LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 441

• Manufacturer Part Number: LAN9312-NU
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

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

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
15.4
IS Type Input Buffer
Low Input Level
High Input Level
Negative-Going Threshold
Positive-Going Threshold
SchmittTrigger Hysteresis
(V
Input Leakage
Input Capacitance
O8 Type Buffers
Low Output Level
High Output Level
OD8 Type Buffer
Low Output Level
O12 Type Buffer
Low Output Level
High Output Level
OD12 Type Buffer
Low Output Level
ICLK Type Buffer (XI Input)
Low Input Level
High Input Level
Peak Differential Output Voltage High
Peak Differential Output Voltage Low
Signal Amplitude Symmetry
Signal Rise and Fall Time
Rise and Fall Symmetry
Duty Cycle Distortion
IHT
- V
PARAMETER
ILT
)
Note 15.5 This specification applies to all IS type inputs and tri-stated bi-directional pins. Internal pull-
Note 15.6 XI can optionally be driven from a 25MHz single-ended clock oscillator.
DC Specifications
PARAMETER
down and pull-up resistors add +/- 50uA per-pin (typical).
Table 15.4 100BASE-TX Transceiver Characteristics
SYMBOL
V
V
V
V
V
V
V
V
V
V
V
V
C
V
I
HYS
IHT
IN
OH
OH
IHI
ILT
OL
OL
OL
OL
IHI
ILI
ILI
IN
Table 15.3 I/O Buffer Characteristics
VDD33IO - 0.4
VDD33IO - 0.4
1.01
1.39
MIN
-0.3
345
-0.3
SYMBOL
-10
1.4
DATASHEET
V
V
T
D
V
T
PPH
RFS
PPL
RF
CD
SS
441
TYP
1.18
420
1.6
-950
MIN
950
3.0
98
35
-
MAX
1.35
485
TYP
3.6
1.8
0.4
0.4
0.4
0.4
0.5
3.6
10
3
50
-
-
-
-
-
-1050
MAX
1050
UNITS
102
5.0
0.5
65
mV
uA
pF
V
V
V
V
V
V
V
V
V
V
V
V
UNITS
mVpk
mVpk
Revision 1.7 (06-29-10)
nS
nS
%
%
Schmitt trigger
Schmitt trigger
I
I
I
I
OH
I
OH
I
OL
OL
Note 15.5
Note 15.6
OL
OL
NOTES
= -12mA
= 12mA
= 12mA
= -8mA
= 8mA
= 8mA
Note 15.7
Note 15.7
Note 15.7
Note 15.7
Note 15.7
Note 15.8
NOTES