Hello Folks. I am new here. This is my firt time. I am currently in college and need to make a 0-999 counter using three 7490 decade counters. Can anyone please assist me with the schematics.
I would really appreciate this.
Hi, Its really easy to do this project if youre not TOO lazy and have looked at the datasheet for the 'ls90. HINT - use a BCD decoder chip like the 74ls47. Both datasheets are easy to follow - its almost like cheating!! HINT #2, theres a very similar project (2 digit counter) already posted in this forum.