74lcx138mx-nl Fairchild Semiconductor, 74lcx138mx-nl Datasheet - Page 6

• Manufacturer Part Number: 74lcx138mx-nl
• Description: 74lcx138 Low Voltage 1-of-8 Decoder/demultiplexerwith 5v Tolerant Inputs
• Manufacturer: Fairchild Semiconductor

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