74139 Dual 2-to-4 Line Decoder/Demux (74HC139/74LS139)

Description

74HC139-74139 (Dual 2 to 4 Line Decoder) is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. 74HC139 IS A dual 2 to 4 line decoder/demultiplexer IC Specification Propagation Delay Time: 145 ns at 2V / 25 ns at 6V Power Dissipation: 320 mW Output Current: 5.2 mA at 6 V No. of Inputs: 3X 3 No. of Pins: 16 Operating Temperature Range : -40°C to +125°C Supply Voltage Range: 2V to 6V Package: DIP-16 Logic Diagram Symbol Pin Description 1E, 2E 1, 15 enable input (active LOW) 1A0, 1A1 2,3 address input 1Y0, 1Y1, 1Y2, 1Y3 4,5,6,7 output (active LOW) GND 8 ground (0 V) 2Y0, 2Y1, 2Y2, 2Y3 12,11,10,9 output (active LOW) 2A0, 2A1 14,13 address input VCC 16 positive supply voltage It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.