1 votes 1 votes Construct a BCD ripple counter using a 4-bit binary ripple counter that can be cleared asynchronously and an external NAND gate. Digital Logic digital-logic morris-mano sequential-circuit digital-counter ripple-counter-operation + – ajaysoni1924 asked Apr 6, 2019 ajaysoni1924 349 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.