QS74FCT651ATS0

Buffers, Drivers, Receivers, Transceivers Overview

The QS74FCT651ATS0 is an octal registered bus transceiver belonging to the FCT logic series. It features a single functional unit with eight bits of data width and inverted outputs. The device utilizes CMOS technology and is housed in a 24-pin TQSOP plastic package measuring 0.150 inches. It supports multiplexed transmission of registered or real-time data through selectable inputs. The component operates within a temperature range of -40°C to +85°C and has a load capacitance specification of 50 pF.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports multiplexed transmission of registered and real-time data via select input
• Provides inverted output characteristics for signal inversion applications
• Utilizes CMOS technology for low power consumption and high noise immunity

Buffers, Drivers, Receivers, Transceivers Applications

• Multiplexed data bus systems requiring registered transmission
• Real-time data transfer interfaces in industrial control
• Octal bus transceiver circuits in computer peripheral interfaces

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation as Quality Semiconductor, noting potential corporate restructuring history involving Diodes Incorporated. Confirm the specific package type is TQSOP-24 and check RoHS compliance status, as some records indicate non-compliance. Ensure the part number suffix matches the exact ordering requirements for lead-free processing if applicable to your assembly standards.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal registered bus transceiver with inverted outputs is required for FCT-series compatibility. Consider the 24-pin TQSOP package constraints for PCB layout. Verify that the 50 pF load capacitance meets the system's electrical requirements. Ensure the operating temperature range of -40°C to +85°C aligns with the environmental conditions of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

This device is part of the broader FCT logic family, designed for high-speed digital applications. It serves as a registered buffer/transceiver solution, distinct from unregistered variants like the 74FCT541. The QS prefix typically denotes Quality Semiconductor manufacturing, differentiating it from Pericom or other legacy sources within the same logical function space.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The PI74FCT651ATRX from Pericom (Diodes Incorporated) shares identical logical functionality and pinout. Verify package compatibility between TQSOP-24 and PDSO24 before substitution. Cross-reference datasheets for minor electrical parameter differences such as propagation delay or drive strength.