[PDF] Si5345/44/42 Rev D Data Sheet - Silicon Labs Si5345/44/42 Rev D Data Sheet 10-Channel, Any-Frequency, Any-Output Jitter Attenua-tor/Clock Multiplier These jitter attenuating clock multipliers combine fourth-generation DSPLLâ„¢ and MultiSynthâ„¢ technologies to enable any-frequency clock generation and jitter attenu- ation for applications requiring the highest level of jitter performance.