| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Applications | Memory Type | Memory Size | Operating Temperature | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 
                 
                 | 
				
                    DS1990R-F5#IBUTTON SERIAL NUMBER F5 Analog Devices Inc./Maxim Integrated  |  
                947 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bulk | Active | Product Identification | ROM | 8B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1990A-F3+IC IBUTTON SERIAL NUMBER F3 Analog Devices Inc./Maxim Integrated  |  
                1,185 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bag | Active | Product Identification | ROM | 8B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1972-F5+IBUTTON EEPROM 1KBIT F5 Analog Devices Inc./Maxim Integrated  |  
                4,103 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Case | Active | User/Product Authentication | EEPROM | 128B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1990A-F5+IBUTTON SERIAL NUMBER F5 Analog Devices Inc./Maxim Integrated  |  
                709 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bag | Active | Product Identification | ROM | 8B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1971-F5+IBUTTON EEPROM 256BIT F5 Analog Devices Inc./Maxim Integrated  |  
                2,966 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bag | Active | User/Product Authentication | EEPROM | 32B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1961S-F5+IBUTTON EEPROM 1KBIT F5 Analog Devices Inc./Maxim Integrated  |  
                444 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bulk | Active | User/Product Authentication | EEPROM | 128B | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1904L-F5#IBUTTON RTC F5 MICROCAN Analog Devices Inc./Maxim Integrated  |  
                662 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bulk | Active | Real Time Clock/Calendar (RTC) | - | - | -40°C ~ 85°C | 
| 
                 
                 | 
				
                    DS1992L-F5+IBUTTON MEMORY 1KBIT F5 Analog Devices Inc./Maxim Integrated  |  
                582 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bag | Active | Product Data | NVRAM | 128B | -40°C ~ 70°C | 
| 
                 
                 | 
				
                    DS1993L-F5+IBUTTON MEMORY 4KBIT F5 Analog Devices Inc./Maxim Integrated  |  
                320 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bulk | Active | Product Data | NVRAM | 512B | -40°C ~ 70°C | 
| 
                 
                 | 
				
                    DS1995L-F5+IBUTTON MEMORY 16KBIT F5 Analog Devices Inc./Maxim Integrated  |  
                23 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                iButton® | Bag | Active | Product Data | NVRAM | 2KB | -40°C ~ 70°C |