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NCN1154 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCN1154
Description  USB 2.0 High Speed, UART and Audio Switch with Negative Signal Capability
Download  9 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCN1154 Datasheet(HTML) 2 Page - ON Semiconductor

   
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NCN1154
www.onsemi.com
2
Figure 1. Functional Block Diagram
Figure 2. Pinout Diagram
(Top View)
1
2
3
4
5
11
10
9
8
7
12
6
Tx
VCC
Rx
D−
IN1
COM+
GND
COM−
IN2
D+
L
R
D−
D+
COM+
L
R
COM−
GND
IN2
RX
TX
Control Logic
IN1
VCC
PIN DESCRIPTIONS
Pin #
Name
Direction
Description
1
D+
I/O
Positive Data Line for USB Signals
2
Tx
I/O
Transmit Data Line for UART Signals
3
VCC
Power
Power Supply
4
Rx
I/O
Receive Data Line for UART Signals
5
D−
I/O
Negative Data Line for USB Signals
6
R
I/O
Right Line for Audio Signals
7
IN2
Input
Control Input Select Line
8
COM−
I/O
Right Audio / Negative Data Common Line
9
GND
Power
Ground
10
COM+
I/O
Left Audio / Positive Data Common Line
11
IN1
Input
Control Input Select Line
12
L
I/O
Left Line for Audio Signals
TRUTH TABLE
IN1
IN2
D+, D−
RX/TX
L, R
L, R SHUNT
0
0
Hi Z
Hi Z
Hi Z
ON
0
1
ON
Hi Z
Hi Z
ON
1
0
Hi Z
Hi Z
ON
OFF
1
1
Hi Z
ON
Hi Z
ON


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