P87C750PBFFA UV eraseable microcontroller by Signetics. Package: windowed 24-pin CERDIP Download Philips P87C750PBFFA datasheet: Status: NOS (New Old Stock) Joker in the pack... as unlike the common OTP version, these can be UV wiped and re-programmed. Individually tested: YES - limited (*) RoHS compliant: no Note(*): Dataman-48LV used for memory check only.