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EP3C80 Datasheet(PDF) 129 Page - Altera Corporation

Part # EP3C80
Description  Chapter Revision Dates
PDF  274 Pages
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Manufacturer  ALTERA [Altera Corporation]
Direct Link  http://www.altera.com
Logo ALTERA - Altera Corporation

EP3C80 Datasheet(HTML) 129 Page - Altera Corporation

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Chapter 7: High-Speed Differential Interfaces in the Cyclone III Device Family
7–7
High-Speed I/O Standards Support
December 2011
Altera Corporation
Cyclone III Device Handbook
Volume 1
Table 7–4 lists the numbers of differential channels that can be migrated in
Cyclone III LS devices.
High-Speed I/O Standards Support
This section provides information about the high-speed I/O standards supported in
the Cyclone III device family.
LVDS I/O Standard Support in the Cyclone III Device Family
The LVDS I/O standard is a high-speed, low-voltage swing, low power, and general
purpose I/O interface standard. The Cyclone III device family meets the
ANSI/TIA/EIA-644 standard with the following exceptions:
■
The maximum differential output voltage (VOD) is increased to 600 mV. The
maximum VOD for ANSI specification is 450 mV.
■
The input voltage range is reduced to the range of 1.0 V to 1.6 V, 0.5 V to 1.85 V, or
0 V to 1.8 V based on different frequency ranges. The ANSI/TIA/EIA-644
specification supports an input voltage range of 0 V to 2.4 V.
f For more information about the LVDS I/O standard electrical specifications in the
Cyclone III device family, refer to the Cyclone III Device Data Sheet and Cyclone III LS
Device Data Sheet chapters.
Table 7–4. Cyclone III LS Devices Migratable Differential Channels (1)
Package
Type
Migration between Devices
Migratable Channels
User I/O
Clock
Input
Clock
Output
Total
U484
EP3CLS70 and EP3CLS100
101
8
4
113
F484
EP3CLS70 and EP3CLS100
101
8
4
113
EP3CLS70 and EP3CLS150
71
8
4
83
EP3CLS70 and EP3CLS200
71
8
4
83
EP3CLS100 and EP3CLS150
71
8
4
83
EP3CLS100 and EP3CLS200
71
8
4
83
EP3CLS150 and EP3CLS200
75
8
4
87
F780
EP3CLS70 and EP3CLS100
169
8
4
181
EP3CLS70 and EP3CLS150
169
8
4
181
EP3CLS70 and EP3CLS200
169
8
4
181
EP3CLS100 and EP3CLS150
169
8
4
181
EP3CLS100 and EP3CLS200
169
8
4
181
EP3CLS150 and EP3CLS200
169
8
4
181
Note to Table 7–4:
(1) The migratable differential channels for Cyclone III devices are not directly migratable to Cyclone III LS devices
and vice versa.



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