USB2504 SMSC Corporation, USB2504 Datasheet - Page 45

• Manufacturer Part Number: USB2504
• Description: Integrated USB 2.0 Compatible 4-Port Hub
• Manufacturer: SMSC Corporation

Integrated USB 2.0 Compatible 4-Port Hub
Datasheet
Chapter 9 AC Specifications
SMSC USB2504/USB2504A
9.1
9.1.1
9.1.2
9.1.3
Oscillator/Clock
Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ±100ppm.
External Clock: 50% Duty cycle ± 10%, 24 MHz ± 100ppm, Jitter < 100ps rms.
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
I2C EEPROM:
Frequency is fixed at 59KHz ± 20%.
USB 2.0
The 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 Specification for more information.
DATASHEET
45
Section
Revision 2.1 (12-06-06)
5.3).