M74VHCT257ADTR2G

Overview

The M74VHCT257ADTR2G is a quad 2-channel multiplexer with 3-state outputs manufactured by onsemi. It belongs to the VHCT logic series, utilizing CMOS technology for low power consumption and high noise immunity. The device operates within a supply voltage range of 2.0 V to 5.5 V. It features a TSSOP-16 surface-mount package. Key electrical parameters include a propagation delay of 8 ns at 5 V and output drive capabilities of ±8 mA. The component supports single-ended inputs and differential outputs, ensuring signal integrity in digital switching applications.

Feature Summary

• Quad 2-channel multiplexing functionality with 3-state output control
• CMOS construction providing low static power dissipation
• TTL-compatible input thresholds for direct interface with standard logic families
• High noise immunity suitable for demanding digital environments

Applications

• Data routing in embedded systems
• Signal selection in communication interfaces
• Bus arbitration circuits
• Peripheral device multiplexing

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements for your region. Cross-reference the part number with official distributor catalogs to validate authenticity and avoid counterfeit components. Confirm lead times directly with authorized suppliers as production schedules may vary.

Selection Notes

Select this component when a quad 2-to-1 multiplexer with 3-state outputs is required. The VHCT series offers compatibility with both 3.3 V and 5 V logic levels. Consider the TSSOP-16 package for space-constrained PCB layouts. Evaluate propagation delay and output drive strength against system timing requirements before finalizing the design choice.

Part Context

This part is part of onsemi's VHCT logic family, designed for high-speed digital applications. It complements other VHCT devices such as flip-flops and gates within the same ecosystem. The M74 prefix indicates international standardization, while the VHCT designation highlights its hybrid CMOS-TTL characteristics. It serves as a critical interconnect element in complex digital architectures requiring efficient data path management.

Replacement Considerations

Check for pin-compatible alternatives from the same VHCT family. Verify that substitute parts maintain identical 3-state output behavior and voltage ranges. Ensure any replacement matches the TSSOP-16 footprint and thermal characteristics. Consult official substitution guides for guaranteed functional equivalence.