LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 18
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LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9312-NU.pdf
(458 pages)
Specifications of LAN9312-NU
Number Of Primary Switch Ports
2
Operating Supply Voltage (typ)
3.3V
Fiber Support
No
Phy/transceiver Interface
MII
Power Supply Type
Analog
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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Revision 1.7 (06-29-10)
1.2
BUFFER TYPE
OCLK
OD12
ICLK
OD8
O12
AIO
AO
O8
PU
PD
IS
AI
P
Table 1.1
on page 26
Buffer Types
describes the pin buffer type notation used in
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 output
Analog bi-directional
Crystal oscillator input pin
Crystal oscillator output pin
Power pin
and throughout this document.
internal resistors to drive signals external to the LAN9312. When connected to a
load that must be pulled high, an external resistor must be added.
on internal resistors to drive signals external to the LAN9312. 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
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Table 1.1 Buffer Types
DATASHEET
18
DESCRIPTION
Chapter 3, "Pin Description and Configuration,"
SMSC LAN9312
Datasheet
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