USB2502 SMSC Corporation, USB2502 Datasheet - Page 42

• Manufacturer Part Number: USB2502
• Description: 2-Port USB 2.0 Hub Controller
• Manufacturer: SMSC Corporation

Chapter 8 AC Specifications
Revision 2.1 (12-06-06)
8.1
8.1.1
8.1.2
8.1.3
Oscillator/Clock
Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ± 100ppm.
External Clock: 50% Duty cycle ± 10%, 24 MHz ± 100ppm, Jitter < 100 ps 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
42
2-Port USB 2.0 Hub Controller
Section
SMSC USB2502
5.3).
Datasheet