USB2251-NU-05 Standard Microsystems (SMSC), USB2251-NU-05 Datasheet - Page 20

• 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

Revision 2.0 (09-29-09)
6.2
I
IPU
IPD
IS
I/O12
I/O200
I/O12PD
I/O12PU
O12
O12PU
O12PD
ICLKx
OCLKx
I/O-U
I-R
BUFFER
Buffer Type Descriptions
Input.
Input with internal weak pull-up resistor.
Input with internal weak pull-down resistor.
Input with Schmitt trigger.
Input/Output buffer with 12 mA sink and 12 mA source.
Input/Output buffer 12 mA with FET disabled, 100/200 mA source only when the FET
is enabled.
Input/Output buffer with 12 mA sink and 12 mA source with an internal weak pull-down
resistor.
Input/Output buffer with 12 mA sink and 12 mA source with a pull-up resistor.
Output buffer with 12 mA source.
Output buffer with 12 mA sink and 12 mA source, with a pull-up resistor.
Output buffer with 12 mA sink and 12 mA source, with a pull-down resistor.
XTAL clock input.
XTAL clock output.
Analog Input/Output as defined in the USB 2.0 Specification.
RBIAS.
Table 6.2 Buffer Type Descriptions
DATASHEET
20
DESCRIPTION
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
SMSC USB2250/50i/51/51i
Datasheet