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Clock Synthesiser, 2 Wire, Serial, 230 MHz, 1.7V-1.9V supply, 9 Outputs, TSSOP-24

CDCE949PWG4 . - Clock Synthesiser, 2 Wire, Serial, 230 MHz, 1.7V-1.9V supply, 9 Outputs, TSSOP-24

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Product Overview

The CDCE949PWG4 is a 4-PLL programmable VCXO Clock Synthesizer with LVCMOS outputs. It generates up to 9 output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 230MHz, using up to four independent configurable PLLs. The input accepts an external crystal or LVCMOS clock signal. If an external crystal is used, an on-chip load capacitor is adequate for most applications. The value of the load capacitor is programmable from 0 to 20pF. Additionally, an on-chip VCXO is selectable, allowing synchronization of the output frequency to an external control signal, that is, a PWM signal. The deep M/N divider ratio allows the generation of zero-ppm audio/video, networking (WLAN, Bluetooth™, Ethernet, GPS) or Interface (USB, IEEE1394, Memory Stick) clocks from a reference input frequency, such as 27MHz. The PLLs support SSC (Spread-Spectrum Clocking). SSC can be centre-spread or down-spread clocking.
  • Member of programmable clock generator
  • Flexible clock driver
  • Programmable SSC modulation
  • Enables 0-PPM clock generation
  • Generates common clock frequencies used with Texas Instruments DaVinci, OMAP and DSPs
  • Serial programmable volatile register
  • Non-volatile EEPROM to store customer settings
  • PLL loop filter components integrated
  • Green product and no Sb/Br


Consumer Electronics, Portable Devices, Audio, Imaging, Video & Vision

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Clock Synthesiser











MSL 1 - Unlimited

No SVHC (27-Jun-2018)

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