MC74AC258N

Signal Switches, Multiplexers, Decoders Overview

The MC74AC258N is a quad 2-input multiplexer with 3-state outputs manufactured by onsemi. It belongs to the AC logic series and operates within a supply voltage range of 2V to 6V. The device features noninverting outputs capable of sourcing and sinking 24mA. It utilizes a 16-pin PDIP package and supports an operating temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad configuration allowing selection of four bits of data from two sources using common data select inputs.
• Noninverting 3-state outputs that can be switched to high impedance via the output enable input for bus-oriented systems.
• High noise immunity characteristic of CMOS devices with low input current requirements.

Signal Switches, Multiplexers, Decoders Applications

• Bus-oriented system interfacing
• Data routing in digital circuits
• Multiplexer expansion

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized channels as counterfeit logic ICs exist. Confirm package integrity and pin alignment against datasheet specifications before soldering. Check RoHS compliance status if environmental regulations apply to your assembly process. Ensure storage conditions prevent moisture damage prior to reflow.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this part when a quad 2-to-1 multiplexer with 3-state outputs is required for 2V to 6V applications. Consider the PDIP package for through-hole mounting needs. Evaluate the 24mA drive capability against load requirements. Compare propagation delay and power consumption against other AC series alternatives if performance constraints are tight.

Signal Switches, Multiplexers, Decoders Part Context

This component is part of the MC74AC series, which offers high-speed CMOS logic with wide voltage operation. It serves as a functional equivalent to standard TTL multiplexers but with lower power consumption. The device is designed for general-purpose digital switching and data selection tasks in industrial and consumer electronics.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for MC74ACT258N for TTL-compatible inputs. Verify MC74HC258N for higher speed at 5V only. Ensure pinout compatibility with existing PCB layouts before substitution.