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5 page 
5 www.fairchildsemi.com AC Loading and Waveforms Generic for LCX Family FIGURE 1. AC Test Circuit (CL includes probe and jig capacitance) Waveform for Inverting and Non-Inverting Functions Propagation Delay, Pulse Width and trec Waveforms 3-STATE Output High Enable and Disable TImes for Logic 3-STATE Output Low Enable and Disable Times for Logic Setup Time, Hold TIme and Recovery TIme for Logic trise and tfall FIGURE 2. Waveforms (Input Pulse Characteristics; f=1MHz, tr=tf=3ns) Test Switch tPLH, tPHL Open tPZL, tPLZ 6V at VCC = 3.3 ± 0.3V VCC x 2 at VCC = 2.5 ± 0.2V tPZH,tPHZ GND Symbol VCC 3.3V ± 0.3V 2.7V 2.5V ± 0.2V Vmi 1.5V 1.5V VCC/2 Vmo 1.5V 1.5V VCC/2 Vx VOL + 0.3V VOL + 0.3V VOL + 0.15V Vy VOH − 0.3V VOH − 0.3V VOH − 0.15V |
