SMSC LAN9514 Manual Do Utilizador

USB Hub with Integrated 10/100 Ethernet Controller 

SMSC LAN9514

43

Revision 1.0 (04-20-09)

 

This section details the various AC timing specifications of the LAN9514.

Note: The USBDP and USBDM pin timing adheres to the USB 2.0 specification. Refer to the

Universal Serial Bus Revision 2.0 specification for detailed USB timing information.

Output timing specifications assume the 25pF equivalent test load illustrated in 

 below.

The nRESET pin input assertion time must be a minimum of 1 

μS. Assertion of nRESET is not a

requirement. However, if used, it must be asserted for the minimum period specified.

25 pF

OUTPUT