參數(shù)資料
型號: 74ACTQ16244
廠商: Fairchild Semiconductor Corporation
英文描述: 16-Bit Buffer/Line Driver with 3-STATE Outputs
中文描述: 16位緩沖器/線路驅(qū)動器3態(tài)輸出
文件頁數(shù): 2/7頁
文件大小: 87K
代理商: 74ACTQ16244
www.fairchildsemi.com
2
7
Connection Diagram
Logic Diagram
Functional Description
The ACTQ16244 contains sixteen non-inverting buffers
with 3-STATE standard outputs. The device is nibble
(4 bits) controlled with each nibble functioning identically,
but independent of the other. The control pins can be
shorted together to obtain full 16-bit operation. The 3-
STATE outputs are controlled by an Output Enable (OE
n
)
input for each nibble. When OE
n
is LOW, the outputs are in
2-state mode. When OE
n
is HIGH, the outputs are in the
high impedance mode, but this does not interfere with
entering new data into the inputs.
Truth Tables
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
Inputs
Outputs
OE
1
I
0
–I
3
O
0
–O
3
L
L
L
L
H
H
H
X
Z
Inputs
Outputs
OE
2
I
4
–I
7
O
4
–O
7
L
L
L
L
H
H
H
X
Z
Inputs
Outputs
OE
3
I
8
–I
11
O
8
–O
11
L
L
L
L
H
H
H
X
Z
Inputs
Outputs
OE
4
I
12
–I
15
O
12
–O
15
L
L
L
L
H
H
H
X
Z
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