Low-Jitter Frequency Synthesizer
with Selectable Input Reference
INRUSH CURRENT
(mA)
IOVERSHOOT
Figure 1. LVPECL Input Inrush Current
IDC
t
VCC
REFCLK0
POWER-ON-RESET (~ 20μs)
REFCLK1
OUTxx
IN0FAIL HIGH
IN1FAIL HIGH
LOCK
SEL_CLK
LOW
Figure 2. Power-Up, PLL Locks to REFCLK0
tLOCK (~ 600μs)
PLL LOCKED TO REFCLK0
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