AM79C978AKCW データシートの表示（PDF） - Advanced Micro Devices
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AM79C978AKCW Datasheet PDF : 256 Pages
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PIN DESIGNATIONS
Listed By Driver Type
The following table describes the various types of output
drivers used in the Am79C978A controller. All IOL and
IOH values shown in the table apply to 3.3 V signaling.
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
CHARACTERISTICS section.
Driver Name
LED
O6
OD6
TS3
TS6
STS6
OMII1
OMII2
TSMII
Type
LED
Totem Pole
Open Drain
Tri-State
Tri-State
Sustained Tri-State
Tri-State
Tri-State
Tri-State
IOL (mA)
12
6
6
3
6
6
4
4
4
IOH (mA)
0.4
0.4
NA
2
2
2
4
4
4
Load (pF)
50
50
50
50
50
50
50
390
470
Am79C978A
19
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