SN74BCT8245ADW

Specialty Logic Overview

The SN74BCT8245ADW is an octal bus transceiver with boundary-scan capabilities, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and features three-state outputs. The device supports bidirectional data transfer across eight channels. It is housed in a 24-pin SOIC (DW) package. The component integrates IEEE Std 1149.1 JTAG boundary-scan logic for test access. It functions as a scan test device combining bus transceivers with standard logic interface requirements.

Specialty Logic Feature Summary

• Integrates IEEE Std 1149.1 JTAG boundary-scan architecture for automated testing
• Provides octal bidirectional bus transceiver functionality with three-state outputs
• Supports high-speed data transfer via BCT logic family characteristics

Specialty Logic Applications

• JTAG boundary-scan test infrastructure
• Automated test equipment (ATE) interfaces
• System-level board verification and debugging

Specialty Logic Procurement Notes

Verify the specific suffix 'A' and package code 'DW' against the manufacturer's current datasheet to ensure compatibility with design specifications. Confirm that the component status aligns with project lifecycle requirements, as availability may be limited due to end-of-life considerations. Ensure all electrical parameters match the target system voltage and timing constraints before finalizing procurement decisions.

Specialty Logic Selection Notes

Select this component when both bidirectional data buffering and standardized boundary-scan test access are required on a single integrated circuit. The SN74BCT8245ADW is suitable for designs needing to reduce component count by combining transceiver and test logic functions. Consider the 24-pin SOIC package dimensions and pinout compatibility during PCB layout planning to ensure proper integration into the target system architecture.

Specialty Logic Part Context

This part belongs to the SN74BCT series, which utilizes BiCMOS technology for improved performance over standard TTL. The SN74BCT8245 variant specifically adds boundary-scan capabilities to the standard octal bus transceiver function. It serves as a specialized logic IC designed for manufacturing testability and system diagnostics in complex electronic assemblies requiring JTAG compliance.

Specialty Logic Replacement Considerations

Public confirmed substitute part numbers: None identified.