I'm trying to design the circuit for a timer that counts down from 60-0. I'm using two 40110s connected to two seven segment displays. I plan on using a 555 timer to generate 1Hz pulse to count as my seconds. I'm unsure of how to use the 40110s correctly. I read the datasheet, but I'm unclear on how they function in terms of the inputs (toggle, latch, borrow, carry, etc). I need to count down and set off a "sound" at zero, and then reset. Any help would be much appreciated!
I don't need to use the 40110s if there's a better way to do this.
I don't need to use the 40110s if there's a better way to do this.