LAN9512i SMSC [SMSC Corporation], LAN9512i Datasheet - Page 42

• Manufacturer Part Number: LAN9512i
• Description: USB 2.0 Hub and 10/100 Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Revision 1.0 (11-24-09)
4.5
4.5.1
4.5.2
AC Specifications
This section details the various AC timing specifications of the LAN9512/LAN9512i.
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
25 pF
USB 2.0 Hub and 10/100 Ethernet Controller
SMSC LAN9512/LAN9512i
Figure 4.1
below.
Datasheet