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PI3PCIE3442 Datasheet(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI3PCIE3442 Datasheet(HTML) 4 Page - Pericom Semiconductor Corporation |
4 / 13 page 4 www.pericom.com 06/04/14 All trademarks are property of their respective owners. PRELIMINARY INFORMATION - COMPANY CONFIDENTIAL PI3PCIE3442 3.3V PCI Express® 3.0 2-Lane Exchange Switch Pin Description (42-TQFN) Pin # Pin Name I/O Description 1 2 A0+ A0– I/O Signal I/O, Channel 0, Port A 5 6 A1+ A1– I/O Signal I/O, Channel 1, Port A 10 11 A2+ A2– I/O Signal I/O, Channel 2, Port A 14 15 A3+ A3– I/O Signal I/O, Channel 3, Port A 38 37 B0+ B0− I/O Signal I/O, Channel 0, Port B 34 33 B1+ B1− I/O Signal I/O, Channel 1, Port B 29 28 B2+ B2− I/O Signal I/O, Channel 2, Port B 25 24 B3+ B3− I/O Signal I/O, Channel 3, Port B 3 4 C0+ C0– I/O Signal I/O, Channel 0, Port C 7 8 C1+ C1– I/O Signal I/O, Channel 1, Port C 12 13 C2+ C2– I/O Signal I/O, Channel 2, Port C 16 17 C3+ C3− I/O Signal I/O, Channel 3, Port C 36 35 D0+ D0− I/O Signal I/O, Channel 0, Port D 32 31 D1+ D1− I/O Signal I/O, Channel 1, Port D 27 26 D2+ D2− I/O Signal I/O, Channel 2, Port D 23 22 D3+ D3− I/O Signal I/O, Channel 3, Port D 41 OE# I Output Enable, active low. When OE# = 0 the device I/O is enabled. When OE#=1, all I/O are high impedance 9 SEL I Operation mode Select (when SEL=0: A→B, C→D, when SEL=1: A→D, C→B) 18, 20, 30, 40, 42 VDD Pwr 3.3V ±10% Positive Supply Voltage 19, 21, 39, Center Pad GND Pwr Power ground 14-0088 |
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