Altera Cyclone V Device Handbook page 134

CV-52005
2014.01.10
Table 5-30: Selectable I/O Standards for R
This table lists the output termination settings for calibrated OCT on different I/O standards.
3.0 V LVTTL/3.0 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
1.2 V LVCMOS
SSTL-2 Class I
SSTL-2 Class II
SSTL-18 Class I
SSTL-18 Class II
SSTL-15 Class I
SSTL-15 Class II
1.8 V HSTL Class I
1.8 V HSTL Class II
1.5 V HSTL Class I
1.5 V HSTL Class II
1.2 V HSTL Class I
1.2 V HSTL Class II
Differential SSTL-2 Class I
Differential SSTL-2 Class II
Differential SSTL-18 Class I
Differential SSTL-18 Class II
Differential SSTL-15 Class I
Differential SSTL-15 Class II
Differential 1.8 V HSTL Class I
Differential 1.8 V HSTL Class II
Differential 1.5 V HSTL Class I
Differential 1.5 V HSTL Class II
Differential 1.2 V HSTL Class I
Differential 1.2 V HSTL Class II
(12)
Final values are pending silicon characterization.
I/O Features in Cyclone V Devices
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I/O Standard
R OCT with Calibration in Cyclone V Devices
S
OCT With Calibration
S
(12)
R (Ω)
S
25/50
25/50
25/50
25/50
25/50
50
25
50
25
50
25
50
25
50
25
50
25
50
25
50
25
50
25
50
25
50
25
50
25
Calibrated OCT (Output)
RZQ
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
5-37
(Ω)
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