[sdiy] FS weird chips... collectors ???
KA4HJH
ka4hjh at gte.net
Sun Feb 27 09:45:21 CET 2005
At 3:08 AM -0500 2/27/05, KA4HJH wrote:
>>I have two Beckman 7556CU chips. They are hybrid with ceramic
>>cover and ceramic substrate. 36 pin x .6" DIL
>>
>>ANY SUGGESTIONS that this might be a 'cmos dual timer' will be
>>promptly ignored, after flaming !!! :^P
>
>Obviously they were manufactured on 1975, 66th week. Which of course would
>be the same as 1976, 14th week.
Sorry, bad eyesight. Kill me. Make that 56th week, etc.
--
Terry Bowman, KA4HJH
"The Mac Doctor"
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