74ACT158SJ

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74ACT158SJ is a high-speed CMOS quad 2-input multiplexer belonging to the 74ACT logic series. It features four independent multiplexing circuits, each selecting one of two data inputs based on common select lines. The device operates within a supply voltage range of 4.5V to 5.5V and supports surface-mount installation in a 16-lead SOP package. It provides TTL-compatible inputs and ensures reliable signal routing for digital systems.

Signal Switches, Multiplexers, Decoders Feature Summary

• Contains four independent 2-to-1 multiplexing channels with common select inputs
• Features TTL-compatible inputs for direct interfacing with standard logic families
• Provides buffered outputs that maintain signal integrity across the circuit

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital communication systems
• Address decoding and selection in microprocessor interfaces
• Signal switching in test and measurement equipment

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized distributors or certified suppliers. Confirm RoHS compliance status and check for lead-free certification markings on the package. Ensure the SOP-16 package matches design requirements. Review datasheet specifications for operating temperature ranges and electrical characteristics before integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring multiple independent 2-input signal paths controlled by shared select lines. The ACT series offers faster propagation delays compared to standard 74LS equivalents while maintaining compatible pinouts. Consider the 16-lead SOP package for space-constrained printed circuit board layouts.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74ACT family of high-speed CMOS logic devices manufactured by Fairchild Semiconductor. The 74ACT158 specifically implements quad multiplexer functionality. Similar variants include the 74ACT158PC and 74ACT158SC, which differ primarily in packaging styles such as DIP or SOIC formats while retaining identical internal circuitry and logical operations.