参数资料
型号: SN74LS14DR
厂商: TEXAS INSTRUMENTS INC
元件分类: 门电路
英文描述: LS SERIES, HEX 1-INPUT INVERT GATE, PDSO14
封装: GREEN, PLASTIC, MS-012AB, SOIC-14
文件页数: 2/25页
文件大小: 813K
代理商: SN74LS14DR
SN5414, SN54LS14,
SN7414, SN74LS14
HEX SCHMITT-TRIGGER INVERTERS
SDLS049B – DECEMBER 1983 – REVISED FEBRUARY 2002
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS OF ’LS14 CIRCUITS
Figure 10
1.64
1.62
1.61
1.60
Positive-Going
Threshold
V
oltage
V
1.66
1.67
POSITIVE-GOING THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
1.70
1.65
1.63
VCC = 5 V
1.68
1.69
TA – Free-Air Temperature – °C
–25
–50
–75
0
25
50
75
100
125
T+
V
Figure 11
0.84
0.82
0.81
0.80
0.86
0.87
NEGATIVE-GOING THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
0.90
0.85
0.83
VCC = 5 V
0.88
0.89
–25
–50
–75
0
25
50
75
100
125
TA – Free-Air Temperature – °C
N
ega
ti
ve-
G
o
ing
Th
res
h
o
ld
V
o
lt
age
V
T
V
Figure 12
790
770
760
750
810
820
HYSTERESIS
vs
FREE-AIR TEMPERATURE
850
800
780
VCC = 5 V
830
840
–25
–50
–75
0
25
50
75
100
125
TA – Free-Air Temperature – °C
T+
Hysteresis
V
T
V
Figure 13
760
740
780
800
820
DISTRIBUTION OF UNITS
FOR HYSTERESIS
840
860
880
VT+ – VT– – Hysteresis – mV
VCC = 5 V
TA = 25°C
Relative
Frequency
of
Occurence
720
99% ARE
ABOVE
735 mV
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.
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