LAN9116 Datasheet, PDF (102/109 Pages) SMSC Corporation – Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller

LAN9116
7.5 DC Electrical Specifications
TABLE 7-3: I/O BUFFER CHARACTERISTICS
Parameter
Symbol
MIN
TYP
I Type Input Buffer
Low Input Level
High Input Level
IS Type Input Buffer
Negative-Going Threshold
Positive-Going Threshold
Schmitt Trigger Hysteresis
(V_{IHT -} V_ILT)
O12 Type Buffer
Low Output Level
High Output Level
OD12 Type Buffer
Low Output Level
IO8 Type Buffer
Low Input Level
High Input Level
Low Output Level
High Output Level
OD8 Type Buffer
Low Output Level
O8 Type Buffer
Low Output Level
High Output Level
I_CLK Input Buffer
Low Input Level
High Input Level
V_ILI
V_IHI
V_ILT
V_IHT
V_HYS
-0.3
2.0
1.01
1.18
1.39
1.6
345
420
V_OL
V_OH
V_OL
V_ILI
V_IHI
V_OL
V_OH
V_OL
V_OL
V_OH
V_ILCK
V_IHCK
VDD - 0.4
-0.3
2.0
VDD - 0.4
VDD - 0.4
-0.3
1.4
MAX
0.8
5.5
1.35
1.8
485
0.4
0.4
0.8
5.5
0.4
0.4
0.4
0.5
3.6
Units
V
V
V
V
mV
Notes
Schmitt Trigger
Schmitt Trigger
V
I_OL = 12mA
V
I_OH = -12mA
V
I_OL = 12mA
V
V
V
I_OL = 8mA
V
I_OH = -8mA
V
I_OL = 8mA
V
I_OL = 8mA
V
I_OH = -8mA
V
V
TABLE 7-4: 100BASE-TX TRANSCEIVER CHARACTERISTICS
Parameter
Symbol MIN
TYP MAX
Units
Notes
Peak Differential Output Voltage
High
Peak Differential Output Voltage
Low
Signal Amplitude Symmetry
Signal Rise & Fall Time
Rise & Fall Time Symmetry
Duty Cycle Distortion
Overshoot & Undershoot
Jitter
V_PPH
V_PPL
V_SS
T_RF
T_RFS
D_CD
V_OS
950
-950
98
3.0
-
35
-
-
1050
mVpk
-
-1050 mVpk
-
102
%
-
5.0
nS
-
0.5
nS
50
65
%
-
5
%
1.4
nS
Note 7-7
Note 7-7
Note 7-7
Note 7-7
Note 7-7
Note 7-8
Note 7-9
Note 7-7
Note 7-8
Note 7-9
Measured at the line side of the transformer, line replaced by 100 (+/- 1%) resistor.
Offset from16 nS pulse width at 50% of pulse peak
Measured differentially.
DS00002268A-page 102
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