USB2504 SMSC Corporation, USB2504 Datasheet - Page 15

• Manufacturer Part Number: USB2504
• Description: Integrated USB 2.0 Compatible 4-Port Hub
• Manufacturer: SMSC Corporation

Integrated USB 2.0 Compatible 4-Port Hub
Datasheet
SMSC USB2504/USB2504A
BUFFER
IOSD12
OCLKx
ICLKx
I/O12
IO-U
O12
IPD
IPU
AIO
I-R
IS
I
Input.
Input, with a weak Internal pull-down.
Input, with a weak Internal pull-up.
Input with Schmitt trigger.
Output 12mA.
Input/Output, 12mA
Open drain….12mA sink with Schmitt trigger, and must meet I2C-Bus Specification Version 2.1
requirements.
XTAL Clock Input
XTAL Clock Output
RBIAS
Defined in USB Specification.
Note: Meets USB 1.1 requirements when operating as a 1.1-compliant device and meets USB
2.0 requirements when operating as a 2.0-compliant device.
Analog Input/output. Per PHY test requirements.
Table 4.5 Buffer Type Descriptions
DATASHEET
15
DESCRIPTION
Revision 2.1 (12-06-06)