lan7500 Standard Microsystems Corp., lan7500 Datasheet - Page 18

• Manufacturer Part Number: lan7500
• Description: Hi-speed Usb 2.0 To 10/100/1000 Ethernet Controller
• Manufacturer: Standard Microsystems Corp.

Revision 1.0 (11-01-10)
2.2
BUFFER TYPE
IS_5V
VOD6
VOD8
OCLK
ICLK
VO6
VO8
AIO
VIS
PU
PD
AI
P
Buffer Types
Variable voltage Schmitt-triggered Input
5V Tolerant Schmitt-triggered Input
Variable voltage output with 6mA sink and 6mA source
Variable voltage open-drain output with 6mA sink
Variable voltage output with 8mA sink and 8mA source
Variable voltage open-drain output with 8mA 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 LAN7500/LAN7500i. When
connected to a load that must be pulled high, an external resistor must be added.
on internal resistors to drive signals external to LAN7500/LAN7500i. 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
18
DESCRIPTION
Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
SMSC LAN7500/LAN7500i
Datasheet