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FSUSB22QSCX Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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FSUSB22QSCX Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 12 page © 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com FSUSB22 • Rev. 1.0.3 2 Logic Diagram Analog Symbol USB Port USB Port D- D+ D+ D- Docking Station USB 2.0 Host Controller FSUSB22 USB Port USB Port D+ D- D+ D- D+ D- D+ D- Notebook Computer Docking Connector 1B1 1B2 1A 2B1 2B2 2A GND 3A 3B2 3B1 4A 4B2 4B1 /OE S VCC 1 16 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Figure 1. Logic Diagram Figure 2. Analog Symbol S 1B1 1B2 1A 2B1 2B2 2A GND VCC /OE 4B1 4B2 4A 3B1 3B2 3A 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 1B 1 1B 2 1A 2B 1 2B 2 2A GND 3A 3B 2 3B 1 4A 4B 2 4B 1 /OE S V CC 116 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Figure 3. QSOP and TSSOP Pin Configuration Figure 4. Pad Assignment for DQFN Pin Descriptions Pin # Pin Names Description 1 S Select Input 2,3,5,6,10,11,13,14 1B1,1B2, 2B1,2B2,3B2,3B1,4B2,4B1 Bus B 8 GND Ground 4,7,9,12 1A,2A,3A,4A Bus A 15 /OE Bus Switch Enable 16 VCC Supply Voltage Truth Table S OE Function Don’t Care HIGH Disconnect LOW LOW A=B1 HIGH LOW A=B2 |
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