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74LCX125 Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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74LCX125 Datasheet(HTML) 5 Page - Fairchild Semiconductor |
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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 r 0.3V VCC x 2 at VCC 2.5 r 0.2V tPZH,tPHZ GND Symbol VCC 3.3V r 0.3V 2.7V 2.5V r 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 |
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