This drawing describes the requirements of a enable/tri-state, miniature, surface mount crystal controlled oscillator with a frequency range of 312 kilohertz (kHZ) to 170 megahertz (MHz), TTL and CMOS compatible, rated at 3.3 volts, meeting the requirements of MIL-PRF-55310 product level B, type 1, class 2 supplied to the requirements of this drawing specified herein.