CDCE72010 High-Performance Clock Synchronizers Texas Instruments CDCE72010 High-Performance Clock Synchronizers synchronizes a voltage-controlled crystal oscillator (VCXO) or voltage-controlled oscillator (VCO) frequency to one of two reference clocks. The TI device features low phase noise, low skew, and a fully programmable clock path that provides the user with a high degree of flexibility. The clock synchronizer operates in a 3.3V environment and is designed to operate in a -40ºC to 85ºC temperature range.