High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX
Datasheet
Table 7.4 I/O Buffer Characteristics (continued)
PARAMETER
IO8 Type Buffer
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Low Input Level
High Input Level
Low Output Level
High Output Level
OD8 Type Buffer
Low Output Level
O8 Type Buffer
VILI
VIHI
VOL
VOH
-0.3
2.0
0.8
5.5
0.4
V
V
V
V
IOL = 8mA
VDD - 0.4
IOH = -8mA
VOL
0.4
0.4
V
IOL = 8mA
Low Output Level
High Output Level
ICLK Input Buffer
Low Input Level
High Input Level
VOL
VOH
V
V
IOL = 8mA
VDD - 0.4
IOH = -8mA
VILCK
VIHCK
0.5
V
V
1.4
Table 7.5 100BASE-TX Transceiver Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Peak Differential Output Voltage
High
VPPH
950
-
1050
mVpk
Note 7.3
Peak Differential Output Voltage
Low
VPPL
-950
-
-1050
mVpk
Note 7.3
Signal Amplitude Symmetry
Signal Rise & Fall Time
Rise & Fall Time Symmetry
Duty Cycle Distortion
Overshoot & Undershoot
Jitter
VSS
TRF
98
3.0
-
-
-
102
5.0
0.5
65
%
nS
nS
%
Note 7.3
Note 7.3
Note 7.3
Note 7.4
TRFS
DCD
VOS
-
35
-
50
-
5
%
1.4
nS
Note 7.5
Note 7.3 Measured at the line side of the transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 7.4 Offset from16 nS pulse width at 50% of pulse peak
Note 7.5 Measured differentially.
Revision 1.5 (07-18-06)
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