ATTINY461-15XZ

Overview

The ATTINY461-15XZ is an automotive-grade 8-bit AVR microcontroller featuring 4K bytes of in-system programmable Flash, 256 bytes of EEPROM, and 256 bytes of SRAM. It operates within a voltage range of 2.7V to 5.5V and supports clock frequencies up to 16MHz at 4.5V–5.5V or 8MHz at 2.7V–5.5V. The device utilizes a 20-pin MLF package and functions across an extended temperature range of –40°C to +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• Advanced RISC architecture enabling single-cycle instruction execution
• Integrated 10-bit ADC with multiple differential channel configurations
• In-system programmable via SPI interface

Applications

• Automotive electronic control units
• Sensor interface modules
• Industrial automation controllers

Procurement Notes

Verify the specific suffix 'XZ' against official Microchip documentation to confirm the MLF package type and automotive grade designation. Ensure that the required operating temperature range and voltage specifications align with the target application environment before finalizing procurement.

Selection Notes

Select this component for applications requiring robust performance under harsh environmental conditions. The automotive qualification ensures reliability, while the high-speed timer and analog comparator support precise signal processing tasks without external components.

Part Context

This part belongs to the ATtiny261/461/861 family of automotive microcontrollers. It shares architectural similarities with standard commercial variants but includes enhanced thermal stability and rigorous quality assurance processes mandated by ISO-TS 16949 for automotive use cases.

Replacement Considerations

Consult official substitution lists for equivalent automotive-grade parts. Verify pin compatibility and memory sizes when considering alternatives from other manufacturers.