74LS157 Quad 2-Input Multiplexer IC – TTL Data Selector/Chip

High-Speed TTL Logic Multiplexer for Digital Circuits

The 74LS157 is a versatile quad 2-input multiplexer that selects 4 bits of data from two sources in digital systems. Perfect for data routing, signal gating, and bus switching applications.

✅ Quad 2-to-1 Multiplexer – 4 independent channels
✅ TTL-Compatible Logic – Works with 5V systems
✅ High-Speed Operation – Typical propagation delay of 15ns
✅ Low Power Consumption – LS-series efficiency

Common Applications:
• Data routing/switching
• Memory address multiplexing
• Digital signal processing
• Computer peripheral interfaces

Key Specifications

• Logic Family: 74LS (Low-Power Schottky)
• Inputs: 2 data inputs per channel (A & B)
• Outputs: 4 independent outputs (Y)
• Supply Voltage: 4.75V to 5.25V
• Operating Temp: 0°C to +70°C
• Package: 16-pin DIP (breadboard friendly)