SN5414, SN54LS14,
SN7414, SN74LS14
HEX SCHMITT-TRIGGER INVERTERS
SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002
†
TYPICAL CHARACTERISTICS OF ’14 CIRCUITS
POSITIVE-GOING THRESHOLD VOLTAGE
NEGATIVE-GOING THRESHOLD VOLTAGE
vs
vs
FREE-AIR TEMPERATURE
FREE-AIR TEMPERATURE
1.70
0.90
V
CC
= 5 V
V
CC
= 5 V
0.89
0.88
0.87
0.86
0.85
0.84
0.83
0.82
0.81
0.80
1.69
1.68
1.67
1.66
1.65
1.64
1.63
1.62
1.61
1.60
–75 –50 –25
0
25
50
75 100 125
0
25
50
75 100 125
–75 –50 –25
T
A
– Free-Air Temperature – °C
T
A
– Free-Air Temperature – °C
Figure 3
Figure 4
HYSTERESIS
vs
FREE-AIR TEMPERATURE
850
V
CC
= 5 V
840
830
820
810
800
790
780
770
760
750
–75 –50 –25
0
25
50
75 100 125
T
A
– Free-Air Temperature – °C
Figure 5
†
Data for temperatures below 0°C and above 70°C and supply voltage below 4.75 V and above 5.25 V are applicable for SN5414 only.
8
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