Synchronous 4-Bit Up/Down Binary Counters 16-CDIP -55 to 125
Dual 2-Line To 4-Line Decoders/Demultiplexers 16-CDIP -55 to 125
Counter Single 4-Bit Sync Binary UP/Down 20-Pin LCCC Tube
Parallel-Load 8-Bit Registers 16-CDIP -55 to 125
SNJ54ALS139J