lan9512 Standard Microsystems Corp., lan9512 Datasheet - Page 19

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

USB Hub with Integrated 10/100 Ethernet Controller
Datasheet
SMSC LAN9512
2.2
BUFFER TYPE
IS_5V
OCLK
OD12
ICLK
OD8
O12
AIO
PU
PD
O8
IS
AI
P
Buffer Types
Schmitt-triggered Input
5V Tolerant Schmitt-triggered Input
Output with 8mA sink and 8mA source
Open-drain output with 8mA sink
Output with 12mA sink and 12mA source
Open-drain output with 12mA sink
50uA (typical) internal pull-up. Unless otherwise noted in the pin description, internal pull-
ups are always enabled.
Note:
50uA (typical) internal pull-down. Unless otherwise noted in the pin description, internal
pull-downs are always enabled.
Note:
Analog input
Analog bi-directional
Crystal oscillator input pin
Crystal oscillator output pin
Power pin
internal resistors to drive signals external to LAN9512. When connected to a load
that must be pulled high, an external resistor must be added.
on internal resistors to drive signals external to LAN9512. When connected to a
load that must be pulled low, an external resistor must be added.
Internal pull-up resistors prevent unconnected inputs from floating. Do not rely on
Internal pull-down resistors prevent unconnected inputs from floating. Do not rely
Table 2.9 Buffer Types
DATASHEET
19
DESCRIPTION
Revision 1.0 (04-20-09)