74LCX38 Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – Low Voltage Quad 2-Input NAND Gate (Open Drain) with 5V Tolerant Inputs

AC Loading and Waveforms Generic for LCX Family
FIGURE 1. AC Test Circuit
(C_L includes probe and jig capacitance)
Test
t_PZL, t_PLZ
Switch
6V at V_CC 3.3 r 0.3V
V_CC x 2 at V_CC 2.5 r 0.2V
3-STATE Output Low Enable and
Disable Times for Logic
t_rise and t_fall
FIGURE 2. Waveforms
(Input Pulse Characteristics; f = 1MHz, t_r = t_f = 3ns)
Symbol
V_mi
V_mo
V_x
V_y
3.3V r 0.3V
1.5V
1.5V
V_OL  0.3V
V_OH  0.3V
V_CC
2.7V
1.5V
1.5V
V_OL  0.3V
V_OH  0.3V
2.5V r 0.2V
V_CC/2
V_CC/2
V_OL  0.15V
V_OH  0.15V
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