AM79C973KCW Advanced Micro Devices, AM79C973KCW Datasheet - Page 27

• Manufacturer Part Number: AM79C973KCW
• Description: PCnet-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY
• Manufacturer: Advanced Micro Devices

PIN DESIGNATIONS
Listed By Driver Type
The following table describes the various types of out-
put drivers used in the Am79C973/Am79C975 control-
ler. All I
V signaling.
Name
LED
OMII1
OMII2
O6
OD6
STS6
TS3
TS6
TSMII
OL
and I
OH
values shown in the table apply to 3.3
Type
LED
Totem Pole
Totem Pole
Totem Pole
Open Drain
Sustained Tri-State
Tri-State
Tri-State
Tri-State
P R E L I M I N A R Y
Am79C973/Am79C975
A sustained tri-state signal is a low active signal that is
driven high for one clock period before it is left floating.
TX is a differential output driver. Its characteristics and
those of XTAL2 output are described in the DC Charac-
teristics section.
I
OL
(mA)
12
4
4
6
6
6
3
6
4
I
OH
(mA)
-0.4
-0.4
NA
-4
-4
-2
-2
-2
-4
Load (pF)
390
470
50
50
50
50
50
50
50
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