| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Package/Case | Packaging | Series | ProductStatus | Type | Features | MemorySize | TimeFormat | DateFormat | Interface | Voltage-Supply | Voltage-SupplyBattery | Current-Timekeeping(Max) | OperatingTemperature | MountingType | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                   
                
                 | 
				
                    RTC-4543SA:B3 ROHSIC RTC CALENDAR 3-WIRE SER 14SOP  |  
                2,741 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.197, 5.00mm Width) | Tape & Reel (TR) | RTC-4543SA | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-4574JE:B ROHSIC REAL TIME CLOCK/CALENDAR  |  
                2,129 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                20-LSSOJ (0.213, 5.40mm Width) | Strip | RTC-4574JE | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-4574NB:B ROHSIC REAL TIME CLOCK/CALENDAR  |  
                2,423 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                22-LFDFN | Strip | - | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-4574SA:B:PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,727 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.197, 5.00mm Width) | Tube | RTC-4574SA | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
| 
                 
                   | 
				
                    RTC-4701JE:B ROHSIC REAL TIME CLOCK/CALENDAR  |  
                3,365 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                20-LSSOJ (0.213, 5.40mm Width) | Strip | - | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | 
| 
                 
                   | 
				
                    RTC-4701NB:B ROHSIC REAL TIME CLOCK/CALENDAR  |  
                3,645 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                22-LFDFN | Strip | - | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-72421A: PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                2,131 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                18-DIP (0.300, 7.62mm) | Bulk | RTC-72421 | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | 
                 
                   
                
                 | 
				
                    RTC-72421B: PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,720 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                18-DIP (0.300, 7.62mm) | Bulk | RTC-72421 | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -10°C ~ 70°C | Through Hole | 
                 
                   
                
                 | 
				
                    RTC-72423A: PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                2,208 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                24-SOIC (0.311, 7.90mm Width) | Bulk | RTC-72423 | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-72423B: PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,879 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                24-SOIC (0.311, 7.90mm Width) | Bulk | RTC-72423 | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | - | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-7301SF:B ROHSIC REAL TIME CLOCK/CALENDAR  |  
                2,771 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                24-SOP (0.213, 5.40mm Width) | Bulk | - | Obsolete | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RTC-7301SF:B0 ROHSIC REAL TIME CLOCK/CALENDAR  |  
                2,217 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                24-SOP (0.213, 5.40mm Width) | Tape & Reel (TR) | - | Obsolete | Clock/Calendar | Alarm | - | - | - | Parallel | 2.4V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
| 
                 
                   | 
				
                    RX-4045SA:AAIC RTC CALENDAR SPI 14SOP  |  
                2,771 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.197, 5.00mm Width) | Tube | RX-4045SA | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
| 
                 
                   | 
				
                    RX-4571LC:B PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,205 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                12-TFSOJ (0.094, 2.40mm Width) | Strip | RX-4571LC | Active | Clock/Calendar | Alarm, Leap Year | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.95µA ~ 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RX-4574LC:B PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,713 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                12-TFSOJ (0.094, 2.40mm Width) | Strip | RX-4574LC | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
| 
                 
                   | 
				
                    RX-4575LC:BIC REAL TIME CLOCK/CALENDAR  |  
                2,948 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                
                     Datasheet  | 
				 
                12-TFSOJ (0.094, 2.40mm Width) | Strip | RX-4575LC | Obsolete | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RX-8581JE:B I2C-BUSIC REAL TIME CLOCK/CALENDAR  |  
                3,600 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                20-LSSOJ (0.213, 5.40mm Width) | Strip | RX-8581JE | Obsolete | Clock/Calendar | Alarm | - | - | - | I²C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RX-8581JE:B0 I2C-BUSIC REAL TIME CLOCK/CALENDAR  |  
                3,157 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                20-LSSOJ (0.213, 5.40mm Width) | Tape & Reel (TR) | RX-8581JE | Obsolete | Clock/Calendar | Alarm | - | - | - | I²C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RX-8581NB:B I2C-BUSIC REAL TIME CLOCK/CALENDAR  |  
                2,985 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                22-LFDFN | Strip | RX-8581NB | Obsolete | Clock/Calendar | Alarm | - | - | - | I²C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    RX-8581NB:B PURE SNIC REAL TIME CLOCK/CALENDAR  |  
                3,456 | 0.00 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                22-LFDFN | Strip | RX-8581NB | Obsolete | Clock/Calendar | Alarm | - | - | - | I²C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount |