MM74HCT541WM データシートの表示（PDF） - Fairchild Semiconductor
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MM74HCT541WM Datasheet PDF : 8 Pages
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AC Electrical Characteristics
MM74HCT540: VCC 5.0V, tr tf 6 ns, TA 25qC, (unless otherwise specified)
Symbol
Parameter
Conditions
tPHL, tPLH
tPZL, tPZH
tPLZ, tPHZ
Maximum Output
Propagation Delay
Maximum Output
Enable Time
Maximum Output
Disable Time
CL 45 pF
CL 45 pF
RL 1 k:
CL 5 pF
RL 1 k:
AC Electrical Characteristics
Guaranteed
Typ
Units
Limits
12
18
ns
14
28
ns
13
25
ns
MM74HCT540: VCC 5.0V r 10%, tr tf 6 ns (unless otherwise specified)
Symbol
Parameter
Conditions
TA 25qC
Typ
tPHL, tPLH Maximum Output
Propagation Delay
tPZH, tPZL Maximum Output
Enable Time
tPHZ, tPLZ Maximum Output
Disable Time
tTHL, tTLH Maximum Output
Rise and Fall Time
CL 50 pF
12
20
CL 150 pF
22
30
RL 1 k:
CL 50 pF
15
30
CL 150 pF
20
40
RL 1 k:
15
30
CL 50 pF
CL 50 pF
6
12
CIN
Maximum Input
Capacitance
5
10
COUT
Maximum Output
Capacitance
15
20
TA 40 to 85qC TA 55 to 125qC
Guaranteed Limits
25
30
38
45
38
45
50
60
38
45
15
18
10
10
20
20
CPD
Power Dissipation
Capacitance (Note 5)
(per output) G VCC
12
G GND
50
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
pF
pF
3
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