am79c850 Advanced Micro Devices, am79c850 Datasheet - Page 79

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

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