Part Datasheet Review
Part Information Review: ATTINY1616-SNR
Package or Case Code says 8-SOIC, but the datasheet, symbol, and footprint are all 20-pin SOIC300 / SRJ.85C, but ATTINY1616-SNR is -40°C to +105°C.20-SOIC300 (SRJ) or equivalent.16 KB Flash, 1.8–5.5 V, and -40°C to +105°C.ATTINY1616-SNR