I didn't mention quantities. I've got tubes full of these ic's but I haven't counted the quantites in each tube yet.

6550 1 tube
6540 9 tubes
6532 14 tubes
6525 5 tubes
6522 9 tubes
6504 3 tubes

So if anyone has a big project then get in touch.

Chris

Here is a list of some of the items I want to dispose of, I'm unsure whether they're worth anything (I'm open to offers) but I'd rather not bin them.

MPS6550
MPS6540 (0190479A) programmed ROM possibly for CBM64 but not sure.
MOS6532
MOS6525 A
MOS6522
MPS6504
They are 40pin plastic devices except ...

Hi folks, I have some tubes of genuine MOS ic's that have been stored away since the 1980's. Would anyone be interested in MPS6540's, MOS6525's, MOS6532's & MOS6522's ?

There are others but I haven't had time to sort through them yet. If nobody is interested they will have to be binned. Which I ...