High-Speed CMOS Octal Buffer/Inverter – 20-Pin DIP

NTE74HC240 High-Speed CMOS Buffer IC

The NTE74HC240 is a high-speed CMOS buffer and inverting line driver designed for demanding digital applications requiring fast switching and robust logic signal control. This octal buffer features inverting 3-state outputs and employs advanced CMOS technology for low power consumption and high noise immunity.

Features & Technical Specifications

• Technology: High-speed CMOS (TTL-compatible input levels)
• Function: Octal buffer/line driver with inverting outputs
• Output Type: 3-state (tri-state) outputs for bus-oriented applications
• Number of Channels: 8 (octal)
• Package: 20-pin Dual In-line Package (DIP-20)
• Supply Voltage: Compatible with standard 5V logic systems
• Input Compatibility: TTL-compatible
• Package Quantity: 1 per package
• Part Number: NTE74HC240

Typical Applications

• Microprocessor and microcontroller bus interfacing
• Signal buffering and level shifting
• High-speed digital logic circuits
• Data bus driving in memory and peripheral systems

Usage Notes

With inverting 3-state outputs, the NTE74HC240 buffer is ideal for applications where controlled signal inversion and high drive capability are required. Outputs may be placed in a high-impedance state, making it suitable for bidirectional bus interfacing and minimizing signal contention.

This part is the equivalent replacement for the following:

1820-3299, 551-1470-00, 74HC240, 74HC240N, 8-759-202-33, BU74HC240, CD74HC240, CD74HC240E, ECG74HC240, GD74HC240, GD74HC240B, HD74HC240, HD74HC240P, IG068100, IR024000, LR74HC240, M74HC240, M74HC240B1, M74HC240B1N, M74HC240P, MC74HC240, MC74HC240N, MLC74HC240A, MM74HC240, MM74HC240N, MN74HC240, MSM74HC240RS, NJU74HC240N, NTE74HC240, PC74HC240, PC74HC240P, SK7C240, SN74HC240, SN74HC240N, SP74HC240, SP74HC240N, TC74HC240, TC74HC240AP, TC74HC240P, UPD74HC240, UPD74HC240C