USB2251-NU-05 Standard Microsystems (SMSC), USB2251-NU-05 Datasheet - Page 5

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USB2251-NU-05

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

Specifications of USB2251-NU-05

Lead Free Status / RoHS Status
Supplier Unconfirmed

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
USB2251-NU-05
Manufacturer:
Standard
Quantity:
250
Part Number:
USB2251-NU-05
Manufacturer:
SMSC
Quantity:
20 000
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
List of Figures
Figure 3.1 128-Pin VTQFP Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4.1 USB2250/50i/51/51i Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 7.2 128-Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 8.1 nRESET Timing for EEPROM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 9.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 9.2 Capacitance Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 9.3 Ceramic Resonator Usage with SMSC IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 10.1 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 12.1 128-Pin VTQFP, 14x14x1.0 mm Body, 2.0 mm Pitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
SMSC USB2250/50i/51/51i
5
Revision 2.0 (09-29-09)
DATASHEET

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