SN74BCT244DB

Buffers, Drivers, Receivers, Transceivers Overview

The SN74BCT244DB is an octal buffer and line driver from Texas Instruments, belonging to the BCT logic series. It features eight non-inverting inputs and outputs with three-state capability, housed in a 20-pin SSOP package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical specifications include a low-level output current of 64 mA and a high-level output current of -15 mA at 5 V. Propagation delay is specified at 4.8 ns at 5 V, with a maximum operating temperature of +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering and line driving capabilities with three-state outputs for bus-oriented systems.
• Utilizes BiCMOS technology to achieve high-speed performance while maintaining low power consumption.
• Features robust drive strength suitable for interfacing between different logic families or driving heavy loads.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented architectures requiring signal isolation and direction control.
• Memory module address and data buffering in computer systems.
• Clock distribution networks for synchronous digital circuits.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DB' corresponds to the SSOP-20 package and tape/reel or tube availability as required by your assembly process. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the operating temperature range meets your system's environmental constraints.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high-speed octal buffering with strong drive capability is required in a compact surface-mount package. Compare against standard HCT or ABT variants if lower power or higher speed is prioritized over the specific BCT drive characteristics. Verify pin compatibility with existing PCB layouts designed for 20-pin SSOP footprints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74BCT family, which combines the speed of bipolar transistors with CMOS input characteristics. It serves as a bridge between legacy TTL-compatible systems and modern high-speed CMOS designs. The octal configuration allows for efficient handling of wide data buses in parallel communication interfaces.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74BCT244DR is a direct pin-compatible alternative with identical electrical characteristics but may differ in packaging format. Other BCT series buffers should be evaluated for drive strength and propagation delay matching before substitution.