ATAN Technology, Inc. AT8989UP 9 port 10/100 Mb/s.
AT8989UP - 9 Port 10/100 Mb/s Single Chip Ethernet Switch Controller
ATAN Technology, Inc. AT8989UP 9 port 10/100 Mb/s Single Chip Ethernet Switch Controller Preliminary Data Sheet Revision 1.1 Feb 2002 Revision 1.1 9.