USB2503 datasheet(44/46 Pages) SMSC

Part #	USB2503

Description	USB 2.0 High-Speed 4-Port Hub Controller

PDF	46 Pages

Scroll/Zoom	100%

Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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44 / 46 page

USB 2.0 High-Speed 4-Port Hub Controller

Datasheet

Revision 1.92 (05-08-07)

SMSC USB2514

DATASHEET

Chapter 6 AC Specifications

6.1

Oscillator/Clock

Crystal: Parallel Resonant, Fundamental Mode, 24 MHz

±100ppm.

External Clock: 50% Duty cycle

± 10%, 24/48 MHz ± 100ppm, Jitter < 100ps rms.

6.1.1

SMBus Interface:

The SMSC Hub conforms to all voltage, power, and timing characteristics and specifications as set

forth in the SMBus 1.0 Specification for Slave-Only devices (except as noted in Section 4.4, "SMBus

Slave Interface").

6.1.2

I2C EEPROM:

Frequency is fixed at 58.6KHz

± 20%.

6.1.3

USB 2.0

The SMSC Hub conforms to all voltage, power, and timing characteristics and specifications as set

forth in the USB 2.0 Specification. Please refer to the USB 2.0 Specification for more information.

USB2503 Datasheet(PDF) 44 Page - SMSC Corporation