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