VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
10-Bit Transceiver for Fibre
Channel and Gigabit Ethernet
VSC7123
Figure 7: Parametric Measurement Information
Serial Input Rise and Fall Time
TTL Input and Output Rise and Fall Time
VIH(MIN)
80%
20%
VIL(MIN)
TR
TF
TR
TF
Receiver Input Eye Diagram Jitter Tolerance Mask
Bit Time
Amplitude
24% Minimum Eye Width%
Parametric Test Load Circuit
Serial Output Load
TTL AC Output Load
Z0 = 75W
50 or 75W
10pF
V
– 2.0V
DD
G52212-0, Rev 4.3
03/25//01
Page 9
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