SN74HCT244DWE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT244DWE4 is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It belongs to the HCT logic series and utilizes CMOS technology. The device operates within a supply voltage range of 4.5 V to 5.5 V. It provides low input current with a maximum of 1 µA and maintains a typical propagation delay of 13 ns. The component supports ±6 mA output drive capability at 5 V and ensures low power consumption with a maximum ICC of 80 µA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Configured as two independent 4-bit buffers or drivers with separate output enable inputs for flexible bus management.
• Features three-state outputs that allow direct connection to bus lines without additional pull-up or pull-down resistors.
• Provides high driving capability suitable for driving up to 15 LSTTL loads while maintaining TTL voltage compatibility.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers in digital systems
• Clock signal distribution and buffering
• Bus-oriented receivers and transmitters

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant, as the DWE4 suffix typically denotes a tape-and-reel configuration compared to tube packaging. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the design accounts for the specified operating temperature range and supply voltage constraints defined in the datasheet.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between different logic families requiring TTL-compatible input thresholds and CMOS output characteristics. It is appropriate for designs needing moderate speed with low static power dissipation. Consider alternative packages if space constraints differ from the standard SOIC footprint.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is part of the SN74HCT244 family of octal buffers and line drivers. It is designed to improve performance and density in digital circuits. The device is widely used in applications requiring reliable data transmission across buses with minimal signal degradation.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCT244DWRE4 is a verified substitute offering identical electrical specifications and functionality within the same product family.