74ABT2240D,112

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT2240D,112 is an octal inverting buffer featuring 3-state outputs and integrated 30 Ω series termination resistors. It operates within a supply voltage range of 4.5 V to 5.5 V. Propagation delays are specified between 1.0 ns and 6.0 ns depending on conditions. The device supports output currents up to -32 mA (HIGH) and 12 mA (LOW). It utilizes a 20-lead plastic small outline package (SOT163-1) and functions across an ambient temperature range of -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus interface with two independent output enable inputs controlling four outputs each
• Integrated 30 Ω series resistance in both HIGH and LOW states eliminates the need for external termination resistors
• Supports live insertion and extraction operations without system disruption

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 ',112' against official manufacturer documentation to confirm packaging details and reel specifications. Ensure compatibility with the SOT163-1 package dimensions. Confirm that the component meets required environmental standards such as RoHS compliance before integration into final designs.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing high-speed bus interfaces requiring built-in impedance matching. The integrated 30 Ω resistors simplify layout by removing external components. Consider the dual enable inputs for flexible control logic. Verify that the inverting polarity aligns with the system signal requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT logic family, characterized by BiCMOS technology offering high speed and low power dissipation. It serves as a functional equivalent to the 74ABT240, with the part number updated to reflect industry naming conventions. The D,112 designation specifically identifies the SO20 surface-mount package variant.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The datasheet explicitly states that the 74ABT2240 is functionally identical to the 74ABT240. Designers may substitute one for the other based on availability while maintaining circuit performance.