Input voltage 5.25 vdc, input current 40 ma max., output wave form-ttl compatible, output logic-digital pulse train continuous, shall be hermetically sealed, operating temperature -55 degrees c to +125 degrees c, storage temperature range -55 degrees c to +150 degrees c, 0.88 in. Lg, 0.88 in. W, 0.575 in. H, frequency 32.785706 mhz, used as a ttl integrated circuit logic clock in airborne military applications