EP2SGX60CF780C4N Datasheet, PDF (187/316 Pages) Altera Corporation – Support for numerous single-ended and differential I/O standards

DC and Switching Characteristics
Table 4–17. Typical Pre-Emphasis (First Post-Tap), Note (1)
V_{C C H} TX
= 1.2 V
First Post Tap Pre-Emphasis Level
V_OD
Setting 1
(mV)
192
45%
384
576
768
960
2
41%
23%
15%
3
4
5
6
7
8
9
10 11 12
TX Term = 120 Ω
76%
38%
24%
18%
114%
55%
36%
22%
166%
84%
47%
30%
257%
108%
64%
41%
355%
137%
80%
51%
179%
97%
63%
226%
122%
77%
280%
140%
86%
405%
170%
98%
477%
196%
116%
Note to Table 4–17:
(1) Applicable to data rates from 600 Mbps to 3.125 Gbps. Specification is for measurement at the package ball.
Table 4–18. Typical Pre-Emphasis (First Post-Tap), Note (1)
V_{C C H} TX
= 1.2 V
First Post Tap Pre-Emphasis Level
V_OD
Setting 1
(mV)
240
31%
480
720
960
2
85%
32%
19%
3
52%
28%
17%
4
5
6
7
8
9
10 11 12
TX Term = 150 Ω
78%
37%
22%
112%
56%
30%
152%
68%
39%
195%
86%
51%
275%
108%
59%
133%
75%
169%
85%
194%
94%
239%
109%
Note to Table 4–18:
(1) Applicable to data rates from 600 Mbps to 3.125 Gbps. Specification is for measurement at the package ball.
Altera Corporation
June 2009
4–17
Stratix II GX Device Handbook, Volume 1