Thread Starter dhruv.engr Joined Feb 11, 2020 1 Feb 11, 2020 #1 PLEASE CONSIDER DISPLAY AS COMMON CATHODE AND IC 7447 AS ACTIVE HIGH INPUT TYPE. THANKS IN ADVANCE.....
PLEASE CONSIDER DISPLAY AS COMMON CATHODE AND IC 7447 AS ACTIVE HIGH INPUT TYPE. THANKS IN ADVANCE.....
dl324 Joined Mar 30, 2015 12,264 Feb 11, 2020 #2 Welome to AAC! I'm not sure what you're trying to ask. 74LS74 is intended to drive a common anode display and it doesn't display tails for 9. That would make your 0x6F value 0x98. The conversion from BCD to 7 segments is done with logic gates: Another way to do it is with a ROM array.
Welome to AAC! I'm not sure what you're trying to ask. 74LS74 is intended to drive a common anode display and it doesn't display tails for 9. That would make your 0x6F value 0x98. The conversion from BCD to 7 segments is done with logic gates: Another way to do it is with a ROM array.