lan9512 Standard Microsystems Corp., lan9512 Datasheet - Page 42

• Manufacturer Part Number: lan9512
• Description: Usb Hub With Integrated 10/100 Ethernet Controller
• Manufacturer: Standard Microsystems Corp.

Revision 1.0 (04-20-09)
4.5
4.5.1
4.5.2
AC Specifications
This section details the various AC timing specifications of the LAN9512.
Note: The USBDP and USBDM pin timing adheres to the USB 2.0 specification. Refer to the
Equivalent Test Load
Output timing specifications assume the 25pF equivalent test load illustrated in
Reset Timing
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.
Universal Serial Bus Revision 2.0 specification for detailed USB timing information.
OUTPUT
Figure 4.1 Output Equivalent Test Load
DATASHEET
42
USB Hub with Integrated 10/100 Ethernet Controller
25 pF
Figure 4.1
SMSC LAN9512
below.
Datasheet