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HC4GX15 Datasheet, PDF (217/668 Pages) Altera Corporation – HardCopy IV Device Handbook
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Chapter 3: Mapping Stratix IV Device Resources to HardCopy IV Devices
3–15
Designing with HardCopy IV I/Os
HardCopy IV Supported I/O Standards
HardCopy IV ASICs support the same I/O standards as Stratix IV FPGAs.
Table 3–10 lists I/O standards that HardCopy IV ASIC support.
Table 3–10. I/O Standards and Voltage Levels for HardCopy IV Devices (Part 1 of 2) (Note 1)
I/O Standard
3.3-V LVTTL (2)
3.3-V LVCMOS (2)
2.5-V
LVTTL/LVCMOS
1.8-V
LVTTL/LVCMOS
1.5-V
LVTTL/LVCMOS
1.2-V
LVTTL/LVCMOS
3.0-V PCI
3.0-V PCI-X
SSTL-2 Class I
SSTL-2 Class II
SSTL-18 Class I
SSTL-18 Class II
SSTL-15 Class I
SSTL-15 Class II
HSTL-18 Class I
HSTL-18 Class II
HSTL-15 Class I
HSTL-15 Class II
HSTL-12 Class I
HSTL-12 Class II
Differential SSTL-2
Class I
Differential SSTL-2
Class II
Differential SSTL-18
Class I
Differential SSTL-18
Class II
Differential SSTL-15
Class I
Differential SSTL-15
Class II
Standard
Support
JESD8-B
JESD8-B
JESD8-5
VCCIO (V)
Input Operation
Output Operation
Column
I/O Banks
3.0/2.5
3.0/2.5
Row I/O
Banks
3.0/2.5
3.0/2.5
Column
I/O Banks
3.0
3.0
Row I/O
Banks
3.0
3.0
3.0/2.5
3.0/2.5
2.5
2.5
JESD8-7
1.8/1.5
1.8/1.5
1.8
1.8
JESD8-11
1.8/1.5
1.8/1.5
1.5
1.5
JESD8-12
1.2
1.2
1.2
1.2
PCI Rev 2.1
3.0
3.0
3.0
3.0
PCI-X Rev 1.0 3.0
3.0
3.0
3.0
JESD8-9B
(3)
(3)
2.5
2.5
JESD8-9B
(3)
(3)
2.5
2.5
JESD8-15
(3)
(3)
1.8
1.8
JESD8-15
(3)
(3)
1.8
1.8
—
(3)
(3)
1.5
1.5
—
(3)
(3)
1.5
—
JESD8-6
(3)
(3)
1.8
1.8
JESD8-6
(3)
(3)
1.8
1.8
JESD8-6
(3)
(3)
1.5
1.5
JESD8-6
(3)
(3)
1.5
—
JESD8-16A
(3)
(3)
1.2
1.2
JESD8-16A
(3)
(3)
1.2
—
JESD8-9B
(3)
(3)
2.5
2.5
JESD8-9B
(3)
(3)
2.5
2.5
JESD8-15
(3)
(3)
1.8
1.8
JESD8-15
(3)
(3)
1.8
1.8
—
(3)
(3)
1.5
1.5
—
(3)
(3)
1.5
—
VCCPD (V)
(Pre-Driver
Voltage)
VREF (V)
(Input Ref
Voltage)
3.0
—
3.0
—
2.5
—
2.5
—
2.5
—
2.5
—
3.0
—
3.0
—
2.5
1.25
2.5
1.25
2.5
0.90
2.5
0.90
2.5
0.75
2.5
0.75
2.5
0.90
2.5
0.90
2.5
0.75
2.5
0.75
2.5
0.6
2.5
0.6
2.5
—
2.5
—
2.5
—
2.5
—
2.5
—
2.5
—
VTT (V) (Board
Termination
Voltage)
—
—
—
—
—
—
—
—
1.25
1.25
0.90
0.90
0.75
0.75
0.90
0.90
0.75
0.75
0.6
0.6
1.25
1.25
0.90
0.90
0.75
0.75
© January 2010 Altera Corporation
HardCopy IV Device Handbook, Volume 2
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