SN74AS646NTG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AS646NTG4 is an octal bus transceiver and register featuring three-state outputs, manufactured by Texas Instruments. It operates within a voltage range of 2V to 5.5V and supports bidirectional data transfer across eight bits. The device integrates a clock (C) input for data storage and includes an output enable (OE) control. Designed for high-speed applications, it utilizes Advanced Schottky (AS) technology to minimize propagation delay while maintaining low power consumption. The component is housed in a 24-pin PDIP package and is compliant with RoHS standards.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight-bit bidirectional data transmission capability
• Integrated register functionality controlled by a dedicated clock input
• Three-state outputs allowing direct connection to system buses
• Advanced Schottky technology ensuring high-speed operation with reduced power dissipation

Buffers, Drivers, Receivers, Transceivers Applications

• High-performance memory mapping systems
• Clock-driven buffered registers in digital logic circuits
• Bidirectional bus architectures requiring data latching

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and lead-free construction as per Texas Instruments documentation. Confirm the package type matches the required 24-pin DIP footprint for your PCB layout. Ensure the operating voltage requirements align with your system's 2V to 5.5V supply rails. Check for any recent product change notices or lifecycle status updates directly from the manufacturer before finalizing procurement plans.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal bus transceiver with integrated registration is required for bidirectional data paths. The AS series offers faster switching speeds compared to standard LS or HC families, making it suitable for high-frequency interfaces. Consider the 24-pin DIP package if through-hole mounting is necessary. Evaluate the 3-state output characteristics to ensure compatibility with your bus contention management strategy.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments 74AS646 family of octal bus transceivers. It is functionally similar to other variants like the SN74AS646N but distinguished by its RoHS-compliant 'G4' suffix. The device serves as a bridge between microprocessors and peripheral devices, facilitating reliable data transfer in complex digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74AS646N is a non-RoHS equivalent offering identical electrical performance. Verify pinout compatibility and package dimensions before substitution. Other family members may lack the specific RoHS certification or slight parameter variations.