USB2534 datasheet(45/52 Pages) MICROCHIP

Teilenummer	USB2534

Bauteilbeschribung	USB 2.0 Hi-Speed 4-Port Hub Controller

PDF	52 Pages

Scroll/Zoom	100%

Hersteller	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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USB 2.0 Hi-Speed 4-Port Hub Controller

Datasheet

 2014 Microchip Technology Inc.

DS00001713A-page 45

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 level (Vopp) for the external

power supply is detailed in Section 9.2, "Operating Conditions**," on page 42.

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

Configuration Strap Timing," on page 46.

Figure 9.2 Power-On Configuration Strap Valid Timing

Table 9.4 Power-On Configuration Strap Valid Timing

SYMBOL

DESCRIPTION

MIN

TYP

MAX

UNITS

tcsh

Configuration strap hold after external power supply at

operational level

1ms

External Power

Supply

Vopp

Configuration

Straps

tcsh

USB2534 Datenblatt(PDF) 45 Page - Microchip Technology