CRYSTAL OSCILLATORS VOLTAGE CONTROLLED CRYSTAL OSCILLATORS 7100 SERIES Model 7121D Main applications : ISDN Features 8 Dip14pin IC compatible 8 AFC charact : 100x10-6 min/+2.52.0V 8 Directly drives both TTL/C-MOS IC 8 Hermetically sealed package Specification Model 7121D Spec. Code Item AVR71 Nominal Frequency Range (MHz) AVR81 24.576 25.92 27 32.768 38.88 Supply Voltage +5VDC5% Load N-TTL2 Operating Temp. Range 15pF 0~+70C >35MHz 25mA max/<35MHz 35mA max/= Current Consumption Frequency Stability 30x10 max/0~+70C Supply Volt Change 3x10 max/+5V5% Aging 5x10 max/year Output Level Duty Cycle TTL C-MOS 40~60% (+1.4V) 40~60% (1/2VDD) AFC Charact. 100x10 min/+2.52.0V Polarity Positive Case Code 21D Dimensions 21D 13max 11max (mm) 6.35 0.5 0.8 0.3 7.24max 19max 21max 4 - o0.45 0.1 V.C. + DC 11.50 1.5 15.24 7.62 1.0 5.00 1.0 GND OUTPUT 0.3 134