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| 型號： | 21103 |
| 英文描述： | AMD-K6 Processor Family Thermal Solutions Application Note AMD-K6 Processor Power Supply Design Application Note |
| 中文描述： | 的AMD - K6處理器系列散熱解決方案應(yīng)用指南的AMD - K6處理器電源設(shè)計應(yīng)用指南 |
| 文件頁數(shù)： | 29/64頁 |
| 文件大?。?/td> | 1056K |
| 代理商： | 21103 |
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Decoupling and Layout Recommendations
19
21103G/0—February 1999
AMD-K6
Processor Power Supply Design
AMD used a Tektronix 684B scope with 6245 probes and an
HP54720 with 54701 probes. (There was no significant
difference between these two instruments.) The data was taken
over a 40-second window with the scope set to infinite
persistence. For a good starting point, use a horizontal sweep
rate of 500nsec per division and a vertical scale of 0.1V per
division. AMD made measurements while running Winstone
96
under the Windows
95 operating system, running DOS EDIT
pull down, and running Maxpwr99.exe while toggling
STPCLK#. The latter case created the worst-case current
transient in the measurements conducted by AMD. In addition,
this is the case that requires the maximum decoupling
capacitance.
Those regulators that AMD believes can meet the processor
requirements (with proper decoupling) are marked as tested in
the tables shown in “Voltage Regulator Vendor Information” on
page 53. The other listed regulators are expected to work, but
were not tested in time for the printing of this document.
Output Voltage
Response
Measurement Utility
AMD has developed a software utility to assist in designing
systems that comply with the processor power and thermal
requirements. This utility can verify that the supply voltage
remains stable during a transition to a higher power/current
consumption level.
This utility is DOS based. For systems based on the Windows 95
or Windows 98 operating system, re-boot in DOS mode or boot
from a bootable DOS floppy disk that contains the utility. For
systems based on the Windows NT
and OS/2 operating systems,
boot from a bootable DOS floppy disk that contains the utility.
The command line for this utility is as follows: (
Note:
Do not
execute the utility in a DOS window or with a memory manager
loaded.
)
c:\>Maxpwr99.exe
The Maxpwr99.exe utility is available under a nondisclosure
agreement. Contact your local AMD sales office for
information.
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