LAN8810 Datasheet, PDF (63/83 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver

LAN8810/LAN8810I
5.4 DC Specifications
TABLE 5-7: I/O BUFFER CHARACTERISTICS
Parameter
VIS Type Input Buffer
Low Input Level
High Input Level
Negative-Going Threshold
Positive-Going Threshold
SchmittTrigger Hysteresis
(V_IHT - V_ILT)
Input Leakage
(V_IN = VSS or VDDVARIO)
Input Capacitance
VO6 Type Buffers
Low Output Level
High Output Level
VO8 Type Buffers
Low Output Level
High Output Level
ICLK Type Buffer
(XI Input)
Low Input Level
High Input Level
Symbol
V_ILI
V_IHI
V_ILT
V_IHT
V_HYS
I_IH
C_IN
V_OL
V_OH
V_OL
V_OH
V_ILI
V_IHI
Min
2.5V 3.3V
TYP typ
-0.3
0.64
1.15 1.41
0.81
1.29 1.65
102
136 138
-10
VDDVARIO
- 0.4
VDDVARIO
- 0.4
-0.3
1.4
Max
3.6
1.76
1.90
288
10
3
0.4
0.4
0.5
3.6
Units
Notes
V
V
V
Schmitt trigger
V
Schmitt trigger
mV
uA
Note 5-11
pF
V
I_OL = 6mA
V
I_OH = -6mA
V
I_OL = 8mA
V
I_OH = -8mA
Note 5-12
V
V
Note 5-11
Note 5-12
This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down and pull-up
resistors add +/- 50uA per-pin (typical).
XI can optionally be driven from a 25MHz single-ended clock oscillator.
TABLE 5-8: 1000BASE-T TRANSCEIVER CHARACTERISTICS
Parameter
Peak Differential Output Voltage
Signal Amplitude Symmetry
Signal Scaling
Output Droop
Transmission Distortion
Symbol Min
Typ
V_OP
V_SS
V_SC
V_OD
670
73.1
Note 5-13 IEEE 802.ab Test Mode 1
Max Units
Notes
820
mV
Note 5-7
1
%
Note 5-7
2
%
Note 5-8
%
Note 5-7
10
mV
Note 5-9
DS00001870B-page 63
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