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參數資料
| 型號： | SCAN182245ASSCX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| 中文描述： | SCAN/JTAG/3J SERIES, DUAL 9-BIT BOUNDARY SCAN TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | 0.300 INCH, 0.635 MM PITCH, SSOP-56 |
| 文件頁數： | 2/18頁 |
| 文件大小： | 231K |
| 代理商： | SCAN182245ASSCX |
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
相關PDF資料 |
PDF描述 |
|---|---|
| SCAN182245ASSMQB | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245ASSMX | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFCQB | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFCX | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFMQB | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SCAN182245ASSMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245ASSMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245BFMQB | 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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