SN74AUC16244ZQLR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AUC16244ZQLR is a 16-bit buffer/driver with 3-state outputs from the Widebus family. It operates at VCC voltages from 0.8V to 2.7V, optimized for 1.65V to 1.95V. The device features symmetrical active-low output-enable inputs and supports partial-power-down via Ioff circuitry. It provides up to ±8mA drive at 1.8V with a maximum propagation delay of 2ns. Input and output pins are tolerant to 3.6V, enabling mixed-mode operation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation through 3.6-V I/O tolerance
• Enables partial-power-down mode using Ioff circuitry
• Provides low power consumption with maximum ICC of 20 μA

Buffers, Drivers, Receivers, Transceivers Applications

• 3-state memory address drivers
• Clock drivers
• Bus-oriented receivers and transmitters

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific GQL package suffix against the latest Package Option Addendum to confirm availability status and lead time requirements. Ensure the ordering part number matches the required tape and reel specifications for automated assembly processes.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-density 16-bit buffering with sub-1-V operability. It is suitable for applications needing 3.6-V I/O tolerance while operating at lower core voltages. Verify that the thermal impedance of the GQL package meets the system's heat dissipation requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to Texas Instruments' Widebus family, designed to improve performance and density in bus-oriented circuits. It functions as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. The GQL package variant utilizes a Microstar Junior BGA format for compact surface-mount integration.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AUC16244DGGR

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle partial-power-down scenarios?

The Ioff circuitry automatically disables the outputs to prevent damaging current backflow through the device when it is powered down.

What is the input voltage tolerance of the SN74AUC16244ZQLR?

The input and output pins are designed to be 3.6-V I/O tolerant, allowing them to support mixed-mode signal operation.