ATTINY416-SF

Overview

The ATTINY416-SF is an 8-bit microcontroller from Microchip Technology's tinyAVR 1 series, featuring a Functional Safety (FuSa) designation. It utilizes the AVR RISC architecture with a maximum clock speed of 20MHz. The device includes 4KB of self-programming flash memory, 256 bytes of SRAM, and 128 bytes of EEPROM. It operates within a voltage range of 1.8V to 5.5V and supports industrial temperatures from -40°C to +105°C. Key peripherals include a 10-bit ADC, 8-bit DAC, USART, SPI, TWI, and a configurable custom logic block.

Feature Summary

• Integrated Functional Safety features for robust system operation
• Configurable Custom Logic (CCL) with programmable look-up tables
• Advanced analog peripherals including a 10-bit ADC and 8-bit DAC
• Comprehensive communication interfaces including USART, SPI, and TWI

Applications

• Industrial control systems requiring functional safety compliance
• Battery-powered devices utilizing low-power sleep modes
• Sensor interface applications using ADC and CCL capabilities
• Communication nodes using USART or SPI protocols

Procurement Notes

Verify the specific suffix 'SF' against the official datasheet to confirm package type and tape/reel specifications. Ensure the order matches the required temperature grade and memory configuration. Cross-reference the manufacturer part number with authorized distributors to confirm current availability and authenticity. Check for any recent product change notices regarding assembly or packaging updates.

Selection Notes

Select this component when a small-footprint 8-bit MCU with functional safety certifications is required. It is suitable for applications needing precise analog conversion via the 10-bit ADC and flexible logic configuration through CCL. Consider the 20MHz performance limit and 4KB memory size for code complexity. Evaluate power consumption requirements against the available sleep modes and internal oscillators.

Part Context

This part belongs to the tinyAVR 1 family, which emphasizes low power consumption and functional safety. It shares architectural similarities with other members like the ATtiny416-MN but differs in packaging and delivery format. The series is designed for cost-sensitive applications requiring reliable operation in industrial and consumer environments.

Replacement Considerations

Direct substitutes may include other variants within the ATtiny416 family with different packages, such as ATTINY416-MN. Verify pin compatibility and memory sizes before substitution. Consult the official cross-reference guide for approved replacements.