74ABT2240D,118

Buffers, Drivers, Receivers, Transceivers Overview

The 74ABT2240D,118 is an octal inverting buffer manufactured by NXP USA Inc. utilizing high-performance BiCMOS technology. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an ambient temperature range from -40 °C to +85 °C. The device features two output enable inputs controlling three-state outputs with integrated 30 Ω series resistance. Propagation delays are typically 2.8 ns (tPLH) and 4.3 ns (tPHL) at 5 V with a 50 pF load. Quiescent supply current is typically 50 μA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus interface with dual output enable controls
• Integrated 30 Ω series termination resistors for noise reduction
• High-speed BiCMOS performance with low power dissipation
• Latch-up protection exceeding 500 mA per JESD78

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus receivers and transmitters

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix '118' against the manufacturer's current documentation to confirm package type and reel specifications. Confirm that the component status remains active or qualified for new designs, as standard product lines may undergo lifecycle changes. Ensure compatibility with existing PCB footprints for the SO20 package variant.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with inherent series termination to minimize external components. The 30 Ω internal resistance simplifies layout for memory and clock applications. Verify that the required propagation delay and drive capability (+12 mA/-32 mA) align with the system's signal integrity requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT logic family, characterized by BiCMOS construction for high speed and low power. It serves as a functional equivalent to the 74ABT240, with the part number updated to reflect industry standards. The D,118 designation specifically identifies the plastic small outline package (SO20) version.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The datasheet explicitly states that the 74ABT2240 is functionally identical to the 74ABT240.