SN74HC245DBR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC245DBR is an octal bus transceiver manufactured by Texas Instruments, belonging to the HC logic series. It features tri-state outputs and operates within a supply voltage range of 2 V to 6 V. The device provides a propagation delay of 22 ns and supports low-level output currents of 6 mA and high-level output currents of -6 mA. It functions as a non-inverting bidirectional buffer with eight channels. The component is housed in an SSOP-20 package and is designed for surface-mount installation. It maintains a maximum power supply current of 8 uA and operates reliably across a temperature range from -40 C to +85 C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture providing bidirectional data transfer capabilities
• Tri-state outputs allowing multiple drivers on a common bus without interference
• CMOS input and output levels ensuring compatibility with standard digital logic systems

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data buffering and routing in electronic circuits
• Bidirectional bus driving applications requiring signal isolation
• Memory and memory interface systems utilizing parallel data lines

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to confirm the package type and tape-and-reel configuration. Ensure the RoHS compliance status matches project requirements. Confirm that the SSOP-20 footprint aligns with the intended PCB layout. Check for any lead-free manufacturing specifications if required by regulatory standards. Validate the operating temperature range against environmental conditions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal width is required for bus interfacing. The HC series offers balanced speed and power consumption suitable for general-purpose logic. Verify that the 2 V to 6 V supply range covers the system voltage rails. Consider the SSOP-20 package constraints regarding board space and thermal dissipation. Ensure the 22 ns delay meets the timing requirements of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HC245 family of octal bus transceivers. It shares functional characteristics with variants such as SN74HC245DWR and SN74HC245N, differing primarily in packaging and reel specifications. The HC series represents a high-speed CMOS technology line from Texas Instruments. These devices are standard components for managing parallel data paths in microprocessor and memory systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC245DBRE4 is a verified equivalent variant within the same product family.