SN74HC245DWRE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC245DWRE4 is an octal bus transceiver from the Texas Instruments HC logic family, housed in a 20-pin SOIC package. It features three-state outputs and operates within a supply voltage range of 2 V to 6 V. The device provides a propagation delay of 22 ns, with low-level output current capability of 6 mA and high-level output current of -6 mA. It supports CMOS input and output levels and functions within a temperature range of -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data bus architecture for efficient parallel data transfer
• Three-state outputs enable direct connection to system buses without additional drivers
• Direction control pin manages signal flow between Port A and Port B

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems requiring parallel interface buffering
• Microprocessor-based systems utilizing wide data buses
• Memory storage devices connected via parallel data pathways

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'E4' corresponds to lead-free RoHS compliance as documented by the manufacturer. Confirm the SOIC-20 package dimensions match the target PCB footprint requirements. Ensure the operating voltage range aligns with the system's power supply specifications before integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an eight-bit bidirectional buffer is required for standard CMOS logic interfaces. The HC series offers balanced performance for general-purpose digital applications. Consider alternative packages if surface area constraints differ from the SOIC-20 form factor.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HC245 family of octal bus transceivers. It serves as a standard interface solution for connecting microprocessors to peripherals. The device is widely used in industrial and consumer electronics for managing parallel data streams across different logic domains.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HC245DWR is a compatible variant within the same product line.