74ACT253PC

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74ACT253PC is a dual 4-input multiplexer with 3-state outputs, belonging to the 74ACT logic series. It operates within a supply voltage range of 4.5V to 5.5V and features TTL-compatible inputs. The device provides high-speed data selection using common select inputs for two independent sections. It supports through-hole mounting in a 16-lead Plastic Dual-In-Line (PDIP) package. The component ensures reliable signal routing with individual enable inputs for each multiplexer section.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 4-input multiplexer architecture with common select lines
• 3-state outputs allowing direct bus interface
• TTL-compatible input levels for system integration
• Individual output enable control per section

Signal Switches, Multiplexers, Decoders Applications

• Bus-oriented data routing systems
• Digital signal selection circuits
• Multiplexing applications requiring 3-state isolation

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify manufacturer authenticity as Fairchild Semiconductor was acquired by onsemi. Confirm the PDIP-16 package type matches design requirements. Check RoHS compliance status against current environmental regulations. Ensure the specific suffix indicates the correct lead-free variant if required by assembly processes.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent 4-to-1 multiplexing with 3-state capability is required. The ACT series offers faster switching speeds compared to standard AC logic while maintaining CMOS power efficiency. Verify that the 4.5V to 5.5V operating voltage aligns with the target system power rails.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74AC/ACT family of high-speed CMOS logic devices. The 74ACT series specifically bridges the performance gap between AC speed and TTL compatibility. Similar parts include the 74AC253PC and other variants in the 74ACT253 series with different package options like SOIC or SOP.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The 74AC253PC serves as a compatible alternative within the same functional family. Other 74ACT253 variants with different packages may replace this unit if pinout compatibility is maintained.