74155 Dual 2-to-4 Line Decoder/Demultiplexer

The 74155 is a dual 2-to-4 line decoder/demultiplexer integrated circuit. It is widely used in digital systems for decoding binary information and routing signals in multiplexed environments. Ideal for logic control, memory addressing, and data distribution applications.

Specifications

• Logic Family: TTL
• Number of Inputs: 4 (2 select inputs per decoder)
• Number of Outputs: 8 (4 outputs per decoder)
• Supply Voltage: 4.75V to 5.25V
• Propagation Delay: 12 ns (typical)
• Power Consumption: Low power TTL standard
• Operating Temperature: 0°C to +70°C

Features

• Dual 2-to-4 line decoder/demultiplexer in a single IC
• Active low enable input for easy integration
• High noise immunity for stable operation
• Compatible with standard TTL logic circuits
• Compact DIP-16 package for efficient board space utilization
• Ideal for addressing memory and controlling data paths in digital systems