USB2524 datasheet(55/57 Pages) SMSC

номер детали	USB2524

подробное описание детали	USB MultiSwitchTM Hub

PDF	57 Pages

Scroll/Zoom	100%

производитель	SMSC [SMSC Corporation]

домашняя страница	http://www.smsc.com

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55 / 57 page

USB MultiSwitchTM Hub

Datasheet

SMSC USB2524

Revision 1.91 (08-22-07)

DATASHEET

Note 11.1

Output leakage is measured with the current pins in high impedance.

Note 11.2

See USB 2.0 Specification for USB DC electrical characteristics.

Note 11.3

RBIAS is a 3.3V tolerant analog pin.

CAPACITANCE TA = 25°C; fc = 1MHz; VDDIO = 3.3V

Power Sequencing

There are no power supply sequence restrictions for the Hub. The order in which power supplies

power-up and power-down is implementation dependent.

Supply Current

Configured

(2 upstream Full-Speed

Hosts)

1 Port

2 Ports

3 Ports

4 Ports

IFCC1

IFCC2

IFCC3

IFCC4

182

Total from all supplies

Supply Current

Suspend

ICSBY

272

μA

Total from all supplies.

Supply Current

Reset

ICRST

μA

Total from all supplies.

LIMITS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

TEST CONDITION

Clock Input

Capacitance

CIN

All pins except USB pins (and pins under

test tied to AC ground)

Input Capacitance

CIN

8pF

Output Capacitance

COUT

Table 11.1 DC Electrical Characteristics (continued)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

COMMENTS

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