SN74F543NSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74F543NSR is an octal registered transceiver from the Texas Instruments SN74F series, housed in a 24-pin SOIC package. It operates on a supply voltage range of 4.5 V to 5.5 V with TTL input and output levels. The device features three-state outputs and supports a propagation delay of 7.5 ns. It provides a low-level output current of 64 mA and a high-level output current of -15 mA. Designed for surface-mount installation, it functions within a temperature range of 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains two sets of D-type latches for temporary data storage during bidirectional flow
• Provides non-inverting octal bus transceiver functionality with three-state outputs
• Supports TTL-compatible input and output logic levels

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data bus architectures requiring temporary storage
• System memory interfaces utilizing registered transceivers
• Control circuits managing parallel data transfer paths

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'NSR' confirms the 24-SOIC package and tape-and-reel orientation. Confirm RoHS compliance status through official manufacturer documentation. Ensure the operating temperature range meets system requirements. Validate pinout compatibility against existing PCB layouts before integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when bidirectional data buffering with internal latching is required. The SN74F series offers higher speed than standard variants but consumes more power. Verify that the 4.5 V to 5.5 V supply range aligns with the system power design. Consider the 24-pin SOIC footprint for physical constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74F logic family, characterized by fast switching speeds suitable for general-purpose digital applications. It serves as a registered version of the SN74F541, adding internal storage capabilities. The device is manufactured using bipolar technology, distinguishing it from CMOS alternatives in the same functional category.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74F543DWR is a direct replacement offering identical electrical specifications and functionality in a different SOIC-24 variant.