(China (Mainland))
Product Summary
The SMSC 4-Port Hub is low power, OEM configurable,MTT (multi transaction translator) hub controller IC with4 downstream ports for embedded USB solutions. The4-port hub is fully compliant with the USB 2.0Specification and will attach to an upstream port as aFull-Speed Hub or as a Full-/High-Speed Hub. The 4-Port Hub supports Low-Speed, Full- Speed, and High-Speed (if operating as a High-Speed Hub) downstreamdevices on all of the enabled downstream ports.
Parametrics
Maximum Guaranteed Ratings:
(1)Storage Temperature:-55℃ to 150℃; (2)Lead Temperature:325℃(Soldering < 10 seconds); (3)1.8V supply voltage:2.5V; (4)3.3V supply voltage:4.6V; (5)Voltage on any I/O pin:-0.5 to 5.5V; (6)Voltage on XTAL1:-0.5 to 4.0 V; (7)Voltage onXTAL2:-0.5 to 3.6 V
Features
Hub Controller IC with 4 downstream portsHigh-performance multiple transaction translator.MultiTRAK鈩?Technology Provides one transactiontranslator per portEnhanced OEM configuration options availablethrough either a single serial i2C EEPROM, orSMBus Slave Port36-pin (6x6mm) and 48-Pin (7x7mm) QFN lead-free,RoHS compliant ackagesFootprint compatible with USB2513 and USB2512(36-pin QFN) to provide designers with flexibilityregarding the quantity of USB expansion portsutilized without redesign.
Diagrams
<P><IMG border=0 src="http://www.seekic.com/uploadfile/ic-mfg/201271963650717.jpg"></P>
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