MC14093B
SWITCHING CHARACTERISTICS (C = 50 pF, T = 25_C)
L
A
V
DD
Vdc
(5)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Rise Time
Output Fall Time
t
t
5.0
10
15
−
−
−
100
50
40
200
100
80
ns
TLH
5.0
10
15
−
−
−
100
50
40
200
100
80
ns
ns
THL
Propagation Delay Time
t
, t
5.0
10
15
−
−
−
125
50
40
250
100
80
PLH PHL
5. Data labeled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
V
DD
20 ns
20 ns
14
V
DD
90%
50%
10%
INPUT
PULSE
GENERATOR
OUTPUT
V
V
SS
t
t
PLH
PHL
INPUT
OH
90%
50%
C
L
7
V
SS
OUTPUT
10%
V
OL
t
t
TLH
THL
Figure 1. Switching Time Test Circuit and Waveforms
V
V
V
V
DD
H
DD
H
V
in
V
in
V
V
V
V
SS
DD
SS
DD
V
out
V
out
V
SS
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.
Figure 2. Typical Schmitt Trigger Applications
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