[sdiy] IC ID?...

[harry]

MC14021BCP

CMOS 8 stage static shift register
Async Parallel or Sync Serial input
Serial output

H^) harry

Studio 271 Productions wrote:

> Since we're on the subject of identifying ICs, I thought I'd chip in
> (pun intended, but don't we have enough puns as it is?) with a few of
> my own that I need help with:
>
> UM9559F [16p] (Answering Machine)- Looked it up, saw stuff on sound
> generation, but no datasheet...
>
> MC14021BCP [16p] (Phone) - Dunno what...
>
> KIA494P [16p] (Comp. Power Supply) - PWM chip? Also have a GL494 from
> a phone, but can't see why a PWM would be needed in a PS...
>
> CXA1019S [30p small pin spacing] (Clock/Radio) - Know it is some kind
> of radio chip, but no datasheet...
>
> IR2425 [14p] (Unknown Source) - Have 3 of them, but have no clue what
> they are... Also says "Sharp 221c", but checked Sharp's site to no
> avail...
>
> 2061D [20p] (Unkown Source) - Got the board from someone's chemistry
> project at school, know nothing about it...
>
> Please help if you can, and if the message seems too ungrateful for
> the viewer's eyes, I'm very sorry... I just want some help... I was
> up till 2 in the morning last night desoldering about 40 ICs from
> boards I had in a drawer, and I'll probly spend the rest of the day
> getting the components off of these same boards so I can throw them
> away and get some space back in my work area (maybe I'll even use a
> fan this time, so my eyes will stop hurting from the rosin fumes);
> Plus I'll be repainting my desktop soon, So I need the thing
> organized... Busy, busy, busy...
>
> -271

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