LVCMOS/LVDS/LVPECL Clock Synthesizer
XR81411
Universal Quad Clock - High Frequency LVCMOS/LVDS/LVPECL Clock Synthesizer
General Description
The XR81411 is a...
Description
XR81411
Universal Quad Clock - High Frequency LVCMOS/LVDS/LVPECL Clock Synthesizer
General Description
The XR81411 is a Quad Clock synthesizer with 4 independent PLLs in a compact LGA-45 package. Each synthesizer generates ANY frequency in the range of 10 MHz to 800MHz by utilizing a highly flexible delta sigma modulator and a wide ranging VCO. The outputs are independently configurable for single ended LVCMOS or differential LVDS or LVPECL. The clock outputs have very low typical phase noise jitter of sub 0.6ps RMS, while consuming extremely low power. The XR81411 uses a single reference and provides 4 independent outputs that can be configured as needed to support a wide variety of applications.
Each of the XR81411’s 4 independent PLLs include an integer/fractional divider, LVCMOS/LVDS/LVPECL output driver, 3.3V/2.5V supply, and generates one of four selectable output frequencies from a single reference. The XR81411 is optimized for use with a fundamental mode 10MHz to 60MHz cryst...
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