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 High-Speed Differential Interfaces in
Cyclone III Devices chapter.
Table 1–16. Cyclone III Devices Differential SSTL I/O Standard Specifications (1)
VSwing(AC)
(V)
VCCIO (V)
VSwing(DC) (V)
VX(AC) (V)
Typ
VOX(AC) (V)
Typ
I/O Standard
Min Typ Max Min Max
Min
Max
Min Max
Min
Max
SSTL-2
Class I, II
V
+ 0.2
CCIO/2
VCCI
0.7
VCCIO/2 –
0.125
V
CCIO/2
2.375 2.5 2.625 0.36 VCCIO VCCIO/2 – 0.2
VCCIO/2 –
—
—
—
—
+ 0.125
O
SSTL-18
Class I, II
V
CCIO/2
VCCI
0.5
VCCIO/2 –
0.125
VCCIO/2
+ 0.125
1.7
1.8 1.90 0.25 VCCIO
0.175
+ 0.175
O
Note to Table 1–16:
(1) Differential SSTL requires a VREF input.
Table 1–17. Cyclone III Devices Differential HSTL I/O Standard Specifications (1)
V
CCIO (V)
VDIF(DC) (V)
VX(AC) (V)
Typ
VCM(DC) (V)
Typ
VDIF(AC) (V)
I/O Standard
Mi
Min Typ Max Min Max
Min
0.85
0.71
Max
0.95
0.79
Min
0.85
0.71
Max
0.95
0.79
Max
—
n
HSTL-18
Class I, II
1.71 1.8 1.89 0.2
1.425 1.5 1.575 0.2
—
—
—
—
—
—
—
0.4
HSTL-15
Class I, II
0.4
0.3
—
HSTL-12
Class I, II
0.52 *
VCCIO
0.48 *
VCCIO
0.52 *
VCCIO
0.48 *
VCCIO
1.14 1.2 1.26 0.16 VCCIO 0.48 * VCCIO
—
Note to Table 1–17:
(1) Differential HSTL requires a VREF input.
(1)
Table 1–18. Cyclone III Devices Differential I/O Standard Specifications
(Part 1 of 2)
VOD (mV)
Max Min Typ Max Min Typ Max
(2)
(3)
(3)
V
CCIO (V)
VID (mV)
VIcM (V)
VOS (V)
I/O
Standard
Min Typ Max
Min Max Min
Condition
0.05
DMAX500 Mbps 1.80
LVPECL
500 Mbps DMAX
700 Mbps
(Row I/Os) 2.375 2.5 2.625 100
—
—
—
0.55
1.80
1.55
—
—
—
—
—
—
—
—
—
—
—
—
—
(4)
1.05 DMAX > 700 Mbps
0.05
DMAX 500 Mbps 1.80
LVPECL
500 Mbps DMAX
700 Mbps
(Column
2.375 2.5 2.625 100
2.375 2.5 2.625 100
0.55
1.80
(4)
I/Os)
1.05
0.05
DMAX > 700 Mbps
1.55
DMAX 500 Mbps 1.80
LVDS (Row
I/Os)
500 Mbps DMAX
700 Mbps
0.55
1.05
1.80 247
1.55
600 1.125 1.25 1.375
DMAX > 700 Mbps
Cyclone III Device Handbook
Volume 2
July 2012 Altera Corporation
INTEL [ INTEL ]
