USB2534 datasheet(57/62 Pages) SMSC

部品番号	USB2534

部品情報	USB 2.0 Hi-Speed 4-Port Hub Controller

PDF	62 Pages

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メーカー	SMSC [SMSC Corporation]

ホームページ	http://www.smsc.com

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USB 2.0 Hi-Speed 4-Port Hub Controller

Datasheet

SMSC USB2534

Revision 1.0 (06-17-13)

DATASHEET

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 54.

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

Configuration Strap Timing," on page 58.

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 データシート(PDF) 57 Page - SMSC Corporation