| Parameters | 
                                                                                                                        
                                                | Mfr | Analog Devices Inc./Maxim Integrated | 
                                                                                    
                                                | Series | 87C | 
                                                                                    
                                                | 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 | OTP | 
                                                                                    
                                                | 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 | 52-LCC (J-Lead) | 
                                                                                    
                                                | Supplier Device Package | 52-PLCC (19.13x19.13) | 
                                                                                    
                                                | Base Product Number | DS87C530 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | 3A991A2 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 23 | 
                                                                                                                
                                
                             
                                                8051 87C Microcontroller IC 8-Bit 33MHz 16KB (16K x 8) OTP 52-PLCC (19.13x19.13)