LAN8710A Datasheet, PDF (69/82 Pages) SMSC Corporation – Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR^® Technology
Datasheet
Table 5.3 Variable I/O Buffer Characteristics
PARAMETER
1.8V 2.5V 3.3V
SYMBOL
MIN
TYP TYP TYP
MAX
VIS Type Input Buffer
Low Input Level
High Input Level
Neg-Going Threshold
Pos-Going Threshold
Schmitt Trigger
Hysteresis (V_IHT - V_ILT)
Input Leakage
(V_IN = VSS or VDDIO)
Input Capacitance
VO8 Type Buffers
V_ILI
V_IHI
V_ILT
V_IHT
V_HYS
I_IH
C_IN
-0.3
3.6
0.64
0.83 1.15 1.41
1.76
0.81
0.99 1.29 1.65
1.90
102
158 136 138
288
-10
10
2
Low Output Level
V_OL
0.4
High Output Level
VOD8 Type Buffer
V_OH
VDDIO - 0.4
Low Output Level
V_OL
0.4
UNITS
NOTES
V
V
V
Schmitt trigger
V
Schmitt trigger
mV
uA
Note 5.9
pF
V
I_OL = 8mA
V
I_OH = -8mA
V
I_OL = 8mA
Note 5.9 This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down
and pull-up resistors add +/- 50uA per-pin (typical).
Table 5.4 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 5.10
Note 5.10
Note 5.10
Note 5.10
Note 5.10
Note 5.11
Note 5.12
Note 5.10 Measured at line side of transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 5.11 Offset from 16nS pulse width at 50% of pulse peak.
Note 5.12 Measured differentially.
SMSC LAN8710A/LAN8710Ai
69
DATASHEET
Revision 1.4 (08-23-12)