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ISP1122AD

NXP
Part Number ISP1122AD
Manufacturer NXP
Description Universal Serial Bus stand-alone hub
Published Apr 5, 2005
Detailed Description ISP1122A Universal Serial Bus stand-alone hub Rev. 01 — 27 March 2000 Preliminary specification 1. General description T...
Datasheet PDF File ISP1122AD PDF File

ISP1122AD
ISP1122AD

Overview
ISP1122A Universal Serial Bus stand-alone hub Rev.
01 — 27 March 2000 Preliminary specification 1.
General description The ISP1122A is a stand-alone Universal Serial Bus (USB) hub device which complies with USB Specification Rev.
1.
1.
It integrates a Serial Interface Engine (SIE), hub repeater, hub controller, USB data transceivers and a 3.
3 V voltage regulator.
It has a configurable number of downstream ports, ranging from 2 to 5.
The ISP1122A can be bus-powered, self-powered or hybrid-powered.
When it is hybrid-powered the hub functions are powered by the upstream power supply (VBUS), but the downstream ports are powered by an external 5 Volt supply.
The low power consumption in ‘suspend’ mo...


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