eprom equivalent

[maaxxyy]

Hi guys and gals, i,m having some trouble identifying some eproms on a ecu. Eprom numbers -
LM2904
272A1
Does anybody know what the equivalent for these are? Thanks

[bram380]

Hi guys and gals, i,m having some trouble identifying some eproms on a ecu. Eprom numbers -
LM2904
272A1
Does anybody know what the equivalent for these are? Thanks

LM2904 isn't EEPROM device, but Operational Amplifier (Op-Amp).
LM2904 similiar with LM2902.

Data sheet: