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): 79/97頁
文件大?。?/td> 358K
代理商: AM79C850KCW
P R E L I M I N A R Y
AMD
79
SUPERNET 3
SWITCHING CHARACTERISTICS over COMMERCIAL operating ranges
Clocks
Parameter
Symbol
No.
Parameter Description
Min
Max
Unit
1
t
PER
LSCLK Period
40
40
ns
2
t
PWH
LSCLK High Pulse Width
18
22
ns
3
t
PWL
LSCLK Low Pulse Width
18
22
ns
4
t
PER
BCLK Period
80
80
ns
5
t
PWH
BCLK High Pulse Width
35
45
ns
6
t
PWL
BCLK Low Pulse Width
35
45
ns
7
t
PER
BMCLK Period (BMCLK tied to BCLK)
80
80
ns
8
t
PWH
BMCLK High Pulse Width (BMCLK tied to BCLK)
35
45
ns
9
t
PWL
BMCLK Low Pulse Width (BMCLK tied to BCLK)
35
45
ns
10
t
PER
BMCLK Period (BMCLK tied to LSCLK)
40
40
ns
11
t
PWH
BMCLK High Pulse Width (BMCLK tied to LSCLK)
18
22
ns
12
t
PWL
BMCLK Low Pulse Width (BMCLK tied to LSCLK)
18
22
ns
13
t
SK
BMCLK to BCLK Skew (BMCLK tied to BCLK)
0
0
ns
14
t
SK
BMCLK to LSCLK Skew (BMCLK tied to LSCLK)
0
0
ns
15
t
SK
LSCLK to BCLK Skew
0
10
ns
SWITCHING WAVEFORMS
BCLK
19574A-29
4
5
LSCLK
BMCLK
(BMCLK tied
to BCLK)
10
11
12
1
2
3
BMCLK
(BMCLK tied
to LSCLK)
15
6
13
7
8
9
14
Figure 28. Clock Timings
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