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.
16 pin DIP integrated circuit BCD to decimal decoder used on many pinball machine circuit boards.
Reference:
Williams 5A-9012
SN7442N
N7442B
74LS42
XO-426