2732 chips have many variants, but all variants are 4K memory. 2732 chips are not unique, rare or outrageously priced. Possibly source an alternative 2732 chip that the TL866II programmer is happy with?
https://www.ebay.com/p/1318307071?iid=312641056998
https://www.ebay.com/itm/25510190793...QAAOSwsO9hIEY-
dave w
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