74ABT540D,602

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT540D,602 is an octal inverting buffer with 3-State outputs manufactured using high-performance BiCMOS technology. It operates within a DC supply voltage range of 4.5V to 5.5V and supports an operating free-air temperature range from -40°C to +85°C. The device provides an output capability of +64mA for low states and -32mA for high states. Typical propagation delay (tPLH/tPHL) is 3.1ns at VCC = 5V with a 50pF load. Input capacitance is typically 3pF, while output capacitance is 7pF when disabled.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus interface architecture designed for driving bus lines
• Input and output pins located on opposite sides of the package to facilitate printed circuit board layout
• Power-up 3-State functionality ensures safe initialization
• Live insertion and extraction permitted without signal interference

Buffers, Drivers, Receivers, Transceivers Applications

• Driving bus lines in computer systems
• Buffering data signals in high-speed digital circuits
• Interface applications requiring live insertion/extraction capabilities

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix '602' against current manufacturer documentation to confirm exact packaging and revision status. Confirm RoHS compliance and REACH registration details as required by your procurement specifications. Ensure the component meets the required temperature grade (-40°C to +85°C) for your intended application environment before finalizing orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal inverting buffer with high drive capability (+64mA/-32mA) is required. The BiCMOS technology offers a balance of low static power dissipation and high speed suitable for demanding bus interfaces. Consider the 20-pin SOIC package availability and ensure PCB layout accommodates the opposite-side pin configuration for optimal signal integrity.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT logic family, characterized by high-speed operation and compatibility with standard TTL/CMOS levels. It serves as a buffer/driver within the broader category of logic ICs, specifically functioning as an octal transceiver or buffer. The part is manufactured by Philips Semiconductors (now NXP), utilizing BiCMOS processes for enhanced performance over standard CMOS alternatives.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct equivalents such as the SN74ABT540 series from Texas Instruments. Verify pinout compatibility and electrical characteristics like propagation delay and output current drive before substitution. Ensure the replacement part supports the same 3-State functionality and operating voltage range.