MC74AC74DTEL データシートの表示（PDF） - ON Semiconductor
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MC74AC74DTEL Datasheet PDF : 12 Pages
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MC74AC74, MC74ACT74
TRUTH TABLE (Each Half)
Inputs
Outputs
SD
CD
CP
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H
H
H
H
H
H
L
H
H
L
L
H
H
H
L
X
Q0
Q0
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial;
= LOW-to-HIGH Clock Transition
Q0(Q0) = Previous Q(Q) before LOW-to-HIGH
Transition of Clock
Q1
Q1
SD1
CD1
D1 CP1
Q2
SD2
D2 CP2
Q2
CD2
Figure 2. Logic Symbol
SD
D
Q
CP
Q
CD
NOTE:
This diagram is provided only for the understanding of
logic operations and should not be used to estimate
propagation delays.
Figure 3. Logic Diagram
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
Vin
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
–0.5 to +7.0
V
–0.5 to VCC +0.5
V
Vout
Iin
Iout
ICC
Tstg
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC VCC or GND Current per Output Pin
Storage Temperature
–0.5 to VCC +0.5
V
±20
mA
±50
mA
±50
mA
–65 to +150
°C
*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recom-
mended Operating Conditions.
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