Does TIMER IC 4020BP replace CD4020?

Yes, the TIMER IC 4020BP can replace the CD4020 in many applications since both are part of the CD4000 series of CMOS logic ICs and share similar functionalities. However, it's important to check the specific pin configurations and electrical characteristics to ensure compatibility with your circuit. Always refer to the datasheets for both components to confirm that they meet the requirements of your application.