Chapter 7: High-Speed Differential Interfaces in the Cyclone III Device Family
7–5
High-Speed I/O Interface
Table 7–2. Cyclone III Device Family Differential Channels (Part 2 of 2)
(1), (2)
Number of Differential Channels
Clock
Cyclone III Device Family
Device
Package
User I/O
Clock Input
Total
Output
U484
F484
F780
U484
F484
F780
F484
F780
F484
F780
101
101
169
101
101
169
75
8
8
8
8
8
8
8
8
8
8
4
4
4
4
4
4
4
4
4
4
113
113
181
113
113
181
87
EP3CLS70
EP3CLS100
Cyclone III LS Devices
EP3CLS150
EP3CLS200
169
75
181
87
169
181
Notes to Table 7–2:
(1) User I/O pins are used as inputs or outputs; clock input pins are used as inputs only; clock output pins are used as output only.
(2) For differential pad placement guidelines, refer to the I/O Features in the Cyclone III Device Family chapter.
Table 7–3 lists the numbers of differential channels that can be migrated in
Cyclone III devices.
(1)
Table 7–3. Cyclone III Devices Migratable Differential Channels
(Part 1 of 2)
Migratable Channels
Package
Migration Between Devices
Type
User I/O
CLK
4
Total
20
9
EP3C5 and EP3C10
EP3C5 and EP3C16
EP3C5 and EP3C25
EP3C10 and EP3C16
EP3C10 and EP3C25
EP3C16 and EP3C25
EP3C5 and EP3C10
EP3C5 and EP3C16
EP3C10 and EP3C16
EP3C16 and EP3C25
EP3C16 and EP3C40
EP3C25 and EP3C40
EP3C5 and EP3C10
EP3C5 and EP3C16
EP3C5 and EP3C25
EP3C10 and EP3C16
EP3C10 and EP3C25
EP3C16 and EP3C25
16
5
4
6
4
10
9
E144
5
4
6
4
10
13
26
15
14
31
19
20
66
43
44
43
44
41
5
8
22
11
19
23
11
12
62
39
40
39
40
33
4
M164
Q240
4
4
8
8
8
4
4
4
F256
4
4
8
December 2011 Altera Corporation
Cyclone III Device Handbook
Volume 1
ALTERA [ ALTERA CORPORATION ]
