Cyclone V Device Datasheet
CV-51002 | 2018.05.07
I/O Standard
VCCIO (V)
Typ
VREF (V)
Typ
VTT (V)
Typ
Min
Max
Min
Max
Min
Max
SSTL-15 Class I,
II
1.425
1.5
1.575
0.49 × VCCIO
0.5 × VCCIO
0.51 × VCCIO
0.49 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
VCCIO/2
0.51 × VCCIO
SSTL-135 Class
I, II
1.283
1.19
1.71
1.425
1.14
1.14
1.35
1.25
1.8
1.418
1.26
1.89
1.575
1.26
1.3
0.49 × VCCIO
0.49 × VCCIO
0.85
0.5 × VCCIO
0.5 × VCCIO
0.9
0.51 × VCCIO
0.51 × VCCIO
0.95
0.49 × VCCIO
0.51 × VCCIO
SSTL-125 Class
I, II
0.49 × VCCIO
0.51 × VCCIO
HSTL-18 Class I,
II
—
—
—
—
—
—
—
—
HSTL-15 Class I,
II
1.5
0.68
0.75
0.9
VCCIO/2
HSTL-12 Class I,
II
1.2
0.47 × VCCIO
0.49 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
0.53 × VCCIO
0.51 × VCCIO
VCCIO/2
HSUL-12
1.2
—
Single-Ended SSTL, HSTL, and HSUL I/O Standards Signal Specifications
Table 17. Single-Ended SSTL, HSTL, and HSUL I/O Standards Signal Specifications for Cyclone V Devices
(19)
(19)
I/O Standard
VIL(DC) (V)
Max
VIH(DC) (V)
VIL(AC) (V)
Max
VIH(AC) (V)
Min
VOL (V)
Max
VOH (V)
Min
IOL
IOH
(mA)
(mA)
Min
–0.3
–0.3
Min
Max
SSTL-2 Class I
VREF – 0.15
VREF – 0.15
VREF + 0.15
VREF + 0.15
VCCIO + 0.3
VCCIO + 0.3
VREF – 0.31
VREF – 0.31
VREF + 0.31
VREF + 0.31
VTT – 0.608
VTT – 0.81
VTT + 0.608
VTT + 0.81
8.1
–8.1
SSTL-2 Class
II
16.2
–16.2
SSTL-18 Class
I
–0.3
–0.3
VREF – 0.125
VREF – 0.125
VREF + 0.125
VREF + 0.125
VCCIO + 0.3
VCCIO + 0.3
VREF – 0.25
VREF – 0.25
VREF + 0.25
VREF + 0.25
VTT – 0.603
0.28
VTT + 0.603
VCCIO – 0.28
6.7
–6.7
SSTL-18 Class
II
13.4
–13.4
continued...
(19)
To meet the IOL and IOH specifications, you must set the current strength settings accordingly. For example, to meet the SSTL15CI
specification (8 mA), you should set the current strength settings to 8 mA. Setting at lower current strength may not meet the IOL and
IOH specifications in the datasheet.
Cyclone V Device Datasheet
20
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