7–4
Chapter 7: High-Speed Differential Interfaces in the Cyclone III Device Family
High-Speed I/O Interface
Table 7–2 lists the total number of supported row and column differential channels in
the Cyclone III device family.
Table 7–2. Cyclone III Device Family Differential Channels (Part 1 of 2)
(1), (2)
Number of Differential Channels
Clock
Cyclone III Device Family
Device
Package
User I/O
Clock Input
Total
Output
E144
F256
M164
U256
E144
F256
M164
U256
E144
E240
F256
F484
M164
U256
U484
E144
E240
F256
F324
U256
E240
F324
F484
F780
U484
F484
F780
U484
F484
F780
U484
F484
F780
16
62
4
4
4
4
4
4
4
4
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
2
2
2
2
2
2
2
2
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
22
68
EP3C5
22
28
62
68
16
22
62
68
EP3C10
EP3C16
22
28
62
68
7
19
35
47
43
55
128
11
140
23
43
55
128
6
140
18
Cyclone III Devices
31
43
EP3C25
42
54
71
83
42
54
14
26
49
61
EP3C40
EP3C55
115
215
115
123
151
123
101
169
101
94
127
227
127
135
163
135
113
181
113
106
233
EP3C80
EP3C120
221
Cyclone III Device Handbook
Volume 1
December 2011 Altera Corporation
ALTERA [ ALTERA CORPORATION ]
