SN74LVC162244DGGR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC162244 is a 16-bit buffer/driver designed for 2.7-V to 3.6-V VCC operation, utilizing the EPIC submicron process. It features symmetrical active-low output-enable inputs and outputs capable of sinking up to 12 mA. The device includes equivalent 26-ohm series resistors to reduce overshoot and undershoot without external components. Bus-hold circuitry maintains valid logic levels on floating data inputs. It is characterized for operation from -40°C to 85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• EPIC submicron CMOS technology ensures high performance and density for memory address and clock drivers.
• Integrated bus-hold circuitry eliminates the need for external pullup or pulldown resistors on data inputs.
• Output ports incorporate equivalent 26-ohm series resistors to minimize signal overshoot and undershoot.
• Active bus-hold functionality holds unused or floating data inputs at a valid logic level.

Buffers, Drivers, Receivers, Transceivers Applications

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

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the specific ordering suffix matches the required package type (DGG or DL) and temperature range. Confirm RoHS compliance status as specifications may vary by manufacturing lot. Ensure the datasheet version corresponds to the production date to validate electrical characteristics and absolute maximum ratings before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring 16-bit buffering within a 2.7-V to 3.6-V supply voltage window. It is suitable for applications needing symmetrical active-low control and integrated series resistance for signal integrity. Consider the -40°C to 85°C operating range for standard commercial environments.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the Widebus family and utilizes Enhanced-Performance Implanted CMOS (EPIC) technology. It serves as a high-density solution for interfacing between different bus architectures. The design specifically targets improvements in performance and density for 3-state memory and clock driver applications compared to previous generations.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult Texas Instruments documentation for direct pin-compatible alternatives within the LVC or LVTH families. Verify that substitute devices support the same 2.7-V to 3.6-V operating voltage and 12-mA sink current requirements. Ensure replacement packages match the original DGG or DL form factors.

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle unused or floating data inputs?

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level, eliminating the need for external pullup or pulldown resistors.

What is the purpose of the internal series resistors in the output ports?

The output ports have equivalent 26-ohm series resistors to reduce overshoot and undershoot, meaning no external resistors are required for these functions.