am79c901a Advanced Micro Devices, am79c901a Datasheet - Page 68

• Manufacturer Part Number: am79c901a
• Description: Homephy Single-chip 1/10 Mbps Home Networking Phy
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS
Key to Switching Waveforms
SWITCHING TEST CIRCUITS
68
Sense Point
WAVEFORM
Figure 1. Normal and Tri-State Outputs
P R E L I M I N A R Y
C
L
Am79C901A
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
KS000010-PAL
V
THRESHOLD
22304B-25