FEAST Fast Ethernet Controller for PCMCIA and Generic 16-Bit Applications
144 TQFP
NAME
PIN NO.
5
nChip
Select
Output
4,20,33,43,5 Power
5,66,79,
87,96,111,13
3
144
Analog
Power
9,17,29,39,4 Ground
9,59,69,
76,90,99,
116,124,
130,136,
142
Analog
Ground
SYMBOL
nCSOUT
BUFFER
TYPE
O4
DESCRIPTION
Output. Chip Select provided for mapping of PHY
functions into LAN91C110 decoded space. Active
on accesses to LAN91C110’s eight lower
addresses when the BANK SELECTED is 7.
+5V power supply pins.
VDD
AVDD
GND
+5V analog power supply pins.
Ground pins.
AGND
Analog ground pin.
TABLE 2 - BUFFER TYPES
O4
O12
OD16
I/O4
I/O8
IS
I with pullup
I with pulldown
Output buffer with 2mA source and 4mA sink
Output buffer with 6mA source and 12mA sink
Open drain buffer with 16mA sink
Bidirectional buffer with 2mA source and 4mA sink
Bidirectional buffer with 4mA source and 8mA sink
Schmitt Trigger (Hysteresis: 250mV)
Rated at 30mA
Rated at 30mA
SMSC DS – LAN91C110 REV. B
Page 7
Rev. 09/05/02
SMSC [ SMSC CORPORATION ]
