SN74ABT652DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ABT652DWR is an octal registered transceiver manufactured by Texas Instruments, designed for asynchronous communication in high-speed digital systems. It operates within a supply voltage range of 4.5V to 5.5V and features three-state outputs to facilitate efficient bus management. The device integrates eight D-type flip-flops with data latching on the positive edge of the clock signal, ensuring synchronized data transfer across the bus. Packaged in a 24-pin Small Outline Integrated Circuit (SOIC) with a standard 0.3-inch width, it supports industrial temperature ranges from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates eight D-type flip-flops for simultaneous data storage and transmission
• Provides independent direction control for bidirectional bus operations
• Features three-state outputs to prevent bus contention during inactive periods
• Latches data on the positive edge of the clock signal for precise timing

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous communication interfaces requiring data buffering
• Memory mapping applications involving address and data buses
• Clock-driven buffered output circuits for system synchronization
• Bus-oriented memory and instrument control architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and temperature rating. Ensure the ordering part number matches the required SOIC-24 configuration. Cross-reference RoHS compliance status and lead times directly with authorized distributors or the manufacturer's current product change notices before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require octal data registration with bidirectional capability. It is suitable for applications needing high-speed data transfer between microprocessors and peripheral devices. Consider the 4.5V to 5.5V operating range and TTL input/output levels to ensure compatibility with existing logic families in the target design architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the Texas Instruments 74ABT series, which utilizes BiCMOS technology to deliver high-speed performance comparable to advanced CMOS while maintaining low power consumption. The SN74ABT652 specifically addresses the need for registered bus transceivers, offering improved noise immunity and faster switching speeds compared to standard LS or ALS logic families in similar applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ABT652ADWR

Buffers, Drivers, Receivers, Transceivers FAQ

How does the SN74ABT652 handle data latching?

Data is latched into the eight D-type flip-flops on the positive edge of the clock signal, allowing for synchronized data capture regardless of input changes.

What is the function of the direction control inputs?

The direction control inputs determine the flow of data, enabling the transceiver to operate in either direction for bidirectional bus communication.