74ACT253SCX

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74ACT253SCX is a dual 4-input multiplexer with 3-STATE outputs, manufactured by onsemi. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature from -40°C to +85°C. The device features non-inverting outputs capable of sourcing or sinking 24 mA. Propagation delays are specified at 11.5 ns maximum for select-to-output transitions and 10.0 ns maximum for input-to-output transitions at 5.0 V. It utilizes a 16-Lead Small Outline Integrated Circuit (SOIC) package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 4-input multiplexing capability with common select inputs
• Non-inverting 3-STATE outputs allowing direct bus interfacing
• TTL-compatible inputs for ACT logic family integration

Signal Switches, Multiplexers, Decoders Applications

• Bus-oriented system data routing
• Data selector circuits requiring high impedance states
• Multiplexing two bits of data from four sources

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets as standard production may be discontinued. Ensure compatibility with existing PCB footprints and validate that alternative components meet identical electrical specifications if substitution is required.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring dual independent multiplexing with 3-STATE output control. It is suitable for applications needing TTL-compatible inputs and robust drive capabilities. Consider the SOIC package dimensions for board layout constraints and verify power supply stability within the 4.5 V to 5.5 V range for optimal performance.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74ACT series of logic integrated circuits, specifically designed for advanced CMOS technology. It serves as a functional equivalent to other dual 4-input multiplexers in the industry, providing reliable data selection with high-speed switching characteristics. The device is widely used in digital communication and computing architectures.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct substitutes include MC74ACT253DR2G from onsemi and CD74ACT253M from Texas Instruments. Verify pinout compatibility and electrical parameters when replacing obsolete parts.