am79c989 Advanced Micro Devices, am79c989 Datasheet - Page 31
am79c989
Manufacturer Part Number
am79c989
Description
Quad Ethernet Switching Transceiver
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C989.pdf
(37 pages)
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Quantity
Price
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Manufacturer:
AMD
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KEY TO SWITCHING WAVEFORMS
WAVEFORM
P R E L I M I N A R Y
Am79C989
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
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
KS000010-PAL
31
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