74ABT2241PW,112

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT2241PW,112 is an octal buffer with 30-ohm series termination resistors and 3-State outputs. It operates on a DC supply voltage of 4.5V to 5.5V. Propagation delay ranges from 1.0ns to 5.6ns at VCC=5.0V. Output drive capability is +12mA/-32mA. Input capacitance is 3pF, output capacitance is 7pF. Quiescent current is 50μA max. Operating temperature range is -40°C to +85°C. Package is 20-pin TSSOP.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus interface with integrated 30-ohm series termination resistors in both high and low states to reduce line noise.
• Features two independent Output Enables (1OE, 2OE), each controlling four of the 3-State outputs.
• Provides power-up 3-State functionality to ensure safe initialization upon power application.
• Includes latch-up protection exceeding 500mA per JEDEC Std 17 and ESD protection exceeding 2000V per MIL STD 883 Method 3015.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus receivers/transceivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required package type, as the datasheet lists multiple variants including DIP, SO, SSOP, and TSSOP. Confirm the manufacturer origin, noting historical Philips Semiconductors documentation may apply to current NXP production. Ensure the component meets the specified RoHS compliance status for your assembly process requirements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this device when driving bus lines requiring noise reduction through internal series termination. The dual enable structure allows flexible partitioning of the eight outputs. Verify that the 3-State output behavior and propagation delays meet the system timing constraints under the intended operating voltage and load conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74ABT logic family, characterized by high-speed BiCMOS technology. It serves as a buffer within digital logic circuits, specifically designed for bus applications where signal integrity and controlled impedance are critical. The integration of termination resistors simplifies board layout compared to discrete solutions.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct pin-compatible substitutes within the 74ABT2241 family or other octal buffers with similar termination characteristics. Verify electrical parameters such as propagation delay and output drive current match the original design requirements before substitution.

Buffers, Drivers, Receivers, Transceivers FAQ

How does the 30-ohm series resistance function?

The 30-ohm series resistance is integrated into both the high and low states of the output to reduce line noise in applications like memory address drivers and clock drivers.

What is the power-up state of the outputs?

The device features power-up 3-State functionality, ensuring outputs are in a high-impedance state during power transition.