The IQXO-540 from IQD Frequency Products is a Crystal Oscillator that operates from 1 to 80 MHz. It delivers a CMOS output with a start-up time of less than 10 ms. This oscillator requires a DC supply of 3.3 V and consumes less than 15 mA of current. It is available in a hermetically-sealed ceramic package that measures 2.0 x 1.6 mm with a seam-sealed metal lid.