Datasheet

MOTOROLA CMOS LOGIC DATA
3
MC14093B
SWITCHING CHARACTERISTICS (C
L
= 50 pF, T
A
= 25 C)
Characteristic Symbol
V
DD
Vdc
Min Typ # Max Unit
Output Rise Time t
TLH
5.0
10
15
100
50
40
200
100
80
ns
Output Fall Time t
THL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time t
PLH
, t
PHL
5.0
10
15
125
50
40
250
100
80
ns
#Data labeled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
Figure 1. Switching Time Test Circuit and Waveforms
PULSE
GENERATOR
V
DD
OUTPUT
C
L
V
SS
7
14
INPUT
20 ns 20 ns
V
DD
V
SS
V
OH
V
OL
t
PLH
t
PHL
OUTPUT
INPUT
t
THL
t
TLH
90%
50%
10%
90%
50%
10%
V
out
V
in
V
H
V
DD
V
SS
V
DD
V
SS
(a) Schmitt Triggers will square up
(a) inputs with slow rise and fall times.
(b) A Schmitt trigger offers maximum
(b) noise immunity in gate applications.
V
H
V
out
V
in
V
DD
V
SS
V
DD
V
SS
Figure 2. Typical Schmitt Trigger Applications