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HD74HC442 データシートの表示(PDF) - Hitachi -> Renesas Electronics
部品番号
コンポーネント説明
メーカー
HD74HC442
Quad Tridirectional Bus Transceiver
Hitachi -> Renesas Electronics
HD74HC442 Datasheet PDF : 12 Pages
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HD74HC442/HD74HC443HD74HC444
Function Table
Inputs
Transfers Between Buses
CS
S
1
S
0
G
A
G
B
G
C HD74HC442
H
X
X
X
X
X
None
HD74HC443
None
X
H
HXX
X None
None
X
X
XHH
H None
None
X
L
L
XH
H None
None
X
L
HHX
H None
None
X
H
L
HH
X None
None
L
L
L XL
L
A
→
B, A
→
C
A
→
B,
A
→
C
L
L
H
L
X
L
B
→
C, B
→
A
B
→
C,
B
→
A
L
HLLL
X C
→
A, C
→
B
C
→
A,
C
→
B
L
L
L XL
H A
→
B
A
→
B
L
L
H
HX
L
B
→
C
B
→
C
L
H
L
L
H
X
C
→
A
C
→
A
L
L
L
X
H
L
A
→
C
A
→
C
L
L
H
L
X
H
B
→
A
B
→
A
L
H L HL
X C
→
B
C
→
B
HD74HC444
None
None
None
None
None
None
A
→
B,
A
→
C
B
→
C,
B
→
A
C
→
A, C
→
B
A
→
B
B
→
C
C
→
A
A
→
C
B
→
A
C
→
B
2
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