MC74LCX74 データシートの表示（PDF） - Motorola => Freescale
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MC74LCX74 Datasheet PDF : 9 Pages
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MC74LCX74
4
SD1
2
D1
3
CP1
1
CD1
10
SD2
12
D2
11
CP2
13
CD2
LOGIC DIAGRAM
SD
D
Q
CP
Q
CD
SD
D
Q
CP
Q
CD
5
O1
6
O1
9
O2
8
O2
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
MOTOROLA
2
LCX DATA
BR1339 — REV 3
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