SN74ABT8646DWRG4

Specialty Logic Overview

The SN74ABT8646DWRG4 is an octal bus transceiver and register device from the Texas Instruments SCOPE family. It operates within a supply voltage range of 4.5 V to 5.5 V. The component utilizes a 28-SOIC surface-mount package. It supports an operating temperature range from -40°C to +85°C. This integrated circuit combines bidirectional data transfer capabilities with storage functionality for high-speed digital applications.

Specialty Logic Feature Summary

• Integrates octal bus transceiver and register functions in a single package
• Supports scan test architecture for enhanced manufacturing verification
• Provides bidirectional data transmission between external buses and internal registers

Specialty Logic Applications

• Scan test pattern generation and response analysis
• High-speed data bus interfacing systems
• Register-based data buffering applications

Specialty Logic Procurement Notes

Verify the specific suffix 'RG4' against current manufacturer documentation, as it may indicate RoHS compliance or specific packaging variations. Confirm availability status, as this part number has been identified as obsolete in some distributor channels. Ensure the 28-SOIC package footprint matches the target PCB design requirements before finalizing procurement decisions.

Specialty Logic Selection Notes

Select this component when a combined bus transceiver and register solution is required for scan testing environments. The ABT series offers balanced performance for moderate-speed applications. Consider the 28-SOIC package constraints and the 4.5V to 5.5V power supply requirements during system design. Evaluate alternative active parts if long-term supply stability is a critical project constraint.

Specialty Logic Part Context

This device belongs to the SN74ABT8646 series, which features complementary MOS technology. The SCOPE designation indicates its optimization for scan test architectures. It serves as a specialty logic IC designed to facilitate efficient data movement and storage within complex digital circuits requiring bus management capabilities.

Specialty Logic Replacement Considerations

The SN74ABT8646DW is listed as a direct substitute available through secondary markets. Verify pin compatibility and electrical specifications before substitution. Note that the original DWRG4 variant is obsolete, making direct replacement sourcing dependent on remaining stock or equivalent active components.