AV-51002
2017.02.10
1-18
Single-Ended SSTL, HSTL, and HSUL I/O Reference Voltage Specifications
Single-Ended SSTL, HSTL, and HSUL I/O Reference Voltage Specifications
Table 1-15: Single-Ended SSTL, HSTL, and HSUL I/O Reference Voltage Specifications for Arria V Devices
VCCIO (V)
Typ
VREF (V)
Typ
VTT (V)
Typ
I/O Standard
Min
Max
Min
Max
Min
Max
SSTL-2
2.375
2.5
2.625
0.49 × VCCIO
0.5 × VCCIO
0.51 × VCCIO
VREF – 0.04
VREF
VREF + 0.04
Class I, II
SSTL-18
1.71
1.425
1.283
1.19
1.8
1.5
1.89
1.575
1.418
1.26
1.89
1.575
1.26
1.3
0.833
0.9
0.969
VREF – 0.04
VREF
VREF + 0.04
Class I, II
SSTL-15
0.49 × VCCIO
0.49 × VCCIO
0.49 × VCCIO
0.85
0.5 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
0.9
0.51 × VCCIO 0.49 × VCCIO
0.51 × VCCIO 0.49 × VCCIO
0.51 × VCCIO 0.49 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
0.5 × VCCIO
VCCIO/2
VCCIO/2
VCCIO/2
—
0.51 × VCCIO
Class I, II
SSTL-135
Class I, II
1.35
1.25
1.8
0.51 × VCCIO
SSTL-125
Class I, II
0.51 × VCCIO
HSTL-18
Class I, II
1.71
0.95
0.9
—
—
—
—
—
—
—
—
HSTL-15
Class I, II
1.425
1.14
1.5
0.68
0.75
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
HSUL-12
1.14
1.2
Arria V GX, GT, SX, and ST Device Datasheet
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