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Description

The MK3721 is ICS/MicroClock’s lowest cost, low jitter, high performance 3.3 volt VCXO designed to replace expensive VCXO modules. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm. Using ICS/MicroClock’s patented VCXO techniques, the device uses an inexpensive external pullable crystal in the range of 16.2 - 28 MHz to produce a VCXO output clock at that same frequency.

Features

? Packaged in 8 pin SOIC

? 3.3 V operating voltage

? 16.2 MHz to 28 MHz operation

? Uses an inexpensive external crystal

? On-chip VCXO (patented) with pull range of 200 ppm (minimum)

? VCXO tuning voltage of 0 to 3.3 V

? 12 mA output drive capability at TTL levels

? Advanced, low power, sub-micron CMOS process

? For frequencies between 8 MHz to 16 MHz, use the MK3711A. For frequencies between 1 MHz and 8 MHz, use the MK3713. For higher than 28 MHz, use the MK3732-05