datasheets for 82S21 - Signetics 32x2 SRAM?

[Tony Duell]

> 
> woodelf wrote:
> 
> > Ummm what about a 7480  :)

[...]

> I found the SN7485 and SN7486 but no SN7480 (or
> at least no datasheet). 
> 
> Is it used in anything I'm likely to care about?

Well, it's obscrue enough that I had to look it up, and I've worked on 
many TTL-based devices. I don't think I've ever seen one.

> 
> Is there a datasheet for it on the web?

Dunno. If anyone needs it, I do have the datasheet, and would find some 
way to get the information to you if you were trying to repair a classic 
computer or something like that.

-tony