Altera Cyclone IV - Page 118

6–12 Chapter 6: I/O Features in Cyclone IV Devices
I/O Standards
Cyclone IV Device Handbook, March 2016 Altera Corporation
Volume 1
2.5-V LVTTL /
LVCMOS
Single-ended JESD8-5
3.3/3.0/2.5
(3)
2.5 vv vvv
1.8-V LVTTL /
LVCMOS
Single-ended JESD8-7 1.8/1.5
(3)
1.8 vv vvv
1.5-V LVCMOS Single-ended JESD8-11 1.8/1.5
(3)
1.5 vv vvv
1.2-V LVCMOS
(4)
Single-ended JESD8-12A 1.2 1.2 vv vvv
SSTL-2 Class I,
SSTL-2 Class II
voltage-
referenced
JESD8-9A 2.5 2.5 vv vvv
SSTL-18 Class I,
SSTL-18 Class II
voltage-
referenced
JESD815 1.8 1.8 vv vvv
HSTL-18 Class I,
HSTL-18 Class II
voltage-
referenced
JESD8-6 1.8 1.8 vv vvv
HSTL-15 Class I,
HSTL-15 Class II
voltage-
referenced
JESD8-6 1.5 1.5 vv vvv
HSTL-12 Class I
voltage-
referenced
JESD8-16A 1.2 1.2 vv vvv
HSTL-12 Class II
(9)
voltage-
referenced
JESD8-16A 1.2 1.2 vv v——
PCI and PCI-X Single-ended — 3.0 3.0 vv vvv
Differential SSTL-2
Class I or Class II
Differential
(5)
JESD8-9A
—2.5—v —— —
2.5 — v ——v —
Differential SSTL-18
Class I or Class II
Differential
(5)
JESD815
—1.8—v —— —
1.8 — v ——v —
Differential HSTL-18
Class I or Class II
Differential
(5)
JESD8-6
—1.8—v —— —
1.8 — v ——v —
Differential HSTL-15
Class I or Class II
Differential
(5)
JESD8-6
—1.5—v —— —
1.5 — v ——v —
Differential HSTL-12
Class I or Class II
Differential
(5)
JESD8-16A
—1.2—v —— —
1.2 — v ——v —
PPDS
(6)
Differential — — 2.5 — vv— v
LVDS
(10)
Differential
ANSI/TIA/
EIA-644
2.5 2.5 vv vvv
RSDS and
mini-LVDS
(6)
Differential — — 2.5 — vv— v
BLVDS
(8)
Differential — 2.5 2.5 — — v — v
Table 6–3. Cyclone IV Devices Supported I/O Standards and Constraints (Part 2 of 3)
I/O Standard Type
Standard
Support
V
CCIO
Level (in V) Column I/O Pins Row I/O Pins
(1)
Input Output
CLK,
DQS
PLL_OUT
User
I/O
Pins
CLK,
DQS
User I/O
Pins