LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 443
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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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
15.5.2
Configuration
SYMBOL
Output Drive
t
t
t
t
odad
rstia
Strap Pins
csh
css
nRST
Reset and Configuration Strap Timing
This diagram illustrates the nRST pin timing requirements and its relation to the configuration strap
pins and output drive. Assertion of nRST is not a requirement. However, if used, it must be asserted
for the minimum period specified. Please refer to
information.
Note: Device configuration straps are latched as a result of nRST assertion. Refer to
nRST input assertion time
Configuration strap pins setup to nRST deassertion
Configuration strap pins hold after nRST deassertion
Output drive after deassertion
"Configuration Straps," on page 40
Table 15.6 nRST Reset Pin Timing Values
DESCRIPTION
Figure 15.2 nRST Reset Pin Timing
t
rstia
t
DATASHEET
css
443
for details.
t
csh
t
odad
Section 4.2, "Resets," on page 36
MIN
200
200
10
30
TYP
Revision 1.7 (06-29-10)
MAX
Section 4.2.4,
for additional
UNITS
μ S
nS
nS
nS
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