HCTS646D データシートの表示（PDF） - Intersil
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HCTS646D Datasheet PDF : 11 Pages
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Functional Diagram
4
P
PAD
A0
N
HCTS646MS
CL
FF
QO
CL
FF
OQ
20
P
PAD
N
B0
22 PAD
SBA
2 PAD
SAB
23 PAD
CBA
1 PAD
CAB
21 PAD
OE
3 PAD
DIR
3 PAD
DIR
12 PAD
VSS
OE
X
X
H
H
L
L
L
L
TO CHANNELS
1 THROUGH 7
CHANNEL
0
1
2
3
4
5
6
7
PINS
4 - 20
5 - 19
6 - 18
7 - 17
8 - 16
9 - 15
10 - 14
11 - 13
TRUTH TABLE
INPUTS
DIR CAB CBA SAB SBA
X
X
X
X
X
X
X
X
X
X
X
X
H or L H or L
X
X
L
X
X
X
L
L
X
H or L
X
H
H
X
X
L
X
H
H or L
X
H
X
DATA I/O*
A0 THRU A7
B0 THRU B7
Input Not
Specified
Not Specified
Input
Input Not
Specified
Input
Input
Input
Input
Input
Output
Input
Output
Input
Input
Output
Input
Output
OPERATION OR FUNCTION
Store A, B Unspecified
Store B, A Unspecified
Store A and B Data
Isolation, Hold Storage
Real-Time B Data to A Bus
Stored B Data to A Bus
Real-Time A Data to B Bus
Stored A Data to B Bus
Spec Number 518628
707
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