w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 156

• Manufacturer Part Number: w83c554f
• Description: System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
• Manufacturer: Winbond Electronics Corp America

W83C554F
Note 1:
Note 2:
Note 3:
WINBOND ELECTRONICS CORP. AMERICA
Pin Name
IOR#
IOW#
SMEMR#
SMEMW#
SBHE#
M16#
IOCHRDY
BALE
AEN
TC
DAK[2:0]
PMACT#/ISARST
SD[15:0]
SECURITY/XDR#
XOE#
XCS0/ROMCS
XCS1/X8XCS
INT
NMI
INIT
SPKR
IGNNE#/HRESET#
The driving capacity of these I/O cells is based on PCI specification
This is the clock output buffer.
At this current, V
140
139
138
137
174
175
135
168
136
166
194, 192, 195
5
208-204, 202, 199, 197, 123,
125, 126, 128-131, 133
116
117
119
118
10
11
3
134
4
OLmax
Pin #
<= 0.4V, V
OHmin
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
>= 3.0V
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
I/O
Output Cur.
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
16 mA
24 mA
24 mA
24 mA
24 mA
24 mA
24 mA
4 mA
4 mA
4 mA
6 mA
Note
Appendix A
154