Philips house numbers of microprocessors and microcontrollers

The list of Philips house numbers was compiled based on markings on double-marked chips, i.e. chips marked with a house number and actual part number. If you have additional information or corrections to the part numbers on this page, or if you have information about non-listed part numbers, please post a comment.

Philips house number	Part number
03653-01WP	PCB80C51BHWP
612306-3	Mostek MK3870/20 MK14680N
612310-3	Mostek 3870/20 MK18106N
612313-2	Mostek MK3870/20 MK14681N
612319-1	Mostek MK3870/20 MK14725N
612348-1	Hitachi HD6805S1P
612552-0001	Hitachi HD6301V1P
612584-0004	Hitachi HD6305Y1F
612715-1	Siemens SAB80513-P
612674-0003	OKI M83C154-256 MCU?
613155-0001	Philips P83C654FBP/100 518470