USB2251-NU-05 Standard Microsystems (SMSC), USB2251-NU-05 Datasheet - Page 37

• Manufacturer Part Number: USB2251-NU-05
• Description: ULTRA FAST USB 2.0 MULTI-SLOT FLASH MEDI
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2251-NU-05

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
SMSC USB2250/50i/51/51i
9.2
9.3
24 MHz ± 350 ppm
50% Duty cycle ± 10%, 24/48 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. XTAL2 should be treated as a no connect.
Ceramic Resonator
External Clock
Resonator
Ceramic
24 MHz
Figure 9.3 Ceramic Resonator Usage with SMSC IC
DATASHEET
37
1 M
XTAL1
XTAL2
Revision 2.0 (09-29-09)