MC74LVX74D データシートの表示（PDF） - ON Semiconductor
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MC74LVX74D Datasheet PDF : 8 Pages
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SD1
4
D1
2
CP1
3
CD1
1
MC74LVX74
SD
D
Q
CP
Q
CD
5 O1
6
O1
SD2 10
D2 12
CP2 11
CD2 13
SD
D
Q
CP
Q
CD
9
O2
8
O2
Figure 2. Logic Diagram
INPUTS
OUTPUTS
SDn
CDn
CPn
Dn
On
On
OPERATING MODE
L
H
X
X
H
L
H
L
X
X
L
H
Asynchronous Set
Asynchronous Clear
L
L
X
X
H
H
Undetermined
H
H
↑
h
H
L
H
H
↑
l
L
H
Load and Read Register
H
H
↑
X
NC
NC
Hold
H = High Voltage Level; h = High Voltage Level One Setup Time Prior to the Low–to–High Clock Transition; L = Low Voltage Level; l =
Low Voltage Level One Setup Time Prior to the Low–to–High Clock Transition; NC = No Change; X = High or Low Voltage Level or
Transitions are Acceptable; ↑ = Low–to–High Transition; ↑ = Not a Low–to–High Transition; For ICC Reasons DO NOT FLOAT Inputs
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