SI5374

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.8251 and Telcordia CMOS) GR-253-CORE OC-192 jitter  LOL and interrupt alarm outputs specifications  I2C programmable  Single 1.8 V ±5% or 2.5 V ±10% operation with high PSRR on-chip voltage regulator  10x10 mm PBGA Applications  High-density, any-port, any-protocol,  1/2/4/8/10G Fibre Channel any-frequency line cards  GbE/10 GbE Synchronous Ethernet  ITU-T G.709 OTN custom FEC  Carrier Ethernet, multi-service  10/40/100G switches and routers  OC-48/192, STM-16/64  MSPP, ROADM, P-OTS, muxponders Description The Si5374 is a highly-integrated, 4-PLL, jitter-attenuating precision clock multiplier for applications requiring sub-1 ps jitter performance. Each of the DSPLL® clock mu...