| Parameters | 
                                                                                                            
                                            | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                            
                                            | Series | 89C | 
                                                                            
                                            | Package | Tube | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Core Processor | 8051 | 
                                                                            
                                            | Core Size | 8-Bit | 
                                                                            
                                            | Speed | 33MHz | 
                                                                            
                                            | Connectivity | EBI/EMI, SIO, UART/USART | 
                                                                            
                                            | Peripherals | Power-Fail Reset, WDT | 
                                                                            
                                            | Number of I/O | 32 | 
                                                                            
                                            | Program Memory Size | 16KB (16K x 8) | 
                                                                            
                                            | Program Memory Type | FLASH | 
                                                                            
                                            | EEPROM Size | - | 
                                                                            
                                            | RAM Size | 1K x 8 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 
                                                                            
                                            | Data Converters | - | 
                                                                            
                                            | Oscillator Type | External | 
                                                                            
                                            | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 44-LCC (J-Lead) | 
                                                                            
                                            | Supplier Device Package | 44-PLCC (16.59x16.59) | 
                                                                            
                                            | Base Product Number | DS89C420 | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | REACH Status | REACH Unaffected | 
                                                                            
                                            | ECCN | 5A002A1 | 
                                                                            
                                            | HTSUS | 8542.31.0001 | 
                                                                            
                                            | Standard Package | 26 | 
                                                                                                    
                            
                         
                                                8051 89C Microcontroller IC 8-Bit 33MHz 16KB (16K x 8) FLASH 44-PLCC (16.59x16.59)