uPD70108D 16-bit microprocessor by NEC. Package: 40-CERDIP Download NEC uPD70108 series datasheet: Status: NOS (New Old Stock) topside markings: D70108D ( no speed marking) Date code: 8515K9 In a ceramic package for embedding in industrial systems. ( speed presumed to be 10MHz ... TBC) RoHS compliant: no