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HC4GX15 Datasheet, PDF (54/668 Pages) Altera Corporation – HardCopy IV Device Handbook
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6–4
Chapter 6: HardCopy IV Device I/O Features
I/O Standards and Voltage Levels
Table 6–2. HardCopy IV I/O Standards and Voltage Levels (Part 1 of 2)
VCCIO (V) (Note 1)
Input Operation
Output Operation
I/O Standard
Standard
Support
Column I/O
Banks
3.3-V LVTTL
JESD8-B
3.0/2.5
3.3-V LVCMOS
JESD8-B
3.0/2.5
2.5-V
LVTTL/LVCMOS
JESD8-5
3.0/2.5
1.8-V
LVTTL/LVCMOS
JESD8-7
1.8/1.5
1.5-V
LVTTL/LVCMOS
JESD8-11
1.8/1.5
1.2-V
JESD8-12
1.2
LVTTL/LVCMOS
3.0-V PCI
PCI Rev 2.1
3.0
3.0-V PCI-X
PCI-X Rev 1.0
3.0
SSTL-2 Class I JESD8-9B
(2)
SSTL-2 Class II JESD8-9B
(2)
SSTL-18 Class I JESD8-15
(2)
SSTL-18 Class II JESD8-15
(2)
SSTL-15 Class I
—
(2)
SSTL-15 Class II
—
(2)
HSTL-18 Class I JESD8-6
(2)
HSTL-18 Class II JESD8-6
(2)
HSTL-15 Class I JESD8-6
(2)
HSTL-15 Class II JESD8-6
(2)
HSTL-12 Class I JESD8-16A
(2)
HSTL-12 Class II JESD8-16A
(2)
Differential
JESD8-9B
(2)
SSTL-2 Class I
Differential
JESD8-9B
(2)
SSTL-2 Class II
Differential
JESD8-15
(2)
SSTL-18 Class I
Differential
JESD8-15
(2)
SSTL-18 Class II
Differential
—
(2)
SSTL-15 Class I
Differential
—
(2)
SSTL-15 Class II
Differential
JESD8-6
(2)
HSTL-18 Class I
Differential
JESD8-6
(2)
HSTL-18 Class II
Differential
JESD8-6
(2)
HSTL-15 Class I
Row I/O
Banks
3.0/2.5
3.0/2.5
3.0/2.5
1.8/1.5
1.8/1.5
1.2
3.0
3.0
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
Column I/O
Banks
3.0
3.0
2.5
1.8
1.5
1.2
3.0
3.0
2.5
2.5
1.8
1.8
1.5
1.5
1.8
1.8
1.5
1.5
1.2
1.2
2.5
2.5
1.8
1.8
1.5
1.5
1.8
1.8
1.5
Row I/O
Banks
3.0
3.0
2.5
1.8
1.5
1.2
3.0
3.0
2.5
2.5
1.8
1.8
1.5
—
1.8
1.8
1.5
—
1.2
—
2.5
2.5
1.8
1.8
1.5
—
1.8
1.8
1.5
VCCPD (V)
(Pre-Driver
Voltage)
3.0
3.0
2.5
VREF (V)
(Input Ref
Voltage)
—
—
—
VTT (V)
(Board
Termination
Voltage)
—
—
—
2.5
—
—
2.5
—
—
2.5
—
—
3.0
—
—
3.0
—
—
2.5
1.25
1.25
2.5
1.25
1.25
2.5
0.90
0.90
2.5
0.90
0.90
2.5
0.75
0.75
2.5
0.75
0.75
2.5
0.90
0.90
2.5
0.90
0.90
2.5
0.75
0.75
2.5
0.75
0.75
2.5
0.6
0.6
2.5
0.6
0.6
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
HardCopy IV Device Handbook, Volume 1
© January 2010 Altera Corporation
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