MM74C76M 查看數據表（PDF） - Fairchild Semiconductor
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MM74C76M Datasheet PDF : 7 Pages
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AC Electrical Characteristics (Note 3)
TA = 25°C, CL = 50 pF, unless otherwise noted
Symbol
Parameter
Conditions
CIN
tpd0, tpd1
Input Capacitance
Propagation Delay Time to a
Logical “0” or Logical “1” from
Any Input
VCC = 5V
VCC = 10V
Clock to Q or Q
tpd0
Propagation Delay Time to a
VCC = 5V
Logical “0” from Preset or Clear
VCC = 10V
tpd
Propagation Delay Time to a
VCC = 5V
Logical “1” from Preset or Clear
VCC = 10V
tS
Time Prior to Clock Pulse that
VCC = 5V
Data must be Present
VCC = 10V
tH
Time after Clock Pulse that J
VCC = 5V
and K must be Held
VCC = 10V
tPW
Minimum Clock Pulse Width
VCC = 5V
tWL = tWH
VCC = 10V
tPW
Minimum Preset and Clear
VCC = 5V
Pulse Width
VCC = 10V
tMAX
Maximum Toggle Frequency
VCC = 5V
VCC = 10V
tr, tf
Clock Pulse Rise and Fall Time
VCC = 5V
VCC = 10V
Note 3: AC Parameters are guaranteed by DC correlated testing.
Min
Typ
Max
Units
5
pF
180
300
ns
70
110
ns
200
300
ns
80
130
ns
200
300
ns
80
130
ns
110
175
ns
45
70
ns
−40
0
ns
−20
0
ns
120
190
ns
50
80
ns
90
130
ns
40
60
ns
2.5
4
MHz
7
11
MHz
15
µs
5
µs
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