USB3813 datasheet(49/57 Pages) MICROCHIP

Teilenummer	USB3813

Bauteilbeschribung	USB 2.0 Hi-Speed 3-Port Hub Controller

PDF	57 Pages

Scroll/Zoom	100%

Hersteller	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

Datasheet

 2014 Microchip Technology Inc.

DS00001715A-page 49

9.5

AC Specifications

This section details the various AC timing specifications of the device.

9.5.1

Power-On Configuration Strap Valid Timing

Figure 9.2 illustrates the configuration strap timing requirements, in relation to power-on, for

applications where RESET_N is not used at power-on. The operational levels (Vopp) for the external

power supplies are detailed in Section 9.2, "Operating Conditions**," on page 45.

Note: For RESET_N configuration strap timing requirements, refer to Section 9.5.2, "Reset and

Configuration Strap Timing," on page 50.

Figure 9.2 Power-On Configuration Strap Valid Timing

Table 9.5 Power-On Configuration Strap Valid Timing

SYMBOL

DESCRIPTION

MIN

TYP

MAX

UNITS

tcsh

Configuration strap hold after external power supplies at

operational levels

1ms

All External

Power Supplies

Vopp

Configuration

Straps

tcsh

USB3813 Datenblatt(PDF) 49 Page - Microchip Technology