SMSC USB2524 - Manual (Page 56)

USB MultiSwitch
TM
Hub
Datasheet
Revision 1.91 (08-22-07) 56 SMSC USB2524
DATASHEET
Chapter 12 AC Specifications
12.1 Oscillator/Clock
Crystal: Parallel Resonant, Fundamental Mode, 24 MHz
±100ppm.
External Clock: 50% Duty cycle
± 10%, 24 MHz ± 100ppm, Jitter < 100ps rms.
12.1.1 SMBus Interface:
The SMSC Switching 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 7.3,
"SMBus Slave Interface" ).
12.1.2 I2C EEPROM:
Frequency is fixed at 58.6 KHz
± 20%.
12.1.3 USB 2.0
The Hub conforms to all voltage, power, and timing characteristics and specifications as set forth in
the USB 2.0 Specification which is available at the
www.usb.org web site. Please refer to the USB
Specification for more information.