TC74HC155P PDF File ( Datasheet )

TC74HC155P IL00D TTL DUAL 2-TO-4-LINE DECODER , 3-TO-8-LINE DECODER TOP VIEW 1C IN 1 1EN IN 2 B IN 3 1Y3 OUT 4 1Y2 OUT 5 1Y1 OUT 6 1Y0 OUT 7 8 GND VDD 16 15 2C IN 14 2EN IN 13 A IN 12 2Y3 OUT 11 2Y2 OUT 10 2Y1 OUT 9 2Y0 OUT DUAL 2-TO-4-LINE DECODER 14 EN 15 EN C B A 9 INPUTS OUTPUTS Y0 10 EN C B A Y3 Y2 Y1 Y0 Y1 11 0 0 0 0 1 1 1 0 Y2 12 0 0 0 1 1 1 0 1 Y3 00101011 00110111 13 X 1 X X 1 1 1 1 3 1 XXX 1 1 1 1 7 EN C B A Y3 Y2 Y1 Y0 B Y0 6 01001110 A Y1 5 01011101 1 C Y2 4