ATtiny1624, ATtiny1626, ATtiny1627 8-Bit MCUs Microchip Technology ATtiny1624, ATtiny1626, and ATtiny1627 Microcontrollers are part of the tinyAVR® 2 family implementing the AVR® CPU. The ATtiny1624, ATtiny1626, and ATtiny1627 MCUs feature a hardware multiplier, running at up to 20MHz, with 16KB Flash, 2KB of SRAM, and 256B of EEPROM available in a 14-, 20-, and 24-pin package.