74AHCT244BQ,115

Buffers, Drivers, Receivers, Transceivers Overview

The Nexperia 74AHCT244BQ,115 is an octal buffer and line driver featuring three-state outputs. It operates within a supply voltage range of 4.5 V to 5.5 V and accepts TTL-level inputs. The device provides balanced propagation delays and includes Schmitt-trigger action on all inputs for high noise immunity. It is housed in a DHVQFN20 package (SOT764-1) with dimensions of 2.5 mm by 4.5 mm.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Features two independent output enable controls, each managing four three-state outputs.
• Inputs are overvoltage tolerant up to 5.5 V, facilitating use in mixed-voltage environments.
• All inputs incorporate Schmitt-trigger action to ensure high noise immunity.

Buffers, Drivers, Receivers, Transceivers Applications

• Buffering memory address and data lines
• Driving bus-oriented transfers
• Clock distribution and buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required package variant. Confirm that the application environment strictly adheres to the recommended operating conditions, particularly the 4.5 V to 5.5 V supply voltage range. Ensure design safeguards account for the specified ESD protection levels and latch-up performance limits defined in the datasheet.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL input compatibility is required alongside CMOS output drive capabilities. The DHVQFN20 package is suitable for applications prioritizing PCB space efficiency. Verify that the system logic levels align with the specified VIH and VIL thresholds for reliable signal transmission.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AHC/AHCT logic family, designed for high-speed digital applications. The 'T' designation indicates TTL-compatible input levels, distinguishing it from the standard AHC series which utilizes CMOS input levels. It serves as a robust solution for interfacing between different logic families in complex digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74AHC244BQ,115 is functionally compatible but requires verification of input level differences. Other packages such as SO20 or TSSOP20 offer identical electrical characteristics with alternative mechanical footprints.