LAN9730 Datasheet, PDF (47/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
Table 6.11 I/O Buffer Characteristics (continued)
PARAMETER
SYMBOL
MIN
TYP
ICLK Type Buffer (XI Input)
Low Input Level
V_ILI
High Input Level
V_IHI
-0.3
3.3 - 0.35
MAX
UNITS
0.35
V
3.3
V
NOTES
Note 6.6
Note 6.5
Note 6.6
This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down
and pull-up resistors add +/- 50 µA per-pin (typical).
XI can optionally be driven from a 25 MHz single-ended clock oscillator.
Table 6.12 100BASE-TX Transceiver Characteristics
PARAMETER
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
Overshoot and Undershoot
Jitter
SYMBOL
V_PPH
V_PPL
V_SS
T_RF
T_RFS
D_CD
V_OS
MIN
950
-950
98
3.0
-
35
-
TYP
MAX
-
1050
-
-1050
-
102
-
5.0
-
0.5
50
65
-
5
1.4
UNITS
mVpk
mVpk
%
ns
ns
%
%
ns
NOTES
Note 6.7
Note 6.7
Note 6.7
Note 6.7
Note 6.7
Note 6.8
Note 6.9
Note 6.7
Note 6.8
Note 6.9
Measured at line side of transformer, line replaced by 100 Ω (+/-1%) resistor.
Offset from 16 ns pulse width at 50% of pulse peak.
Measured differentially.
Table 6.13 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL MIN
Transmitter Peak Differential Output Voltage
V_OUT
2.2
Receiver Differential Squelch Threshold
V_DS
300
TYP
MAX UNITS NOTES
2.5
2.8
V
Note 6.10
420
585
mV
Note 6.10 Min/max voltages guaranteed as measured with 100 Ω resistive load.
SMSC LAN9730/LAN9730i
47
DATASHEET
Revision 1.1 (05-13-13)