74ACT153SCX

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74ACT153SCX is a high-speed dual 4-input multiplexer belonging to the ACT series. It features common select inputs and individual enable inputs for each section, allowing selection of two lines of data from four sources. The device provides buffered outputs in true form and operates with TTL-compatible inputs. It is designed for bus-oriented applications requiring low power consumption and high speed.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 4-input multiplexer architecture with common select lines
• TTL-compatible input logic levels for direct interfacing
• Buffered true outputs suitable for bus-oriented applications
• High-speed operation with low power dissipation characteristics

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital communication systems
• Address decoding in microprocessor-based designs
• Function generation using three variable inputs
• Bus switching in computer memory architectures

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the exact suffix SCX against the manufacturer's current datasheet to confirm package type and lead-free status. Ensure compatibility with existing board layouts regarding pin configuration and thermal requirements. Check for RoHS compliance documentation if environmental regulations apply to your specific deployment scenario.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent multiplexing is required within a single package. It is appropriate for designs needing TTL-level input compatibility alongside CMOS output drive capabilities. Consider the ACT series performance benefits over standard LS or HC families for higher speed requirements without excessive power consumption.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74ACT logic family, which combines the speed of advanced CMOS technology with TTL-compatible inputs. The 74ACT153 variant specifically addresses applications requiring multiple data paths to be selected efficiently. It serves as a critical interface component in complex digital systems where signal integrity and switching speed are paramount.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Compatible substitutes include the 74ACT153PC and 74ACT153DC. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement part meets the same voltage and temperature operating ranges required by the original design.