| M27C400 | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100B1 | 
                                            STMicroelectronics | 
                                            M27C400-100B1 STM IC DIP-40 | 
                                        
                                                                            
                                            | M27C400-100B1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100B6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100F1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100F6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100XB1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100XB6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100XF1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-100XF6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27C400-10F1 | 
                                            STMicroelectronics | 
                                            M27C400-10F1 STM IC ORIGINAL | 
                                        
                                                                            
                                            | M27C400-12F1 | 
                                            STMicroelectronics | 
                                            M27C400-12F1 STM IC DIP32 |