SMSC USB 2.0 Hub Controller USB2514i دليل المستخدم

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USB251x Family
High-Performance, Low-Power, Small Footprint USB 2.0 Hub Controller Family for
PC, Embedded and Consumer Applications
SMSC’s USB251x is a family of versatile, cost-effective and power-efficient USB 2.0 hub
controllers. Leveraging SMSC’s innovative MultiTRAK™ technology that delivers industry-
leading data throughput in mixed-speed USB environments, the USB251x family is designed
for applications that demand low power and a small footprint without compromising on
performance.

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Single-TT Hub Multi-TT Hub SMSC MultiTRAK™ Technology 700 600 MultiTRAK utilizes a dedicated TT per port to maintain consistent Full-Speed 500 data throughput regardless of the number of active downstream connections. 400 MultiTRAK outperforms conventional USB 2.0 hubs with a single TT in USB 300 Full-Speed data transfers by up to 100%*, effectively doubling the amount 200 of data throughput for every downstream port. 100 0 1 2 3