Display Demultiplexing System with Ripple Blanking
Common Cathode LED Display
Note: Digit address data must be non-overlapping. Standard TTL decoders like the 9301, 9311, 7442 or 74155 must be strobed, since the address decoding
glitches could cause erroneous data to be strobed into the latches.
www.fairchildsemi.com
4