am79c901a Advanced Micro Devices, am79c901a Datasheet - Page 84

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

AC CHARACTERISTICS (CONTINUED)
10BASE-T PMD
Note:
will turn internal Carrier Sense off.
84
No.
100
99
RX± pulses narrower than t
Symbol
t
PWKRD
t
TETD
TX±
RX±
Transmit End of Transmit Data
RX± Pulse Width Maintain/Turn Off
Threshold
V TSQ-
V TSQ+
Figure 18. 10 Mbps Transmit (TX±) Timing Diagram
Figure 19. 10 Mbps Receive (RX±) Timing Diagram
Parameter Description
PWDRD
(min) will maintain internal Carrier Sense on. RX± pulses wider than t
100
P R E L I M I N A R Y
100
Am79C901A
|V
IN
Test Conditions
| > |V
THS
100
| (Note 1)
99
Min
250
136
Max
375
200
PWKRD
22304B-42
22304B-43
Unit
ns
ns
(max)