SN74HCT244DWRE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCT244DWRE4 is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It belongs to the HCT logic series and utilizes a 20-SOIC surface-mount package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a wide operating temperature range from -40°C to +85°C. Key electrical specifications include a maximum propagation delay of 45 ns at 4.5 V, with output drive capabilities of 6 mA for both high and low states. Static current consumption is specified at 8 µA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight non-inverting buffer channels with independent three-state control for bus-oriented communication.
• Compatible with standard TTL voltage levels due to HCT logic family characteristics.
• Designed for surface-mount assembly in compact electronic applications.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented systems requiring signal buffering
• Memory address drivers
• Clock drivers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'E4' indicates lead-free composition and RoHS compliance as per manufacturer standards. Confirm the SOIC-20 package dimensions match the target PCB footprint. Ensure the 4.5V to 5.5V supply voltage requirement aligns with the system design. Check for moisture sensitivity level requirements during storage and handling.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between different voltage domains or driving multiple loads on a shared bus. The HCT series ensures compatibility with TTL inputs while maintaining CMOS power efficiency. Consider the 3-state output feature for managing data flow directionality in complex digital circuits.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is a variant of the SN74HCT244 series, distinguished by the 'E4' suffix denoting environmental compliance. It serves as a critical interface component in digital logic designs, facilitating signal integrity across various subsystems. The SOIC-20 package offers a balance between pin count and board space efficiency.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCT244DWR is a direct functional substitute within the same series. SN74HCT244DWG4 is another compatible variant. Verify package compatibility and electrical parameters before substitution.