am79c850 Advanced Micro Devices, am79c850 Datasheet - Page 95

• Manufacturer Part Number: am79c850
• Description: Supernet-r 3
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS over COMMERCIAL operating ranges
PMD Interface Signal Timing
Note: : Not included in the production test.
250
251
252
253
254
No.
Parameter
Symbol
t
t
t
SK
R
t
t
F
S
H
TX+, TX–
Parameter Description
TX+, TX– Rise Time
TX+, TX– Fall Time
TX+ to TX– Skew
SDI Setup Time to LSCLK High
SDI Hold Time from LSCLK High
LSCLK
TX+
TX–
SDI
Figure 43. PMD Interface Signal Timings
253
250
V
OL
254
P R E L I M I N A R Y
SUPERNET 3
V
252
80%
20%
OH
Test Conditions
PECL Load
PECL Load
PECL Load
1
V
251
OL
Min
0.3
0.3
7
5
Max
200
3
3
19574A-44
AMD
Unit
ns
ns
ps
ns
ns
95