ATTINY416-SNR

Overview

The ATTINY416-SNR is an 8-bit microcontroller from Microchip Technology, based on the AVR core and part of the tinyAVR-1 series. It features a maximum clock frequency of 20 MHz and includes 4 kB of program memory with 256 bytes of data RAM. The device offers 18 I/O lines and operates within a supply voltage range of 1.8 V to 5.5 V. It supports interfaces including I2C, SPI, and USART, and provides a 10-bit ADC resolution. The component is housed in a SOIC package and is rated for industrial temperatures between -40°C and +105°C.

Feature Summary

• High-performance 8-bit AVR RISC architecture capable of executing instructions in a single cycle at up to 20 MHz.
• Integrated analog peripherals including a 10-bit ADC and an 8-bit DAC for signal processing applications.
• Advanced timer/counter modules featuring TCA, TCB, and TCD configurations for precise control tasks.
• Configurable Custom Logic (CCL) allowing implementation of complex digital functions without CPU intervention.

Applications

• Industrial control systems requiring robust peripheral integration
• Battery-powered devices utilizing low-power sleep modes
• Sensor interface circuits using ADC and comparator capabilities
• Communication nodes employing USART or SPI protocols

Procurement Notes

Verify the specific suffix 'SNR' against official Microchip documentation to confirm the tape-and-reel packaging configuration and temperature grade. Ensure compatibility with your PCB footprint by checking the SOIC package dimensions in the mechanical drawings. Confirm that the selected variant meets all required environmental and electrical specifications for your target application before finalizing procurement.

Selection Notes

Select this component when a balance of moderate flash memory and rich peripheral sets is needed for cost-sensitive designs. Consider the tinyAVR-1 architecture for its enhanced event system and SleepWalking capabilities compared to older generations. Evaluate the 1.8V to 5.5V operating range to ensure it aligns with your system's power supply constraints and noise margins.

Part Context

This microcontroller belongs to the tinyAVR-1 family, which emphasizes high efficiency and advanced analog features in a compact form factor. It serves as a successor to previous AVR generations, offering improved performance per megahertz and enhanced security features. The series is designed for applications demanding reliable operation in industrial and consumer environments with strict size and power limitations.

Replacement Considerations

Check for direct pin-compatible upgrades within the ATtiny4xx series, such as variants with increased memory. Verify if legacy parts like the ATtiny45 require significant schematic modifications due to architectural differences. Consult Microchip's product transition notices for any recommended obsolescence alternatives.