參數(shù)資料
型號: AM79C850KCW
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: SUPERNET-R 3
中文描述: 1 CHANNEL(S), 100M bps, FDDI CONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁數(shù): 95/97頁
文件大?。?/td> 358K
代理商: AM79C850KCW
P R E L I M I N A R Y
AMD
95
SUPERNET 3
SWITCHING CHARACTERISTICS over COMMERCIAL operating ranges
PMD Interface Signal Timing
Parameter
Symbol
No.
Parameter Description
Test Conditions
Min
Max
Unit
250
t
R
=
TX+, TX– Rise Time
PECL Load
0.3
3
ns
251
t
F
=
TX+, TX– Fall Time
PECL Load
0.3
3
ns
252
t
SK
=
TX+ to TX– Skew
PECL Load
±
200
ps
253
t
S
SDI Setup Time to LSCLK High
7
ns
254
t
H
SDI Hold Time from LSCLK High
5
ns
Note:
=
:
Not included in the production test.
TX+, TX–
TX–
19574A-44
SDI
254
LSCLK
TX+
251
80%
20%
V
OL
V
OL
252
1
253
V
OH
250
Figure 43. PMD Interface Signal Timings
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