| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Atmel | 
                                    
                                                                        
                                        | Series | 
                                        AVR® ATmega | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Core Processor | 
                                        AVR | 
                                    
                                                                        
                                        | Core Size | 
                                        8-Bit | 
                                    
                                                                        
                                        | Speed | 
                                        20MHz | 
                                    
                                                                        
                                        | Connectivity | 
                                        I²C, SPI, UART/USART | 
                                    
                                                                        
                                        | Peripherals | 
                                        Brown-out Detect/Reset, POR, PWM, WDT | 
                                    
                                                                        
                                        | Number of I/O | 
                                        23 | 
                                    
                                                                        
                                        | Program Memory Size | 
                                        8KB (4K x 16) | 
                                    
                                                                        
                                        | Program Memory Type | 
                                        FLASH | 
                                    
                                                                        
                                        | EEPROM Size | 
                                        512 x 8 | 
                                    
                                                                        
                                        | RAM Size | 
                                        1K x 8 | 
                                    
                                                                        
                                        | Voltage - Supply (Vcc/Vdd) | 
                                        1.8V ~ 5.5V | 
                                    
                                                                        
                                        | Data Converters | 
                                        A/D 6x10b | 
                                    
                                                                        
                                        | Oscillator Type | 
                                        Internal | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -40°C ~ 85°C (TA) | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Through Hole | 
                                    
                                                                        
                                        | Package / Case | 
                                        28-DIP (0.300", 7.62mm) | 
                                    
                                                                        
                                        | Supplier Device Package | 
                                        28-PDIP | 
                                    
                                                                        
                                        | Base Product Number | 
                                        ATMEGA88 | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8542.31.0001 | 
                                    
                                                                        
                                        | Standard Package | 
                                        1 | 
                                    
                                                                                                        
                            
                         
                                                AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 8KB (4K x 16) FLASH 28-PDIP