74LCX245
AC LOADING and WAVEFORMS
Generic for LCX Family
FIGURE 1. AC Test Circuit (C
L
includes probe and jig capacitance)
Test
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
Switch
Open
6V at V
CC
3.3V
r
0.3V
2.5V
r
0.2V
V
CC
x 2 at V
CC
GND
Waveform for Inverting and Non-Inverting Functions
3-STATE Output High Enable and
Disable Times for Logic
Propagation Delay. Pulse Width and t
rec
Waveforms
Setup Time, Hold Time and Recovery Time for Logic
3-STATE Output Low Enable and
Disable Times for Logic
FIGURE 2. Waveforms
(Input Characteristics; f =1MHz, t
r
= t
f
= 3ns)
Symbol
V
mi
V
mo
V
x
V
y
V
CC
3.3V
r
0.3V
1.5V
1.5V
V
OL
0.3V
V
OH
0.3V
2.7V
1.5V
1.5V
V
OL
0.3V
V
OH
0.3V
t
rise
and t
fall
2.5V
r
0.2V
V
CC
/2
V
CC
/2
V
OL
0.15V
V
OH
0.15V
5
www.fairchildsemi.com