1–12
Chapter 1: Cyclone III Device Datasheet
Electrical Characteristics
f
For more illustrations of receiver input and transmitter output waveforms, and for
other differential I/O standards, refer to the
chapter.
Table 1–16. Cyclone III Devices Differential SSTL I/O Standard Specifications
V
CCIO
(V)
Min
SSTL-2
Class I, II
SSTL-18
Class I, II
2.375
1.7
Typ
2.5
1.8
Max
V
Swing(DC)
(V)
Min
Max
Min
V
X(AC)
(V)
Typ
—
—
Max
V
CCIO
/2
+ 0.2
V
CCIO
/2
+ 0.175
V
Swing(AC)
(V)
Min Max
0.7
0.5
V
CCI
O
I/O Standard
V
OX(AC)
(V)
Min
V
CCIO
/2 –
0.125
V
CCIO
/2 –
0.125
Typ
—
—
Max
V
CCIO
/2
+ 0.125
V
CCIO
/2
+ 0.125
2.625 0.36 V
CCIO
V
CCIO
/2 – 0.2
1.90
0.25 V
CCIO
V
CCIO
/2 –
0.175
V
CCI
O
Note to
(1) Differential SSTL requires a V
REF
input.
Table 1–17. Cyclone III Devices Differential HSTL I/O Standard Specifications
V
CCIO
(V)
I/O Standard
Min
HSTL-18
Class I, II
HSTL-15
Class I, II
HSTL-12
Class I, II
1.71
1.425
1.14
Typ
1.8
1.5
1.2
Max
1.89
1.575
1.26
Min
0.2
0.2
0.16
Max
—
—
V
CCIO
Min
0.85
0.71
0.48 * V
CCIO
Typ
—
—
—
Max
0.95
0.79
0.52 *
V
CCIO
Min
0.85
0.71
0.48 *
V
CCIO
Typ
—
—
—
Max
0.95
0.79
0.52 *
V
CCIO
V
DIF(DC)
(V)
V
X(AC)
(V)
V
CM(DC)
(V)
V
DIF(AC)
(V)
Mi
n
0.4
0.4
0.3
Max
—
—
0.48 *
V
CCIO
Note to
(1) Differential HSTL requires a V
REF
input.
Table 1–18. Cyclone III Devices Differential I/O Standard Specifications
I/O
Standard
LVPECL
(Row I/Os)
(Part 1 of 2)
V
OD
(mV)
Max Min Typ
1.80
1.80
1.55
1.80
1.80
1.55
1.80
1.80 247
1.55
—
600
1.125 1.25 1.375
—
—
—
—
—
—
—
—
—
—
—
—
V
CCIO
(V)
Min
Typ
Max
V
ID
(mV)
Min
Max
Min
V
IcM
(V)
V
OS
(V)
Min
Typ
Condition
500 Mbps
D
MAX
700 Mbps
Max
Max
0.05 D
MAX
500
Mbps
2.375
2.5
2.625
100
—
0.55
1.05 D
MAX
> 700 Mbps
LVPECL
(Column
I/Os)
0.05 D
MAX
500 Mbps
2.375
2.5
2.625
100
—
0.55
500 Mbps
D
MAX
700
Mbps
1.05 D
MAX
> 700 Mbps
0.05 D
MAX
500 Mbps
LVDS (Row
I/Os)
2.375
2.5
2.625
100
—
0.55
500 Mbps
D
MAX
700 Mbps
1.05 D
MAX
> 700 Mbps
July 2012 Altera Corporation
INTEL [ INTEL CORPORATION ]
