R8A66155SP#T1

Overview

The R8A66155SP#T1 is a 16-bit I/O expander manufactured by Renesas Electronics Corporation. It functions as an interface device designed to expand the number of available input and output ports for microcontrollers or other digital systems. The component is packaged in Bulk format, facilitating integration into various electronic assemblies requiring additional general-purpose I/O capabilities without consuming primary processor pins.

Feature Summary

• Provides 16-bit general-purpose input/output expansion capability
• Serves as an interface bridge between host controllers and peripheral devices
• Designed to reduce pin count requirements on main processing units

Applications

• Microcontroller I/O port expansion in embedded systems
• Interface bridging for peripheral device control
• Digital logic level translation and signal routing

Procurement Notes

Verify that the specific suffix #T1 corresponds to the intended bulk packaging configuration required for your assembly process. Confirm that the manufacturer designation aligns with current Renesas Electronics Corporation standards, as corporate naming conventions may have evolved from previous entities. Ensure compatibility with your system's voltage levels and communication protocols before procurement.

Selection Notes

Select this component when a system requires additional digital I/O lines beyond the capacity of the primary controller. It is suitable for applications where pin availability is constrained but extensive peripheral interfacing is necessary. Evaluate the physical package constraints and ensure the bulk packaging format meets your manufacturing handling requirements.

Part Context

This part belongs to the family of I/O expanders produced by Renesas Electronics Corporation. These devices are engineered to facilitate efficient communication between high-level processors and lower-level peripherals. The product line supports various interface configurations to accommodate different system architectures and connectivity needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with any alternative components regarding bit width, interface protocol, and electrical specifications.