Specifications

• R
S
OCT with Calibration in Cyclone V Devices on page 5-35
• R
T
OCT with Calibration in Cyclone V Devices on page 5-37
• LVDS Input R
D
OCT in Cyclone V Devices on page 5-40
• Dynamic OCT in Cyclone V Devices on page 5-39
R
S
OCT without Calibration in Cyclone V Devices
The Cyclone V devices support R
S
OCT for single-ended and voltage-referenced I/O standards. R
S
OCT
without calibration is supported on output only.
Table 5-29: Selectable I/O Standards for R
S
OCT Without Calibration
This table lists the output termination settings for uncalibrated OCT on different I/O standards.
Uncalibrated OCT (Output)
I/O Standard
R
S
(Ω)
25/503.0 V LVTTL/3.0 V LVCMOS
25/502.5 V LVCMOS
25/501.8 V LVCMOS
25/501.5 V LVCMOS
25/501.2 V LVCMOS
50SSTL-2 Class I
25SSTL-2 Class II
50SSTL-18 Class I
25SSTL-18 Class II
50SSTL-15 Class I
25SSTL-15 Class II
501.8 V HSTL Class I
251.8 V HSTL Class II
501.5 V HSTL Class I
251.5 V HSTL Class II
501.2 V HSTL Class I
251.2 V HSTL Class II
50Differential SSTL-2 Class I
25Differential SSTL-2 Class II
50Differential SSTL-18 Class I
25Differential SSTL-18 Class II
50Differential SSTL-15 Class I
I/O Features in Cyclone V Devices
Altera Corporation
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CV-52005
R
S
OCT without Calibration in Cyclone V Devices
5-34
2013.06.21