RNA53A27FUS#H1

Overview

The Renesas RNA53A27FUS#H1 is a CMOS system reset IC designed for peripheral monitoring in PC and MCU applications. It features an open-drain output format and operates within a compact SSOP package measuring 2 x 2 x 0.9 mm. The device functions as a dedicated application-specific reset controller, providing reliable power supply supervision and system monitoring capabilities for digital electronics.

Feature Summary

• Provides system monitoring and power supply supervision functions
• Features CMOS open-drain output format
• Designed specifically for peripheral reset control in PC and MCU environments

Applications

• Peripheral reset control for Personal Computers
• System reset management for Microcontroller Units
• Digital circuit power supply supervision

Procurement Notes

Verify the specific suffix and package type against current official documentation to ensure compatibility with design requirements. Confirm availability status as components may be subject to discontinuation or lifecycle changes. Cross-reference pinouts and electrical characteristics with the latest manufacturer datasheet before integration.

Selection Notes

Select this component when a dedicated CMOS reset IC with open-drain output is required for low-voltage digital systems. The compact SSOP form factor suits space-constrained designs. Ensure the target application aligns with the specified peripheral reset functionality for PCs and MCUs rather than general-purpose logic control.

Part Context

This part belongs to Renesas' Application Specified Reset IC family, focusing on system reliability through precise voltage monitoring. It complements broader embedded processing solutions by handling critical reset sequencing tasks independently of the main processor core.

Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Do not assume functional equivalence with generic reset controllers without validating pinout and timing specifications.