Product Range:Avr Atmega Family Atmega64 Series Microcontrollers; Operating Frequency Max:8Mhz; Program Memory Size:64Kb; No. Of Pins:64Pins; Ic Case/Package:Mlf; No. Of I/O S:53I/O S; Interfaces:I2C, Spi, Uart; Ram Memory Size:4Kbrohs Compliant: Yes |Microchip Technology ATMEGA64L-8MU.