MM74HC688 데이터 시트보기 (PDF) - Fairchild Semiconductor
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MM74HC688 Datasheet PDF : 7 Pages
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AC Electrical Characteristics
VCC 5V, TA 25qC, CL 15 pF, tr tf 6 ns
Symbol
Parameter
tPHL, tPLH
tPLH, tPHL
Maximum Propagation
Delay, any P or Q to Output
Maximum Propagation
Delay, Enable to any Output
Conditions
Guaranteed
Typ
Units
Limit
21
30
ns
14
20
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 25qC
Typ
TA 40 to 85qC TA 55 to 125qC
Guaranteed Limits
tPHL, tPLH Maximum Propagation
Delay, P or Q to
2.0V
60
175
220
263
4.5V
22
35
44
53
Output
6.0V
19
30
38
45
tPHL, tPLH Maximum Propagation
Delay, Enable to
2.0V
45
120
150
180
4.5V
15
24
30
36
Output
6.0V
13
20
25
30
tTHL, tTLH
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
45
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 CPDVCC f ICC.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
3
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