USB2517-JZX Standard Microsystems (SMSC), USB2517-JZX Datasheet - Page 70

• Manufacturer Part Number: USB2517-JZX
• Description: USB HUB
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2517-JZX

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / RoHS Status: Compliant

Revision 1.1 (04-26-10)
10.2
10.3
10.3.1
10.3.2
10.3.3
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.
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
Slave Interface," on page
I
Clock frequency is fixed at 60 KHz ± 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.
Ceramic Resonator
External Clock
2
C EEPROM
Resonator
Ceramic
24 MHz
Figure 10.3 Ceramic Resonator Usage with SMSC IC
53.
DATASHEET
70
1 M
XTAL2
XTAL1
USB 2.0 Hi-Speed Hub Controller
Section 8.3, "SMBus
SMSC USB251x
Datasheet