Datasheet

www.fairchildsemi.com 4
74LCX38
AC Loading and Waveforms Generic for LCX Family
FIGURE 1. AC Test Circuit
(C
L
includes probe and jig capacitance)
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)
Test Switch
t
PZL
, t
PLZ
6V at V
CC
3.3 0.3V
V
CC
x 2 at V
CC
2.5 0.2V
Symbol
V
CC
3.3V 0.3V 2.7V 2.5V 0.2V
V
mi
1.5V 1.5V V
CC
/2
V
mo
1.5V 1.5V V
CC
/2
V
x
V
OL
0.3V V
OL
0.3V V
OL
0.15V
V
y
V
OH
0.3V V
OH
0.3V V
OH
0.15V