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FSUSB42MUX Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part # FSUSB42MUX
Description  FSUSB42 ??Low-Power, Two-Port, Hi-Speed, USB2.0 (480Mbps) UART Switch
PDF  10 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FSUSB42MUX Datasheet(HTML) 2 Page - Fairchild Semiconductor

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© 2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSUSB42 • Rev. 1.1.5
2
Pin Assignments
Vcc
GND
1
8
5
4
3
2
Sel
D+
D-
HSD2+
HSD2-
HSD1+
/OE
9
10
6
7
HSD1-
5
4
3
2
1
6
7
8
9
10
VCC
Sel
D+
D-
GND
/OE
HSD1-
HSD2-
HSD1+
HSD2+
Figure 2. Pin Assignment 10L UMLP
(Top Through View)
Figure 3. Pin Assignment 10L MSOP
(Top Through View)
Pin Definitions
UMLP Pin#
MSOP Pin#
Name
Description
1
3
D+
USB Data Bus
2
4
D-
USB Data Bus
3
5
GND
Ground
4
6
HSD1-
Multiplexed Source Inputs (UART / USB)
5
7
HSD1+
Multiplexed Source Inputs (UART / USB)
6
8
HSD2-
Multiplexed Source Inputs (USB Only)
7
9
HSD2+
Multiplexed Source Inputs (USB Only)
8
10
/OE
Switch Enable
9
1
VCC
Supply Voltage
10
2
Sel
Switch Select
Truth Table
Sel
/OE
Function
X
HIGH
Disconnect
LOW
LOW
D+, D-=HSD1+, HSD1-
HIGH
LOW
D+, D-=HSD2+, HSD2-



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