CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
R6503AP Integrated Circuit 28 pin DIP package is a 2 MHz microprocessor.
Used in GottliebĀ® System 80 sound boards and others.
Reference:
R6503AP
R6503A
SY6503
XO357