ATTINY816-SF

Overview

The ATTINY816-SF is an 8-bit AVR microcontroller from Microchip Technology, featuring a 20-VQFN (3x3) package. It integrates 8KB of system programmable flash memory, 512 bytes of SRAM, and 128 bytes of EEPROM. The device operates at clock frequencies up to 20MHz with a supply voltage range of 1.8V to 5.5V. Key peripherals include a 10-bit ADC, USART, SPI, TWI interfaces, and a 16-bit Timer/Counter Type A.

Feature Summary

• AVR high-performance architecture with single-cycle I/O access
• Integrated capacitive touch sensing via Peripheral Touch Controller
• Configurable Custom Logic for complex digital functions
• Low power operation with multiple sleep modes

Applications

• Battery-powered sensor nodes
• Capacitive touch interface controllers
• Industrial control systems
• Smart home appliances

Procurement Notes

Verify the specific suffix 'SF' against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with UPDI programming tools. Check RoHS compliance status in the datasheet before procurement.

Selection Notes

Select this component for applications requiring integrated touch sensing and low power consumption. Compare pin counts and peripheral sets with ATTINY416 or ATTINY817 variants if different I/O requirements exist. Verify voltage levels match the target application.

Part Context

Part of the tinyAVR 1-series family designed for cost-sensitive embedded applications. Offers enhanced analog performance and touch capabilities compared to previous generations. Suitable for replacing legacy 8-bit MCUs in modern designs.

Replacement Considerations

Check pin-to-pin compatibility with ATTINY816-MF or ATTINY816-SS variants. Verify software compatibility when migrating from older AVR architectures.