USB2514 Datasheet, PDF (44/46 Pages) SMSC Corporation – USB 2.0 High-Speed 4-Port Hub Controller

Chapter 6 AC Specifications
USB 2.0 High-Speed 4-Port Hub Controller
Datasheet
6.1
6.1.1
6.1.2
6.1.3
Oscillator/Clock
Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ±100ppm.
External Clock: 50% Duty cycle ± 10%, 24/48 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 Section 4.4, "SMBus
Slave Interface").
I2C EEPROM:
Frequency is fixed at 58.6KHz ± 20%.
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.
Revision 1.92 (05-08-07)
44
DATASHEET
SMSC USB2514