| Parameters | 
                                
                                                                                                            
                                            | Mfr | 
                                            Microchip Technology | 
                                        
                                                                            
                                            | Series | 
                                            89C | 
                                        
                                                                            
                                            | Package | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Product Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Core Processor | 
                                            80C51 | 
                                        
                                                                            
                                            | Core Size | 
                                            8-Bit | 
                                        
                                                                            
                                            | Speed | 
                                            60MHz | 
                                        
                                                                            
                                            | Connectivity | 
                                            SPI, UART/USART | 
                                        
                                                                            
                                            | Peripherals | 
                                            POR, PWM, WDT | 
                                        
                                                                            
                                            | Number of I/O | 
                                            50 | 
                                        
                                                                            
                                            | Program Memory Size | 
                                            64KB (64K x 8) | 
                                        
                                                                            
                                            | Program Memory Type | 
                                            FLASH | 
                                        
                                                                            
                                            | EEPROM Size | 
                                            2K x 8 | 
                                        
                                                                            
                                            | RAM Size | 
                                            2K x 8 | 
                                        
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 
                                            2.7V ~ 5.5V | 
                                        
                                                                            
                                            | Data Converters | 
                                            - | 
                                        
                                                                            
                                            | Oscillator Type | 
                                            External | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C ~ 85°C (TA) | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            44-LQFP | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            44-VQFP (10x10) | 
                                        
                                                                            
                                            | Base Product Number | 
                                            AT89C51 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS non-compliant | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3  (168 Hours) | 
                                        
                                                                            
                                            | REACH Status | 
                                            REACH Unaffected | 
                                        
                                                                            
                                            | ECCN | 
                                            3A991A2 | 
                                        
                                                                            
                                            | HTSUS | 
                                            8542.31.0001 | 
                                        
                                                                            
                                            | Standard Package | 
                                            1,500 | 
                                        
                                                                                                    
                            
                         
                                                80C51 89C Microcontroller IC 8-Bit 60MHz 64KB (64K x 8) FLASH 44-VQFP (10x10)