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74LCX126_05 Datasheet, PDF (5/11 Pages) Fairchild Semiconductor – Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs
AC Loading and Waveforms Generic for LCX Family
FIGURE 1. AC Test Circuit
(CL includes probe and jig capacitance)
Test
tPLH, tPHL
tPZL, tPLZ
tPZH,tPHZ
Switch
Open
6V at VCC 3.3 r 0.3V
VCC x 2 at VCC 2.5 r 0.2V
GND
Waveform for Inverting and Non-Inverting Functions
3-STATE Output Low Enable and
Disable Times for Logic
Propagation Delay, Pulse Width and trec Waveforms
Setup Time, Hold TIme and Recovery TIme for Logic
3-STATE Output High Enable and
Disable TImes for Logic
trise and tfall
FIGURE 2. Waveforms
(Input Pulse Characteristics; f = 1MHz, tr = tf = 3ns)
Symbol
Vmi
Vmo
Vx
Vy
3.3V r 0.3V
1.5V
1.5V
VOL  0.3V
VOH  0.3V
VCC
2.7V
1.5V
1.5V
VOL  0.3V
VOH  0.3V
2.5V r 0.2V
VCC/2
VCC/2
VOL  0.15V
VOH  0.15V
5
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