Version 4 SHEET 1 880 680 WIRE 96 32 80 32 WIRE 112 32 96 32 WIRE 96 48 96 32 WIRE -288 112 -400 112 WIRE 16 112 -288 112 WIRE -320 144 -400 144 WIRE 16 144 -320 144 WIRE -176 176 -192 176 WIRE -160 176 -176 176 WIRE 240 176 176 176 WIRE -176 192 -176 176 WIRE 240 208 176 208 WIRE 240 240 176 240 WIRE -288 256 -288 112 WIRE -256 256 -288 256 WIRE 16 256 -96 256 WIRE -320 288 -320 144 WIRE -256 288 -320 288 WIRE 16 288 -96 288 WIRE -256 336 -400 336 WIRE 16 352 -16 352 WIRE -16 368 -16 352 WIRE -16 368 -32 368 WIRE 0 368 -16 368 WIRE -176 384 -176 368 WIRE -176 384 -192 384 WIRE -160 384 -176 384 WIRE -16 384 -32 368 WIRE -16 384 0 368 WIRE -176 400 -192 384 WIRE -176 400 -160 384 WIRE 96 400 96 384 WIRE 96 400 80 400 WIRE 112 400 96 400 WIRE 96 416 80 400 WIRE 96 416 112 400 FLAG 96 32 Vdd FLAG 96 400 Vss FLAG 240 240 Y0 IOPIN 240 240 Out FLAG 240 208 Y1 IOPIN 240 208 Out FLAG 240 176 Y2 IOPIN 240 176 Out FLAG -16 368 Vss FLAG -400 144 A0 IOPIN -400 144 In FLAG -400 112 A1 IOPIN -400 112 In FLAG -400 336 CLK IOPIN -400 336 In FLAG -176 384 Vss FLAG -176 176 Vdd SYMBOL 2bitreg -256 368 R0 SYMATTR InstName X1 SYMBOL 2bitadder 16 384 R0 SYMATTR InstName X2