220-310
220-270
30
High
Number of
Delay Chains
16
12
10
8
12
Arria II Device Handbook Volume 3: Device Datasheet and Addendum
July 2012 Altera Corporation