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XR22417

Exar
Part Number XR22417
Manufacturer Exar
Description USB 2.0 7-Port Hub
Published Sep 1, 2018
Detailed Description XR22417 USB 2.0 7-Port Hub Description The XR22417 is a USB 2.0 7-port hub using Multiple Transaction Translators (MTT)...
Datasheet PDF File XR22417 PDF File

XR22417
XR22417


Overview
XR22417 USB 2.
0 7-Port Hub Description The XR22417 is a USB 2.
0 7-port hub using Multiple Transaction Translators (MTT) for highest possible bandwidth capability.
The upstream USB interface has an integrated USB 2.
0 PHY and device controller that is compliant with both hi-speed (480 Mbps) and full-speed (12 Mbps).
The downstream PHY supports hi-speed, full-speed and low-speed (1.
5 Mbps) on each of the 7 downstream ports.
Individual port activity and overall hub activity indicators provide status outputs to control external LEDs for each port.
An external EEPROM may be used with the XR22417 to change selected USB descriptors including the USB vendor and product IDs, the number of downstream ports and device serial number.
Overcurrent protection and power control for each downstream port is available in the LQFP-64 package.
The XR22417 operates from a single 5V power input.
Internal regulators provide a 3.
3V output which may be connected to VCC33 power input pins.
In turn a second inter...


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