MM74HC08M Просмотр технического описания (PDF) - Fairchild Semiconductor
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MM74HC08M Datasheet PDF : 7 Pages
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AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns
Symbol
Parameter
tPHL
Maximum Propagation
Delay, Output HIGH-to-LOW
tPLH
Maximum Propagation
Delay, Output LOW-to-HIGH
Conditions
Typ
Guaranteed
Limit
Units
12
20
ns
7
15
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
TA = −40 to 125°C
Typ
Guaranteed Limits
tPHL
Maximum Propagation Delay,
Output HIGH-to-LOW
2.0V
77
121
175
4.5V
15
24
35
6.0V
13
20
30
tPLH
Maximum Propagation Delay,
Output LOW-to-HIGH
2.0V
30
90
134
4.5V
10
18
27
6.0V
8
15
23
tTLH, tTHL
Maximum Output
Rise and Fall Time
2.0V
30
75
110
4.5V
8
15
22
6.0V
7
13
19
CPD
Power Dissipation Capacitance (Note 5)
(per gate)
38
CIN
Maximum Input Capacitance
4
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
ns
ns
ns
pF
pF
3
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