AM79C974KCW AMD [Advanced Micro Devices], AM79C974KCW Datasheet - Page 100

• Manufacturer Part Number: AM79C974KCW
• Description: PCnetTM-SCSI Combination Ethernet and SCSI Controller for PCI Systems
• Manufacturer: AMD [Advanced Micro Devices]

KEY TO SWITCHING WAVEFORMS
AC SWITCHING TEST CIRCUITS
100
AMD
Sense Point
WAVEFORM
Normal and Three-State Outputs
P R E L I M I N A R Y
C
L
Am79C974
INPUTS
Must be
Steady
May
Change
from H to L
May
Change
from L to H
Don’t Care,
Any Change
Permitted
Does Not
Apply
I
I
OL
OH
OUTPUTS
Will be
Steady
Will be
Changing
from H to L
Will be
Changing
from L to H
Changing,
State
Unknown
Center
Line is High-
Impedance
“Off” State
18681A-37
V
THRESHOLD