MC14093B
SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C)
Characteristic
VDD
Symbol
Vdc
Typ
Min
(Note 5)
Max
Unit
Output Rise Time
tTLH
5.0
−
100
200
ns
10
−
50
100
15
−
40
80
Output Fall Time
tTHL
5.0
−
100
200
ns
10
−
50
100
15
−
40
80
Propagation Delay Time
tPLH, tPHL
5.0
−
125
250
ns
10
−
50
100
15
−
40
80
5. Data labeled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
PULSE
GENERATOR
VDD
14
INPUT
7 VSS
OUTPUT
CL
20 ns
INPUT
tPHL
OUTPUT
90%
50%
10%
90%
50%
10%
tTHL
Figure 1. Switching Time Test Circuit and Waveforms
20 ns
VDD
VSS
tPLH
VOH
VOL
tTLH
VH
VDD
VH
VDD
Vin
Vin
VSS
VSS
VDD
VDD
Vout
VSS
(a) Schmitt Triggers will square up
(a) inputs with slow rise and fall times.
Vout
VSS
(b) A Schmitt trigger offers maximum
(b) noise immunity in gate applications.
Figure 2. Typical Schmitt Trigger Applications
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