| M27V400 | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100B1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100B6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100F1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100F6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100XB1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100XB6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100XF1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V400-100XF6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V401 | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 Low Voltage UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V401-120B1TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 Low Voltage UV EPROM and OTP EPROM IC | 
                                        
                                                                            
                                            | M27V401-120B6TR | 
                                            STMicroelectronics | 
                                            4 Mbit 512Kb x8 Low Voltage UV EPROM and OTP EPROM IC |