Integrated circuit 40 pin DIP 8 bit MPU with external clock
Used on many Williams/Bally/Data East MPU and Sound circuit boards
Reference:
#6809EP, #68B09EP, #MC6809EP, #MBL68B09EP
Williams/Bally #5400-10320-00, #5400-09490-00
Data East #960-5023-00
Taito #15-00002-001
#HD63B09P
