MC74LVX259DR2G ON Semiconductor

MC74LVX259 8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter With LSTTLCompatible Inputs MC74LVX259 4 Q0 1 5 A0 Q1 ADDRESS 6 2 Q2 A1 INPUTS 7 NONINVERTING Q3 3 A2 9 OUTPUTS Q4 10 Q5 13 11 DATA IN Q6 12 Q7 PIN 16 = V 15 CC RESET PIN 8 = GND 14 ENABLE Figure 1. Logic Diagram BIN/OCT DMUX 1 1 4 4 A0 A0 1 0 Q0 0 0 Q0 5 5 2 2 0 A1 A1 Q1 G Q1 2 1 1 7 6 6 3 3 A2 A2 4 2 Q2 2 2 Q2 7 7 Q3 Q3 3 3 8 8 Q4 Q4 4 4 10 13 10 13 ID 5 Q5 ID 5 Q5 11 14 11 14 EN EN Q6 Q6 6 6 12 15 12 15 R R 7 Q7 7 Q7 Figure 2. IEC Logic Symbol MODE SELECTION TABLE LATCH SELECTION TABLE Enable Reset Mode Address Inputs Latch Addressed A CB L H Addressable Latch H H Memory L L L Q0 L L 8Line Demultiplexer L L H Q1 HL Reset L H L Q2 L H H Q3 H L L Q4 H L H Q5 H H L Q6 H H H Q7