SI5321 Datasheet, PDF (5/34 Pages) List of Unclassifed Manufacturers – SONET/SDH PRECISION CLOCK MULTIPLIER IC

CLKIN+
CLKIN–
Si5321
V _IS
A. Operation with Single-Ended Clock Input*
Note: W hen using single-ended clock sources, the unused clock
input on the Si5321 m ust be ac-coupled to ground.
C L K IN +
C L K IN –
(CLKIN+) – (CLKIN–)
0.5 V_ID
V _ID
B. Operation with Differential Clock Input
Note: Transm ission line term ination, when required, m ust be provided
externally.
Figure 1. CLKIN Voltage Characteristics
80%
20%
t_F
t_R
Figure 2. Rise/Fall Time Measurement
(C LKIN+) - (C LKIN - )
0V
t_{L O S}
Figure 3. Transitionless Period on CLKIN for Detecting a LOS Condition
Rev. 2.5
5