RoHS: yes. Maximum CPU clock frequency: 20 MHz. Number of I/O: 16. Program storage memory: 2048x14 bit. Program storage memory type: 'FLASH' memory. Storage memory capacity: 224 Byte/128 Byte. Storage memory type: SRAM/EEPROM. Digital peripheral circuits: WDT, PWM. Digital interface circuits: USART. Analog peripheral circuits: Voltage comparator. Minimum supply voltage (V): +3V. Maximum supply voltage (V): +5.5V. Operating temperature range min (°C): 0°C. Operating temperature range max (°C): +70°C. Conditioning: plastic tube. Conditioning unit: 25. Note: 2Kx14 ​​program memory. Note: 'FLASH' memory. Number of terminals: 18. Assembly/installation: PCB through-hole mounting. Housing: DIP. Housing (according to data sheet): DIP-18