MC74LCX540DTR2

Overview

The MC74LCX540DTR2 is an inverting octal buffer manufactured by onsemi, operating within a supply voltage range of 2.3 V to 3.6 V. It features eight bits per element with a single element configuration and utilizes a 20-TSSOP package for surface mount installation. The device supports 3-state outputs and includes input type specifications typical of the LCX logic series.

Feature Summary

• Inverting octal buffer architecture
• Low-voltage CMOS technology
• 3-state output capability

Applications

• Data bus buffering
• Signal direction control
• Voltage level translation between low-voltage domains

Procurement Notes

Verify component status as this part number is listed as obsolete by the manufacturer. Confirm availability through authorized distributors or approved substitute components. Ensure compliance with RoHS and REACH regulations if applicable to current production requirements. Check datasheet revisions for any functional updates prior to integration.

Selection Notes

Select this component for applications requiring inverting octal buffering at low voltages. Consider the 20-TSSOP package constraints and thermal characteristics. Evaluate alternative active parts if long-term supply stability is required due to the obsolete status. Verify interface compatibility with target system logic levels.

Part Context

This component belongs to the MC74LCX series of low-voltage CMOS logic devices. It serves as an octal buffer within the broader family of onsemi logic integrated circuits designed for portable and battery-powered applications requiring low power consumption and high speed performance.

Replacement Considerations

Direct substitutes include the 74LCX540MTC. Verify pinout and electrical specifications match before replacement. Consult official substitution guides for equivalent performance in existing designs.