LAN91C95 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LAN91C95

ISA/PCMCIA Full Duplex Single-Chip Ethernet and Modem Controller with RAM

SMSC -> Microchip 

PIN NO.

NAME

118 Bias Resistor

116 nExternal

ENDEC

13, 25,

37, 51,

62, 71,

80, 89,

104

1, 117,

120

19, 30,

44, 58,

67, 75,

84, 94,

112

8, 119,

127

Power

Analog

Power

Ground

Analog

Ground

DESCRIPTION OF PIN FUNCTIONS

SYMBOL

TYPE

DESCRIPTION

RBIAS

Analog Input A 39 kohm 1% resistor should be connected

between this pin and analog ground.

nXENDEC

I with pullup

When tied low the LAN91C95 is configured for

external ENDEC. When tied high or left open

the LAN91C95 will use its internal

encoder/decoder.

VDD

+5V power supply pins

AVDD

VSS

+5V analog power supply pins

Ground pins

AVSS

Analog ground pins

BUFFER TYPES

O4

O162

O24

OD16

OD24

I/O24

I

IS

Iclk

Output buffer with 2mA source and 4mA sink

Output buffer with 2mA source and 16mA sink

Output buffer with 12mA source and 24mA sink

Open drain buffer with 16mA sink

Open drain buffer with 24mA sink

Bidirectional buffer with 12mA source and 24mA sink

Input buffer with TTL levels

Input buffer with Schmitt Trigger Hysteresis

Clock input buffer

16

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