參數(shù)資料
型號： HD74HC442
廠商： Hitachi,Ltd.
英文描述： Quad. Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs)
中文描述： 四。 Tridirectional總線收發(fā)器（帶noninverted /倒三態(tài)輸出）
文件頁數(shù)： 2/12頁
文件大?。?/td> 82K
代理商： HD74HC442
HD74HC442/HD74HC443HD74HC444
2
Function Table
Inputs
CS
Transfers Between Buses
S
1
X
S
0
X
G
A
G
B
G
C
HD74HC442
HD74HC443
HD74HC444
H
X
X
X
None
None
None
X
H
H
X
X
X
None
None
None
X
X
X
H
H
H
None
None
None
X
L
L
X
H
H
None
None
None
X
L
H
H
X
H
None
None
None
X
H
L
H
H
X
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
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
L
L
L
X
L
L
A
→
B, A
→
C
B
→
C, B
→
A
C
→
A, C
→
B
A
→
B
B
→
C
C
→
A
A
→
C
B
→
A
C
→
B
L
L
H
L
X
L
L
H
L
L
L
X
L
L
L
X
L
H
L
L
H
H
X
L
L
H
L
L
H
X
L
L
L
X
H
L
L
L
H
L
X
H
L
H
L
H
L
X
相關(guān)PDF資料
PDF描述
HD74HC443 Quad. Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs)
HD74HC444 Quad. Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs)
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