Help with IC identification

[Adrian Graham]

Hi folks,

I'm looking for info on a few 8 pin DIPs that are in a cache battery
module. They're marked thus:

4973 AK W79B
4965 AF W83A

Anyone? I've not traced pinouts yet but maybe someone else's google-fu is
better than mine today.

Cheers,

-- 
adrian/witchy
Owner of Binary Dinosaurs, the UK's biggest home computer collection?
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