SI5376

Si5376 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 255/238, 255/237, 255/236, 253/226) any-frequency synthesis and jitter  Integrated loop filter with attenuation programmable bandwidth  8 inputs/8 outputs  Simultaneous free-run and  Each DSPLL can generate any synchronous operation frequency from 2 kHz to 808 MHz  Automatic/manual hitless input clock from a 2 kHz to 710 MHz input switching  350 fs rms (12 kHz– 20 MHz) and  Selectable output clock signal format 410 fs rms (50 kHz–80 MHz) (LVPECL, LVDS, CML, CMOS) typical  LOL and interrupt alarm outputs  Meets ITU-T G.8251 and Telcordia  I2C programmable GR-253-CORE OC-192 jitter specifications  Single 1.8 V ±5% or 2.5 V ±10% operation with high PSRR on-chip  Programmable loop bandwidth: voltage regulator 60 Hz to 8 kHz  10x10 mm PBGA  Faster lock acquisition compared to the Si5374: <1.2 s  For a very low-loop BW version, see the Si5374 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 Si5376 is a highly-integrated, 4-PLL, jitt...