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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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USB2422/MJ Fiches technique(PDF) 45 Page - SMSC Corporation |
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USB2422/MJ Fiches technique(HTML) 45 Page - SMSC Corporation |
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45 / 51 page  2-Port USB 2.0 Hi-Speed Hub Controller Datasheet SMSC USB2422 45 Revision 1.0 (06-04-13) DATASHEET 6.2 External Clock 50% Duty cycle ± 10%, 24 MHz ± 350 ppm. The external clock is recommended to conform to the signaling level designated in the JESD76-2 specification on 1.2 V CMOS Logic. XTALOUT should be treated as a weak (< 1 mA) buffer output. 6.2.1 USB 2.0 The SMSC hub conforms to all voltage, power, and timing characteristics and specifications as set forth in the USB 2.0 Specification [1]. See the USB Specification for more information. 6.3 SMBus Interface The SMSC hub conforms to all voltage, power, and timing characteristics and specifications as set forth in the SMBus 1.0 Specification [2] for slave-only devices (except as noted in Section 4.3, "SMBus," on page 22). |
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