USB4640 Standard Microsystems Corp., USB4640 Datasheet - Page 21

• Manufacturer Part Number: USB4640
• Description: High Speed Inter-chip Hsic Usb 2.0 Hub And Flash Media Controller
• Manufacturer: Standard Microsystems Corp.

High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i
6.2
I
I/O
IPU
IS
I/O6
I/OD6PU
O8
O8PD
O8PU
I/O8
I/O8PD
I/O8PU
O12
I/O12
I/O12PD
I/O200
ICLKx
OCLKx
I/O-U
I-R
BUFFER
Buffer Type Descriptions
Input.
Input/output.
Input with weak internal pull-up.
Input with Schmitt trigger.
Input/output buffer with 6 mA sink and 6 mA source.
Input/open drain output buffer with a 6 mA sink.
Output buffer with an 8 mA sink and an 8 mA source.
Output buffer with an 8 mA sink and an 8 mA source with a weak internal pull-down resistor.
Output buffer with an 8 mA sink and an 8 mA source with a weak internal pull-up resistor.
Input/output buffer with an 8 mA sink and an 8 mA source.
Input/output buffer with an 8 mA sink and an 8 mA source with a weak internal pull-down resistor.
Input/output buffer with an 8 mA sink and an 8 mA source with a weak internal pull-up resistor.
Output buffer with a 12 mA sink and a 12 mA source.
Input/output buffer with 12 mA sink and 12 mA source.
Input/output buffer with 12 mA sink and 12 mA source with a weak internal pull-down resistor.
Input/output buffer 12 mA with FET disabled, 100/200 mA source only when the FET is enabled.
XTAL clock input.
XTAL clock output.
Analog input/output as defined in the USB 2.0 Specification.
RBIAS.
Table 6.2 USB4640/USB4640i Buffer Type Descriptions
DATASHEET
21
DESCRIPTION
Revision 1.0 (06-09-09)