MXC Series 3.3 Volt FR-4 Based HCMOS/TTL Compatible Surface Mount Oscillators * 4 Pin available to 77.760 MHz only. 1. Calibration, deviation over temperature, shock, vibration, and aging. 2. See load circuit diagram #2 on page 92. 46 MXC Series 3.3 Volt FR-4 Based HCMOS/TTL Compatible Surface Mount Oscillators Pin Connections * 4 Pin available to 77.760 MHz only. PACKAGE 1 (K) PACKAGE 2 (F) 47