.
74LS284 - 4-bit parallel binary multiplier
54240 - Eight three-state inverting buffer / line driver / line receiver
54139 - Dual Line 2-4 decoder
74284 - 4-bit parallel binary multiplier
74139 - Dual Line 2-4 decoder
54284 - 4-bit parallel binary multiplier
74240 - Eight three-state inverting buffer / line driver / line receiver
