| Parameters | 
                                                                                                                        
                                                | Mfr | Atmel | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Memory Type | Non-Volatile | 
                                                                                    
                                                | Memory Format | EEPROM | 
                                                                                    
                                                | Technology | EEPROM | 
                                                                                    
                                                | Memory Size | 256Kbit | 
                                                                                    
                                                | Memory Organization | 32K x 8 | 
                                                                                    
                                                | Memory Interface | SPI | 
                                                                                    
                                                | Clock Frequency | 20 MHz | 
                                                                                    
                                                | Write Cycle Time - Word, Page | 5ms | 
                                                                                    
                                                | Voltage - Supply | 1.8V ~ 5.5V | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 8-SOIC (0.154", 3.90mm Width) | 
                                                                                    
                                                | Supplier Device Package | 8-SOIC | 
                                                                                    
                                                | Base Product Number | AT25256 | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.32.0051 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                EEPROM Memory IC 256Kbit SPI 20 MHz 8-SOIC