| P87C51 | Rochester Electronics | 24,166 | 8-BIT, OTPROM, 8051 CPU | 
                                                                    
                                        | P87C51FA-4A,512 | NXP Semiconductors | 5,800 | IC MCU 8BIT 8KB OTP 44PLCC | 
                                                                    
                                        | P87C51FA-4N | Rochester Electronics | 668 | IC MCU 8BIT | 
                                                                    
                                        | P87C51FA-4N,112 | NXP Semiconductors | 5,800 | IC MCU 8BIT 8KB OTP 40DIP | 
                                                                    
                                        | P87C51FA-5A,512 | NXP Semiconductors | 5,800 | IC MCU 8BIT 8KB OTP 44PLCC | 
                                                                    
                                        | P87C51FA33 | Rochester Electronics | 5,800 | MCS51 CONTROLLER | 
                                                                    
                                        | P87C51FB-4A | Rochester Electronics | 5,800 | IC MCU 8BIT | 
                                                                    
                                        | P87C51FB-4A,512 | Rochester Electronics | 320 | IC MCU 8BIT 16KB OTP 44PLCC | 
                                                                    
                                        | P87C51FB-4B,557 | NXP Semiconductors | 5,800 | IC MCU 8BIT 16KB OTP 44PQFP | 
                                                                    
                                        | P87C51FB-4N | Rochester Electronics | 5,800 | IC MCU 8BIT | 
                                                                    
                                        | P87C51FB-4N,112 | NXP Semiconductors | 5,800 | IC MCU 8BIT 16KB OTP 40DIP | 
                                                                    
                                        | P87C51FB-5A | Rochester Electronics | 5,800 | IC MCU 8BIT | 
                                                                    
                                        | P87C51FB-5A,512 | NXP Semiconductors | 5,800 | IC MCU 8BIT 16KB OTP 44PLCC | 
                                                                    
                                        | P87C51FC-4A,512 | NXP Semiconductors | 5,800 | IC MCU 8BIT 32KB OTP 44PLCC | 
                                                                    
                                        | P87C51MB2BA/02,529 | NXP Semiconductors | 5,800 | IC MCU 8BIT 64KB OTP 44PLCC |