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Subject:
From:
Leif Gregory <[log in to unmask]>
Reply To:
PCBUILD - PC Hardware discussion List <[log in to unmask]>
Date:
Thu, 23 Apr 1998 11:59:23 +0900
Content-Type:
text/plain
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text/plain (43 lines)
Brad,

On Tuesday, 21 April 98, at 8:03:09 PM you wrote:
_________________________ Begin Quoted Text _________________________

>> I thought this over(while mowing grass) and think
>> I understand it better
>> now. First, I read that the response time of a
>> chip is the time from
>> when the chip is signaled until the time that the
>> required voltages are
>> available on the chip's pins. Second, a 200MHZ cpu
>> can "put out" some
>> kind of signal every 5 nanoseconds.

>         No. With a 66 MHz mobo, the clock period is 16 ns; less
> with 75, 83, 100 MHz mobos.
>         Then comes the fact that any cycle requires several periods,
> there are wait states, etc.

>> Brad Britton
>>
_________________________  End Quoted Text  _________________________

Here are some of the more common MHz to ns cycle translations:

Clock    Cycle
25Mhz    40 ns
33Mhz    30 ns
50Mhz    20 ns
66Mhz    15 ns
100Mhz   10 ns
200Mhz    5 ns




Leif Gregory
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