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Si5383 Datasheet Network Synchronizer Clocks Supporting

Manufacturer: Silicon Laboratories

Overview: Si5383/84 Rev D Data Sheet Network Synchronizer Clocks Supporting 1 PPS to 750 MHz Inputs The Si5383/84 combines the industry’s smallest footprint and lowest power network synchronizer clock with unmatched frequency synthesis flexibility and ultra-low jitter. The Si5383/84 is ideally suited for wireless backhaul, IP radio, small and macro cell wireless communications systems, and data center switches requiring both traditional and packet based network synchronization. The three independent DSPLLs are individually configurable as a SyncE PLL, IEEE 1588 DCO, or a general-purpose PLL for processor/FPGA clocking. The Si5383/84 can also be used in legacy SETS systems needing Stratum 3/3E compliance. In addition, locking to a 1 PPS input frequency is available on DSPLL D. The DCO mode provides precise timing adjustment to 1 part per trillion (ppt). The unique design of the Si5383/84 allows the device to accept a TCXO/OCXO reference with a wide frequency range, and the reference clock jitter does not degrade the output performance. The Si5383/84 is configurable via a serial interface and programming the Si5383/84 is easy with ClockBuilder Pro software. Factory pre-programmed devices are also available. Applications • Synchronous Ethernet (SyncE) ITU-T G.8262 EEC Option 1 & 2 • Telecom Grand Master Clock (T-GM) as defined by ITU-T G.8273.1 • Telecom Boundary Clock and Slave Clock (T-BC, T-TSC) as defined by ITU-T G. 8273.2 • IEEE 1588 (PTP) slave clock synchronization • Stratum 3/3E, G.812, G.

Key Features

  • One or three independent DSPLLs in a single monolithic IC supporting flexible SyncE/IEEE 1588 and SETS architectures.
  • Input frequency range:.
  • External crystal: 25-54 MHz.
  • REF clock: 5-250 MHz.
  • Diff clock: 8 kHz - 750 MHz.
  • LVCMOS clock: 1 PPS, 8 kHz - 250 MHz.
  • Output frequency range:.
  • Differential: 1 PPS, 100 Hz - 718.5 MHz.
  • LVCMOS: 1 PPS, 100 Hz - 250 MHz.
  • Ultra-low jitter of less than 150 fs Si5383/84 IN.

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