74ACT157MTR

Signal Switches, Multiplexers, Decoders Overview

The STMicroelectronics 74ACT157MTR is a quad 2-channel multiplexer fabricated with advanced high-speed CMOS technology. It operates within a supply voltage range of 4.5V to 5.5V and features a typical propagation delay of 5.5ns at 5V. The device provides symmetrical output impedance with minimum drive currents of 24mA for both high and low states. It includes protection circuits against static discharge, offering 2kV ESD immunity. The component is designed for direct interfacing with TTL, NMOS, and CMOS systems.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-channel non-inverting digital multiplexing architecture
• High-speed operation with balanced propagation delays
• Direct interface compatibility with TTL, NMOS, and CMOS logic families
• Robust electrostatic discharge protection on all inputs and outputs

Signal Switches, Multiplexers, Decoders Applications

• Data routing in high-speed CMOS systems
• Signal selection in mixed-logic environments
• Transmission line driving applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm that alternative packages or updated series components meet the required pinout and electrical specifications for your design. Ensure compliance with RoHS directives if applicable to your manufacturing standards.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a quad multiplexer with ACT-level speed and TTL-compatible input thresholds is required. Verify that the operating temperature range of -55°C to 125°C aligns with your environmental constraints. Ensure the 50Ω transmission line driving capability matches your signal integrity requirements.

Signal Switches, Multiplexers, Decoders Part Context

This component belongs to the 74ACT logic family, which combines the speed of AC logic with the power consumption characteristics of AC logic while maintaining TTL-compatible input levels. It serves as a standard solution for data selection tasks in industrial and commercial electronic equipment requiring reliable switching performance.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for compatible quad multiplexers from other manufacturers that maintain pin and function compatibility with the 74 series 157. Verify that any substitute offers equivalent propagation delays and output drive capabilities.