QS74FCT2544ATSO

Buffers, Drivers, Receivers, Transceivers Overview

The QS74FCT2544ATSO is an octal bus transceiver belonging to the FCT logic family, manufactured by Quality Semiconductor. It features true outputs and operates within a supply voltage range of 4.75 V to 5.25 V. The device supports an industrial operating temperature range from -40°C to +85°C. It utilizes a 20-pin plastic small outline package (SOIC) with a standard 300-mil width. The component provides high-speed data transfer capabilities suitable for memory and system bus applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent bidirectional data paths
• True output polarity ensuring direct signal correspondence without inversion
• Integrated series damping resistors on all outputs to minimize signal reflections
• Low ground bounce design characteristics for stable switching performance

Buffers, Drivers, Receivers, Transceivers Applications

• Memory bus drivers in computer systems
• System clock distribution networks
• High-speed data acquisition modules
• Industrial control system interconnects

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation as Quality Semiconductor rather than other common producers like IDT or Cypress. Confirm the specific suffix 'ATSO' corresponds to the required temperature grade and packaging variant. Ensure compatibility with existing board layouts regarding pin assignments and thermal requirements before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal transceiver with integrated damping is required for impedance matching. The FCT technology offers a balance between speed and power consumption compared to older bipolar families. Consider the SOIC-20 footprint constraints and verify that the 5V logic levels align with the target system interface specifications.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Fast CMOS (FCT) logic family, designed to replace faster bipolar equivalents with lower power consumption. Quality Semiconductor produces this variant alongside similar devices like the QS74FCT244 and QS74FCT541. The family is characterized by TTL-compatible inputs and high drive capability.