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參數(shù)資料
| 型號(hào)： | SCAN182245FSSMX |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| 中文描述： | 非反相與25OHM系列電阻器輸出 |
| 文件頁(yè)數(shù)： | 2/18頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | SCAN182245FSSMX |
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Truth Tables
Inputs
A1
(0–8)
B1
(0–8)
2
G1
DIR1
L
L
L
L
H
L
L
H
H
X
H
w
L
w
H
x
L
x
Z
H
L
H
L
Z
Inputs
A2
(0–8)
B2
(0–8)
2
G2
DIR2
L
L
L
L
H
L
L
H
H
X
H
w
L
w
H
x
L
x
Z
H
L
H
L
Z
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
Z
e
High Impedance
2
e
Inactive-to-Active transition must occur to enable outputs upon
power-up.
Functional Description
The SCAN182245A consists of two sets of nine non-invert-
ing bidirectional buffers with TRI-STATE outputs and is in-
tended for bus-oriented applications. Direction pins (DIR1
and DIR2) LOW enables data from B ports to A ports, when
HIGH enables data from A ports to B ports. The Output
Enable pins (G1 and G2) when HIGH disables both A and B
ports by placing them in a high impedance condition.
Block Diagrams
A1, B1, G1 and DIR1
TL/F/11657–2
Note:
BSR stands for Boundary Scan Register.
http://www.national.com
2
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| SCAN182245TFCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
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| SCAN182245TFMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245TSSCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
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