Part Number: STC90C (Pdip40plcc44pqfp44)Part Number: STC90C10 (Pdip40plcc44pqfp44)Part Number: STC90C10RC (Pdip40plcc44pqfp44)Part Number: STC90C13RC (Pdip40plcc44pqfp44)Part Number: STC90C13RC-40I-LQFP (Pdip40plcc44pqfp44)Part Number: STC90C51 (Pdip40plcc44pqfp44)Part Number: STC90C510 (Pdip40plcc44pqfp44)Part Number: STC90C51-40I-LQFP (Pdip40plcc44pqfp44)