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參數(shù)資料
| 型號： | RM54ACTQ16244VX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ACT SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, CDFP48 |
| 封裝： | CERPACK-48 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 119K |
| 代理商： | RM54ACTQ16244VX |
Functional Description
The ’ACTQ16244 contains sixteen non-inverting buffers with
TRI-STATE standard outputs. The device is nibble (4 bits)
controlled with each nibble functioning identically, but inde-
pendent of the other. The control pins can be shorted to-
gether to obtain full 16-bit operation. The TRI-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
Inputs
Outputs
OE
1
I
0–I3
O
0–O3
LL
L
LH
H
HX
Z
Inputs
Outputs
OE
3
I
8–I11
O
8–O11
LL
L
LH
H
Inputs
Outputs
OE
3
I
8–I11
O
8–O11
HX
Z
Inputs
Outputs
OE
2
I
4–I7
O
4–O7
LL
L
LH
H
HX
Z
Inputs
Outputs
OE
4
I
12–I15
O
12–O15
LL
L
LH
H
HX
Z
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
Logic Diagram
DS010925-3
www.national.com
2
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