USB2412-DZK Standard Microsystems (SMSC), USB2412-DZK Datasheet - Page 22

• Manufacturer Part Number: USB2412-DZK
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2412-DZK

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Revision 1.0 (02-12-10)
6.2
6.3
6.3.1
24 MHz ± 350 ppm
50% Duty cycle ± 10%, 24 MHz ± 350 ppm, Jitter < 100 ps rms.
The external clock is recommended to conform to the signaling level designated in the JESD76-2
specification on 1.8 V CMOS Logic. XTALOUT should be treated as a no connect.
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.
Ceramic Resonator
External Clock
Resonator
Ceramic
24 MHz
Figure 6.3 Ceramic Resonator Usage with SMSC IC
DATASHEET
22
1 M
2-Port USB 2.0 Hi-Speed Hub Controller
XTAL2
XTAL1
SMSC USB2412
Datasheet