USB2640I Standard Microsystems Corp., USB2640I Datasheet - Page 23

• Manufacturer Part Number: USB2640I
• Description: Industrial Temperature Usb 2.0 Flash Media Controller And Usb Hub Combo
• Manufacturer: Standard Microsystems Corp.

Industrial Temperature USB 2.0 Flash Media Controller and USB Hub Combo
SMSC USB2640i/USB2641i
6.2
I
IPU
IS
I/O12
I/O200
I/O12PD
I/O12PU
I/OD12PU
O12
O12PD
O12PU
ICLKx
OCLKx
I/O-U
I-R
BUFFER
Buffer Type Descriptions
Input.
Input, weak internal pull-up.
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.
Open drain, 12 mA sink with pull-up. Input with Schmitt trigger.
Input/open drain output buffer with a 12 mA sink.
Output buffer with a 12 mA sink and a 12 mA source.
Output buffer with 12 mA sink and 12 mA source, with a pull-down resistor.
Output buffer with 12 mA sink and 12 mA source, with a pull-up resistor.
XTAL clock input.
XTAL clock output.
Analog input/output defined in USB specification.
RBIAS.
Table 6.2 USB2640i/USB2641i Buffer Type Descriptions
DATASHEET
23
DESCRIPTION
Revision 2.0 (10-03-08)