MM74HCT273MTC 데이터 시트보기 (PDF) - Fairchild Semiconductor
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MM74HCT273MTC Datasheet PDF : 8 Pages
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AC Electrical Characteristics
VCC 5V, TA 25qC, CL 15 pF, tr tf 6 ns
Symbol
Parameter
fMAX
tPHL, tPLH
tPHL, tPLH
tREM
tS
tH
tW
Maximum Operating Frequency
Maximum Propagation Delay from Clock to Q
Maximum Propagation Delay from Clear to Q
Minimum Removal Time, Clear to Clock
Minimum Set-Up Time D to Clock
Minimum Hold Time Clock to D
Minimum Pulse Width Clock or Clear
Conditions
Guaranteed
Typ
Units
Limits
68
30
MHz
18
30
ns
21
30
ns
1
5
ns
6
20
ns
3
5
ns
10
16
ns
AC Electrical Characteristics
VCC 5.0V r 10%, CL 50 pF, tr tf 6 ns unless otherwise specified
Symbol
Parameter
Conditions
TA 25qC
Typ
TA 40qC to 85qC TA 55qC to 125qC Units
Guaranteed Limits
fMAX
Maximum Operating
Frequency
68
27
21
18
MHz
tPHL, tPLH Maximum Propagation
Delay from Clock to Q
22
37
46
56
ns
tPHL, tPLH Maximum Propagation
Delay from Clear to Q
tREM
Minimum Removal
Time Clear to Clock
25
35
44
1
5
6
52
ns
7
ns
tS
Minimum Set-Up Time
D to Clock
tH
Minimum Hold Time
Clock to D
6
20
25
3
5
5
30
ns
5
ns
tW
Minimum Pulse Width
Clock or Clear
10
16
25
30
ns
tr, tf
Maximum Input Rise
and Fall Time, Clock
500
500
500
ns
tTHL, tTLH Maximum Output Rise
and Fall Time
11
15
19
22
ns
CPD
Power Dissipation
(Per Flip-Flop)
50
pF
Capacitance (Note 5)
CIN
Maximum Input
Capacitance
6
10
10
10
pF
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 VCC2 f ICC.
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