Microchip Manufacturer 8-bit Microcontrollers - MCU Product Category SMD/SMT Mounting Style TQFP-44 Package / Case ATmega16A Series AVR Core 8 bit Data Bus Width 16 MHz Maximum Clock Frequency 16 kB Program Memory Size 1 kB Data RAM Size 32 I/O Number of I/Os 2. 7 V to 5.5 V Operating Supply Voltage - 40 C Minimum Operating Temperature + 85 C Maximum Operating Temperature Tray Packaging 1 mm Height 10 mm Length MCU Product Flash Program Memory Type 10 mm Width Microchip Technology / Atmel Brand SRAM Data RAM Type 512 B Data ROM Size EEPROM Data ROM Type 2-Wire, SPI, USART Interface Type Yes Moisture Sensitive 3 Timer Number of Timers/Counters megaAVR Processor Series 8-bit Microcontrollers - MCU Product Type AVR Tradename >