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LAN91C94 датащи(PDF) 14 Page - SMSC Corporation

номер детали LAN91C94
подробное описание детали  ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
PDF  120 Pages
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производитель  SMSC [SMSC Corporation]
домашняя страница  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN91C94 датащи(HTML) 14 Page - SMSC Corporation

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14
PIN NUMBER
QFP
VTQFP/
TQFP
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
92
90
nExternal
Endec
nXENDEC
I with
pullup
When tied low, the LAN91C94 is
configured for EXTERNAL ENDEC.
When tied high or left open, the
LAN91C94
uses
its
internal
encoder/decoder
13,21
40,50
61,100
11,19
48,59
98,38
VDD
+5V power supply pins
73,81
91
71,79
89
Analog
Power
AVDD
+5V analog power supply pins
2,8
18,24
31,56,6
6,94
100,6
16,22,
29,54,
64,92
Ground
GND
Ground pins
80,88
89
78,86
87
Analog
Ground
AGND
Analog ground pins
BUFFER SYMBOLS
O4
Output buffer with 2mA source and 4mA sink.
O162
Output buffer with 2mA source and 16mA sink.
O24
Output buffer with 12mA source and 24mA sink.
OD16
Open drain buffer with 16mA sink.
OD24
Open drain buffer with 24mA sink.
I/O24
Bidirectional buffer with 12mA source and 24mA sink.
I
Input buffer with TTL levels
IS
Input buffer with Schmitt Trigger Hysteresis
Iclk
Clock input buffer
DC levels and conditions defined in the DC Electrical Characteristics section.



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