CDCE906 is a Small, Powerful, Programmable 3-PLL Clock Synthesizer/Multiplier/Divider

This post sponsored by Texas Instruments.

The CDCE906 is one of the smallest and powerful PLL synthesizers/multipliers/dividers available today. Despite its small physical outlines, the CDCE906 is flexible.  

It has the capability to produce an almost independent output frequency from a given input frequency. The input frequency can be derived from a LVCMOS, differential input clock, or a single crystal. The appropriate input waveform can be selected via the SMBus data interface controller. To achieve an independent output frequency the reference divider M and the feedback divider N for each PLL can be set to values from 1 up to 511 for the M-Divider and from 1 up to 4095 for the N-Divider. The PLL-VCO frequency than is routed to the free programmable output switching matrix to any of the six outputs. The switching matrix includes an additional 7-bit post-divider (1-to-127) and an inverting logic for each output. The deep M/N divider ratio allows the generation of zero ppm clocks from any reference input frequency. The CDCE906 includes three PLLs designed for frequencies up to 167 MHz and optimized for zero-ppm applications with wide divider factors. The CDCE906 is characterized for operation from 0°C to 70°C.

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