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Si5374
4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR
Features
Highly-integrated, 4 PLL clock
Supports all ITU G.709 and any
multiplier/jitter attenuator
custom FEC ratios (239/237,
Four independent DSPLLs support any-frequency synthesis and jitter
255/238, 255/237, 255/236, 253/226)
attenuation
Integrated loop filter with
8 inputs/8 outputs
programmable bandwidth
Each DSPLL can generate any Simultaneous free-run and
frequency from 2 kHz to 808 MHz
synchronous operation
from a 2 kHz to 710 MHz input
Automatic/manual hitless input clock
Ultra-low jitter clock outputs:
switching
350 fs rms (12 kHz–20 MHz) and Selectable output clock signal
410 fs rms (50 kHz–80 MHz) typical format (LVPECL, LVDS, CML,
Meets ITU-T G.