Visible to Intel only — GUID: sam1403480775683
Ixiasoft
Visible to Intel only — GUID: sam1403480775683
Ixiasoft
5.9.1. RS OCT without Calibration in Cyclone® V Devices
The Cyclone® V devices support RS OCT for single-ended and voltage-referenced I/O standards. RS OCT without calibration is supported on output only.
I/O Standard | Uncalibrated OCT (Output) |
---|---|
RS (Ω) | |
3.0 V LVTTL/3.0 V LVCMOS | 25/50 |
2.5 V LVCMOS | 25/50 |
1.8 V LVCMOS | 25/50 |
1.5 V LVCMOS | 25/50 |
1.2 V LVCMOS | 25/50 |
SSTL-2 Class I | 50 |
SSTL-2 Class II | 25 |
SSTL-18 Class I | 50 |
SSTL-18 Class II | 25 |
SSTL-15 Class I | 50 |
SSTL-15 Class II | 25 |
1.8 V HSTL Class I | 50 |
1.8 V HSTL Class II | 25 |
1.5 V HSTL Class I | 50 |
1.5 V HSTL Class II | 25 |
1.2 V HSTL Class I | 50 |
1.2 V HSTL Class II | 25 |
Differential SSTL-2 Class I | 50 |
Differential SSTL-2 Class II | 25 |
Differential SSTL-18 Class I | 50 |
Differential SSTL-18 Class II | 25 |
Differential SSTL-15 Class I | 50 |
Differential SSTL-15 Class II | 25 |
Differential 1.8 V HSTL Class I | 50 |
Differential 1.8 V HSTL Class II | 25 |
Differential 1.5 V HSTL Class I | 50 |
Differential 1.5 V HSTL Class II | 25 |
Differential 1.2 V HSTL Class I | 50 |
Differential 1.2 V HSTL Class II | 25 |
SSTL-15 | 25, 50, 34, 40 |
SSTL-135 | 34, 40 |
SSTL-125 | 34, 40 |
HSUL-12 | 34, 40, 48, 60, 80 |
Differential SSTL-15 | 25, 50, 34, 40 |
Differential SSTL-135 | 34, 40 |
Differential SSTL-125 | 34, 40 |
Differential HSUL-12 | 34, 40, 48, 60, 80 |
Driver-impedance matching provides the I/O driver with controlled output impedance that closely matches the impedance of the transmission line. As a result, you can significantly reduce signal reflections on PCB traces.
If you select matching impedance, current strength is no longer selectable.
Did you find the information on this page useful?
Feedback Message
Characters remaining: