The MK2727 is MicroClock's lowest cost, low jitter, high performance VCXO and PLL clock synthesizer designed to replace expensive 27MHz VCXOs. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3V input voltage to cause the output clocks to vary by 100 ppm. Using MicroClock's patented VCXO and analog PhaseLocked Loop (PLL) techniques, the device uses an inexpensive external 13.5 MHz pullable crystal input to produce a