Nov 22, 2016 #1 S sslayer Newbie level 2 Joined Nov 22, 2016 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 26 Hello everyone, have been trying to fix this problem on proteus. i tried to design it myself with child-sheet but have been failing. how can approach the solution thanks for ur time. Attachments 74LS123.JPG 19.8 KB · Views: 101
Hello everyone, have been trying to fix this problem on proteus. i tried to design it myself with child-sheet but have been failing. how can approach the solution thanks for ur time.
Nov 23, 2016 #2 Audioguru Advanced Member level 7 Joined Jan 19, 2008 Messages 9,457 Helped 2,151 Reputation 4,302 Reaction score 2,008 Trophy points 1,393 Location Toronto area of Canada Activity points 59,720 I guess the antique TTL IC does not have an accurate model.