2 to 4 decoder circuit - v1

truth table -------------------------------------- A0 is left upper input A0 A1 D1 D2 D3 D4 A1 is left bottom input 0 0 1 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 1 0 0 0 1 Just for fun :) Same name, version 2 is modified with chip enable (CE) input.