74HC540DTR2G

Overview

The MC74HC540DTR2G is an octal buffer and line driver manufactured by onsemi, belonging to the 74HC logic family. It features eight non-inverting buffers with three-state outputs, designed for high-speed CMOS applications. The device operates within a supply voltage range of 2V to 6V and supports surface mount packaging in a 20-TSSOP case. It provides robust output drive capabilities suitable for bus-oriented systems and memory address drivers.

Feature Summary

• Octal configuration providing eight independent non-inverting buffer channels
• Three-state output architecture enabling efficient bus management and system isolation
• CMOS technology ensuring low power consumption and high noise immunity

Applications

• Bus-oriented memory and address drivers
• Clock drivers and buffering
• High-performance register files

Procurement Notes

Verify the RoHS compliance status carefully, as datasheets may indicate variations or specific suffix requirements for environmental standards. Confirm the package type matches the design footprint and ensure the operating temperature range aligns with the target application environment before finalizing procurement.

Selection Notes

Select this component when an octal buffer with three-state control is required for digital signal routing. It is suitable for designs needing high-speed performance with low static power dissipation. Ensure the supply voltage falls within the specified operational limits and that the thermal characteristics meet the system's heat dissipation requirements.

Part Context

This part belongs to the widely adopted 74HC series of high-speed CMOS logic devices. It serves as a standard solution for interfacing between different logic families or driving high-capacitance loads in digital circuits. The device is commonly used in consumer electronics, industrial controls, and computing equipment requiring reliable signal buffering.

Replacement Considerations

Compatible substitutes include the MC74HC540DR2G and other variants from the same manufacturer offering identical pinouts and electrical characteristics. Cross-reference with equivalent parts from other vendors such as NXP or Texas Instruments, ensuring matching voltage ranges and package dimensions.