74FCT240PC

Buffers, Drivers, Receivers, Transceivers Overview

The National Semiconductor 74FCT240PC is an octal buffer and line driver featuring three-state outputs. It operates within a supply voltage range of 4.75 V to 5.25 V and supports an operating temperature range of 0°C to 70°C. The device utilizes CMOS technology and provides inverted output polarity. It is housed in a 20-pin DIP package designed for through-hole mounting.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration with two independent four-bit sections
• Three-state output capability for bus line driving
• Inverted logic function for signal buffering

Buffers, Drivers, Receivers, Transceivers Applications

• Bus line drivers in computer systems
• Memory buffer applications
• Clock distribution circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets were acquired by Texas Instruments. Confirm the specific temperature grade (0°C to 70°C) matches system requirements. Ensure the 20-DIP package style is compatible with the target PCB layout. Check RoHS compliance status against current regulatory standards.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal inverting buffer with three-state control is required for 5V CMOS logic systems. Consider the commercial temperature range limits. Evaluate pin compatibility if replacing legacy designs. Verify that the through-hole packaging meets assembly constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the FCT logic family, offering high-speed performance compared to standard LS TTL. It serves as a direct replacement for older 74F240 devices in many applications. The device is widely used in digital systems requiring robust signal integrity on data buses.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include the TI SN74FCT240PC and IDT 74FCT240PC. These alternatives maintain pinout compatibility while potentially offering updated manufacturing processes or enhanced reliability specifications.