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HC4GX15 Datasheet, PDF (648/668 Pages) Altera Corporation – HardCopy IV Device Handbook | |||
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Chapter 1: DC and Switching Characteristics of HardCopy IV Devices
1â18
Switching Characteristics
Table 1â21. Typical VOD Setting, TX Term = 85 Ohm
Symbol
VOD Setting (mV)
0123456
7
VOD differential peak-peak Typical 170 340 510 595 680 765 850 1020
Table 1â22. Typical VOD Setting, TX Term = 100 Ohm
Symbol
VOD Setting (mV)
012345
6
7
VOD differential peak-peak Typical 200 400 600 700 800 900 1000 1200
Table 1â23. Typical VOD Setting, TX Term = 120 Ohm
Symbol
VOD differential peak-peak Typical
0
1
300 600
VOD Setting (mV)
2
3
4
900 1050 1200
5
1350
Table 1â24 shows HardCopy IV GX transceiver jitter specifications for all supported
protocols.
Table 1â24. HardCopy IV GX Transceiver Block Jitter Specification (Note 1) and (2) (Part 1 of 6)
Symbol/Description
Conditions
Min Typ
Max Unit
SONET/SDH Transmit Jitter Generation (3)
Peak-to-peak jitter at 622.08 Mbps
RMS jitter at 622.08 Mbps
Peak-to-peak jitter at 2488.32 Mbps
RMS jitter at 2488.32 Mbps
Pattern = PRBS23
Pattern = PRBS23
Pattern = PRBS23
Pattern = PRBS23
SONET/SDH Receiver Jitter Tolerance (3)
Jitter frequency = 0.03KHz
Pattern = PRBS23
Jitter tolerance at 622.08Mbps
Jitter frequency = 25KHz
Pattern = PRBS24
Jitter frequency = 250KHz
Pattern = PRBS25
â â 0.1
UI
â â 0.01
UI
â â 0.1
UI
â â 0.01
UI
> 15 > 15 > 15
UI
> 1.5 > 1.5 > 1.5
UI
> 0.15 > 0.15 > 0.15 UI
© June 2009 Altera Corporation
HardCopy IV Device Handbook Volume 4
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