MM74HC14N 查看數據表（PDF） - Fairchild Semiconductor
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MM74HC14N Datasheet PDF : 8 Pages
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AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns
Symbol
Parameter
tPHL, tPLH
Maximum Propagation Delay
Conditions
Typ
Guaranteed Limit
Units
12
22
ns
AC Electrical Characteristics
VCC = 2.0V to 6.0V, CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Symbol
Parameter
Conditions
VCC
TA = 25°C
Typ
TA = −40 to 85°C TA = −55 to 125°C
Guaranteed Limits
tPHL, tPLH Maximum Propagation
Delay
2.0V
60
125
156
188
4.5V
13
25
31
38
6.0V
11
21
26
32
tTLH, tTHL Maximum Output Rise
and Fall Time
2.0V
30
75
95
110
4.5V
8
15
19
22
6.0V
7
13
16
19
CPD
Power Dissipation
(per gate)
27
Capacitance (Note 5)
CIN
Maximum Input Capacitance
5
10
10
10
Note 5: CPD determines the no load dynamic power consumption, PD = CPD VCC2 f + ICC VCC, and the no load dynamic current consumption,
IS = CPD VCC f + ICC.
Units
ns
ns
ns
ns
ns
ns
pF
pF
Typical Performance Characteristics
Input Threshold, VT+, VT−,
vs Power Supply Voltage
Propagation Delay vs
Power Supply
3
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