SMC Networks SMC91C95

DESCRIPTION OF PIN FUNCTIONS

PIN NO. NAME SYMBOL TYPE DESCRIPTION

116 nExternal

ENDEC nXENDEC I with pullup When tied low the SMC91C95 is configured

for external ENDEC. When tied high or left

open the SMC91C95 will use its internal

encoder/decoder.

13, 25,

37, 51,

62, 71,

80, 89,

104

Power VDD +5V power supply pins

1, 117,

120 Analog

Power AVDD +5V analog power supply pins

19, 30,

44, 58,

67, 75,

84, 94,

112

Ground VSS Ground pins

8, 119,

127 Analog

Ground AVSS Analog ground pins

BUFFER TYPES

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

IInput buffer with TTL levels

IS Input buffer with Schmitt Trigger Hysteresis

Iclk Clock input buffer