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LAN9220 Datasheet(PDF) 132 Page - Microchip Technology

Part # LAN9220
Description  16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
PDF  142 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9220 Datasheet(HTML) 132 Page - Microchip Technology

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LAN9220
DS00002417A-page 132
 2006-2017 Microchip Technology Inc.
Note 7-7
This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down and pull-up
resistors add +/- 50uA per-pin (typical). When operating at reduced VDDVARIO voltage levels (less
than 3.0V), do not rely on internal pull-up and pull-down resistors to determine signal state. Refer to
the individual signal descriptions in Section 2.0, "Pin Description and Configuration" for more
information.
Note 7-8
This is the total VIN input leakage for the entire device. This value should be divided by the number
of pins driven to VIN MAX to calculate per-pin leakage. For example, if 10 pins are driven to the
maximum operational limit for VIN (5.5V or 5.25V, dependent on VDDVARIO), the per-pin input
leakage is the maximum input leakage current divided by 10.
TABLE 7-8:
I/O BUFFER CHARACTERISTICS VDDVARIO=1.8V +/- 10%
Parameter
Symbol
MIN
TYP
MAX
Units
Notes
VIS Type Input Buffer
Low Input Level
VILI
-0.3
V
High Input Level
VIHI
5.25
V
Negative-Going Threshold
VILT
0.54
0.69
0.83
V
Schmitt Trigger
Positive-Going Threshold
VIHT
0.878
1.06
1.24
V
Schmitt Trigger
Schmitt Trigger Hysteresis
(VIHT - VILT)
VHYS
277
368
525
mV
Input Leakage
(VIN = VSS or VDDVARIO)
IIH
-10
+10
uA
Note 7-7
Input Leakage
(VIN = 5.25V)
IIH
120
uA
Note 7-7, Note 7-8
Input Capacitance
CIN
2.5
pF
VO12 Type Buffer
Low Output Level
VOL
0.4
V
IOL = 4mA
High Output Level
VOH
VDDVARIO - 0.4
VIOH = -4mA
VOD12 Type Buffer
Low Output Level
VOL
0.4
V
IOL = 4mA
VOD8 Type Buffer
Low Output Level
VOL
0.4
V
IOL = 3mA
VO8 Type Buffer
Low Output Level
VOL
0.4
V
IOL = 3mA
High Output Level
VOH
VDDVARIO - 0.4
VIOH = -3mA
ICLK Input Buffer
Low Input Level
VILCK
-0.3
0.5
V
High Input Level
VIHCK
1.4
3.6
V



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