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EP2AGX95EF29C6N Datasheet, PDF (167/380 Pages) Altera Corporation – Device Interfaces and Integration
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Chapter 6: I/O Features in Arria II Devices
6–3
I/O Standards Support
Table 6–2 lists the supported I/O standards for Arria II GZ devices and the typical
values for input and output VCCIO, VCCPD, VREF, and board VTT.
Table 6–2. I/O Standards and Voltage Levels for Arria II GZ Devices (Note 1) (Part 1 of 2)
I/O Standard
Standard
Support
VCCIO (V)
Input Operation
Output Operation
Column
Row
Column
Row
I/O Banks I/O Banks I/O Banks I/O Banks
VCCPD (V)
(Pre-
Driver
Voltage)
VREF (V)
(Input
Ref
Voltage)
VTT (V)
(Board
Termination
Voltage)
3.3-V LVTTL
JESD8-B 3.0/2.5 3.0/2.5
3.0
3.0
3.0
—
—
3.3-V LVCMOS (3)
JESD8-B 3.0/2.5 3.0/2.5
3.0
3.0
3.0
—
—
2.5-V LVCMOS
JESD8-5 3.0/2.5 3.0/2.5
2.5
2.5
2.5
—
—
1.8-V LVCMOS
JESD8-7 1.8/1.5 1.8/1.5
1.8
1.8
2.5
—
—
1.5-V LVCMOS
JESD8-11 1.8/1.5 1.8/1.5
1.5
1.5
2.5
—
—
1.2-V LVCMOS
JESD8-12
1.2
1.2
1.2
1.2
2.5
—
—
3.0-V PCI
PCI Rev 2.1
3.0
3.0
3.0
3.0
3.0
—
—
3.0-V PCI-X
PCI-X Rev
1.0
3.0
3.0
3.0
3.0
3.0
—
—
SSTL-2 Class I, II
JESD8-9B
(2)
(2)
2.5
2.5
2.5
1.25
1.25
SSTL-18 Class I, II
JESD8-15
(2)
(2)
1.8
1.8
2.5
0.90
0.90
SSTL-15 Class I
—
(2)
(2)
1.5
1.5
2.5
0.75
0.75
SSTL-15 Class II
—
(2)
(2)
1.5
—
2.5
0.75
0.75
HSTL-18 Class I, II
JESD8-6
(2)
(2)
1.8
1.8
2.5
0.90
0.90
HSTL-15 Class I
JESD8-6
(2)
(2)
1.5
1.5
2.5
0.75
0.75
HSTL-15 Class II
JESD8-6
(2)
(2)
1.5
—
2.5
0.75
0.75
HSTL-12 Class I
JESD8-16A
(2)
(2)
1.2
1.2
2.5
0.6
0.6
HSTL-12 Class II
JESD8-16A
(2)
(2)
1.2
—
2.5
0.6
0.6
Differential SSTL-2
Class I, II
JESD8-9B
(2)
(2)
2.5
2.5
2.5
—
1.25
Differential SSTL-18
Class I, II
JESD8-15
(2)
(2)
1.8
1.8
2.5
—
0.90
Differential SSTL-15
Class I
—
(2)
(2)
1.5
1.5
2.5
—
0.75
Differential SSTL-15
Class II
—
(2)
(2)
1.5
—
2.5
—
0.75
Differential HSTL-18
Class I, II
JESD8-6
(2)
(2)
1.8
1.8
2.5
—
0.90
Differential HSTL-15
Class I
JESD8-6
(2)
(2)
1.5
1.5
2.5
—
0.75
Differential HSTL-15
Class II
JESD8-6
(2)
(2)
1.5
—
2.5
—
0.75
Differential HSTL-12
Class I
JESD8-16A
(2)
(2)
1.2
1.2
2.5
—
0.60
Differential HSTL-12
Class II
JESD8-16A
(2)
(2)
1.2
—
2.5
—
0.60
December 2011 Altera Corporation
Arria II Device Handbook Volume 1: Device Interfaces and Integration
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