LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 27
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
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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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
3.1.2
EECS/EEPROM_SIZE_0
EEDO/EEPROM_TYPE
EEPROM_SIZE_1
VDD18CORE
EECLK/EE_SCL/
VDD33BIAS
VDD18PLL
VDD18TX1
VDD18TX2
VDD33A1
VDD33A1
VDD33A2
VDD33A2
VDD33IO
EXRES
TEST2
TXN1
RXN1
RXP1
RXP2
RXN2
TXN2
TXP1
TXP2
VSS
VSS
VSS
VSS
NC
NC
XO
NC
XI
128-XVTQFP Pin Diagram
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Figure 3.2 LAN9312 128-XVTQFP Pin Assignments (TOP VIEW)
NOTE: EXPOSED PAD ON BOTTOM OF PACKAGE MUST BE CONNECTED TO GROUND
128-XVTQFP
DATASHEET
LAN9312
SMSC
TOP VIEW
27
VSS
Revision 1.7 (06-29-10)
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
VDD33IO
IRQ
PME
END_SEL
FIFO_SEL
nCS
nWR
nRD
NC
A2
VDD33IO
A3
A4
A5
A6
A7
VSS
A8
VDD33IO
A9
D0
D1
D2
D3
VDD18CORE
VDD33IO
D4
D5
D6
D7
D8
VDD33IO
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