Replace Space Invaders memory chips

Quattrohead

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Has anyone considered replacing the 16 memory chips with a single somewhat modern replacement ?
I have 3 boards with bad memory and it seems like a better idea to can them all and wire in a single chip.
 
modern replacement like ddr 3? I assume you mean some large static ram chip.
you might have to design some sort of memory interface.

While the board will be playable the value of the board would be lessen.

Maybe sending them out to be repaired is an option.
Or investing in a desoldering station might easy the pain of removing all those chips.
 
I was thinking about 6116 type chips, I think you would need 4 of them to replace the 16, but something else where a single chip will replace them all.
 
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