LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 18
LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
Manufacturer
SMSC
Type
Two Port Managed Ethernet Switchr
Datasheet
1.LAN9312-NZW.pdf
(458 pages)
Specifications of LAN9312-NU
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Switches
Number Of Transceivers
1
Standard Supported
802.3, 802.3u
Data Rate
10 Mbps, 100 Mbps
Supply Voltage (max)
3.3 V
Supply Voltage (min)
0 V
Supply Current (max)
185 mA, 295 mA
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS 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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