EP4CE30F29C7N Datasheet, PDF (118/488 Pages) Altera Corporation – Cyclone IV Device Handbook, Volume 1

6–12
Chapter 6: I/O Features in Cyclone IV Devices
I/O Standards
Table 6–3. Cyclone IV Devices Supported I/O Standards and Constraints (Part 2 of 3)
I/O Standard
V_CCIO Level (in V)
Column I/O Pins
Type
Standard
Support
Input
Output
CLK,
DQS
PLL_OUT
User
I/O
Pins
2.5-V LVTTL /
LVCMOS
Single-ended JESD8-5
3.3/3.0/2.5
(3)
2.5
v
v
v
1.8-V LVTTL /
LVCMOS
Single-ended JESD8-7
1.8/1.5 ⁽³⁾ 1.8
v
v
v
1.5-V LVCMOS
Single-ended JESD8-11 1.8/1.5 ⁽³⁾ 1.5
v
v
v
1.2-V LVCMOS ⁽⁴⁾ Single-ended JESD8-12A
1.2
1.2 v
v
v
SSTL-2 Class I,
SSTL-2 Class II
voltage-
referenced
JESD8-9A
2.5
2.5 v
v
v
SSTL-18 Class I,
SSTL-18 Class II
voltage-
referenced
JESD815
1.8
1.8 v
v
v
HSTL-18 Class I,
HSTL-18 Class II
voltage-
referenced
JESD8-6
1.8
1.8 v
v
v
HSTL-15 Class I,
HSTL-15 Class II
voltage-
referenced
JESD8-6
1.5
1.5 v
v
v
HSTL-12 Class I
voltage-
referenced
JESD8-16A
1.2
1.2 v
v
v
HSTL-12 Class II ⁽⁹⁾
voltage-
referenced
JESD8-16A
1.2
1.2 v
v
v
PCI and PCI-X
Single-ended
—
3.0
3.0 v
v
v
Differential SSTL-2 Differential
Class I or Class II
(5)
JESD8-9A
—
2.5
2.5 —
v
—
v
—
—
—
Differential SSTL-18 Differential
Class I or Class II
(5)
JESD815
—
1.8 —
v
—
1.8
—
v
—
—
Differential HSTL-18 Differential
Class I or Class II
(5)
JESD8-6
—
1.8 —
v
—
1.8
—
v
—
—
Differential HSTL-15 Differential
Class I or Class II
(5)
JESD8-6
—
1.5 —
v
—
1.5
—
v
—
—
Differential HSTL-12 Differential
Class I or Class II
(5)
JESD8-16A
—
1.2
1.2 —
v
—
v
—
—
—
PPDS ⁽⁶⁾
Differential
—
—
2.5 —
v
v
LVDS ⁽¹⁰⁾
Differential
ANSI/TIA/
EIA-644
2.5
2.5 v
v
v
RSDS and
mini-LVDS ⁽⁶⁾
Differential
—
—
2.5 —
v
v
BLVDS ⁽⁸⁾
Differential
—
2.5
2.5 —
—
v
Row I/O Pins ⁽¹⁾
CLK, User I/O
DQS Pins
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
v
—
—
v
v
—
—
v
—
—
—
v
—
—
—
v
—
—
—
v
—
—
—
v
—
—
v
v
v
—
v
—
v
Cyclone IV Device Handbook,
Volume 1
May 2013 Altera Corporation