[Test-Equipment] OT: Help identifying op amp?

[Glenn Little WB4UIV]

upc277c

It is an op amp.

Glenn

At 09:39 PM 7/22/2011, you wrote:
>DaveC wrote:
>
> > DIP-8, says:
> >      NEC
> >      C277C
> >      8909C
>
> > Can't find the exact datasheet, but I think it's an op amp.
>
> > Anybody know for sure?
>
> > It's in the switching side of a 3-phase 230 vac switching ps.
>
>    I have also searched for such NEC information for years, all 
> that I have ever found is the pin
>out in (instruction) books for Japanese equipment such as Sony tape 
>recorders, they are on pages in
>the front or the rear of the books in the devices or semiconductor 
>pages.  Additionally you can see
>examples of their use in the schematics of the equipment.
>--
>     Ron  KA4INM - Mistakes are often the stepping stones to utter failure.
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