AV-51002
2015.12.16
2-16
I/O Standard Specifications
VCCIO (V)
Typ
VREF (V)
Typ
VTT (V)
I/O Standard
Min
Max
Min
Max
Min
Typ
Max
SSTL-135
Class I, II
1.283
1.35
1.418
0.49 × VCCIO
0.5 ×
VCCIO
0.51 ×
VCCIO
0.49 ×
VCCIO
0.5 × VCCIO
0.51 × VCCIO
SSTL-125
Class I, II
1.19
1.14
1.71
1.425
1.14
1.14
1.25
1.20
1.8
1.26
1.26
1.89
1.575
1.26
1.3
0.49 × VCCIO
0.49 × VCCIO
0.85
0.5 ×
0.51 ×
VCCIO
0.49 ×
VCCIO
0.5 ×
0.51 × VCCIO
VCCIO
VCCIO
SSTL-12
Class I, II
0.5 ×
VCCIO
0.51 ×
VCCIO
0.49 ×
VCCIO
0.5 ×
VCCIO
0.51 × VCCIO
HSTL-18
Class I, II
0.9
0.95
—
—
—
—
VCCIO/2
VCCIO/2
VCCIO/2
—
—
—
—
—
HSTL-15
Class I, II
1.5
0.68
0.75
0.9
HSTL-12
Class I, II
1.2
0.47 × VCCIO
0.49 × VCCIO
0.5 ×
VCCIO
0.53 ×
VCCIO
HSUL-12
1.2
0.5 ×
VCCIO
0.51 ×
VCCIO
Table 2-18: Single-Ended SSTL, HSTL, and HSUL I/O Standards Signal Specifications for Arria V GZ Devices
VIL(DC) (V)
VIH(DC) (V)
Min Max
VIL(AC) (V)
Max
VIH(AC) (V)
Min
VOL (V)
Max
VOH (V)
Min
I/O Standard
Iol (mA)
Ioh (mA)
Min
Max
SSTL-2 Class
I
–0.3
VREF
0.15
–
–
–
VREF + 0.15 VCCIO
0.3
+
+
+
VREF – 0.31
VREF + 0.31
VTT
–
VTT
+
8.1
–8.1
–16.2
–6.7
0.608
0.608
SSTL-2 Class
II
–0.3
–0.3
VREF
0.15
VREF + 0.15 VCCIO
0.3
VREF – 0.31
VREF – 0.25
VREF + 0.31
VREF + 0.25
VTT – 0.81 VTT + 0.81
16.2
6.7
SSTL-18
Class I
VREF
0.125
VREF
+
VCCIO
0.3
VTT
0.603
–
VTT
0.603
+
0.125
Arria V GZ Device Datasheet
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