Buffer Types - SMC Networks SMC91C95 Product Manual

PIN NO. NAME
116 nExternal
ENDEC
13, 25, Power
37, 51,
62, 71,
80, 89,
104
1, 117, Analog
120 Power
19, 30, Ground
44, 58,
67, 75,
84, 94,
112
8, 119, Analog
127 Ground
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
DESCRIPTION OF PIN FUNCTIONS
SYMBOL TYPE
nXENDEC I with pullup
VDD
AVDD
VSS
AVSS

BUFFER TYPES

17
DESCRIPTION
When tied low the SMC91C95 is configured
for external ENDEC. When tied high or left
open the SMC91C95 will use its internal
encoder/decoder.
+5V power supply pins
+5V analog power supply pins
Ground pins
Analog ground pins