| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                 
                
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                    R2051S02-E2-FHIGH PRECISION I2C-BUS REAL-TIME Nisshinbo Micro Devices Inc.  |  
                4,829 | 0.89 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
                 | 
				
                    R2051S03-E2-FHIGH PRECISION I2C-BUS REAL-TIME Nisshinbo Micro Devices Inc.  |  
                2,799 | 0.89 | 
                
                     | 
                  
                  
                    
                       Datasheet  | 	
                
                * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
                 | 
				
                    RS5C372B-E2-FIC RTC CLK/CALENDAR I2C 8SSOP Nisshinbo Micro Devices Inc.  |  
                2,574 | 0.84 | 
                
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                       Datasheet  | 	
                
                - | 8-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 6V | - | 0.9µA ~ 2µA @ 3V ~ 6V | -40°C ~ 85°C | Surface Mount | - | - | 8-SSOP | 
                 
                 
                
                 | 
				
                    RV5C387A-E2-FIC RTC CLK/CALENDAR I2C 10SSOP Nisshinbo Micro Devices Inc.  |  
                1,231 | 1.65 | 
                
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                       Datasheet  | 	
                
                - | 10-LFSOP, 10-MSOP (0.110", 2.80mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2V ~ 5.5V | - | 0.8µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SSOP-G | 
                 
                 
                
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                    NJU6355EDIC RTC CLK/CALENDAR SER 8DIP Nisshinbo Micro Devices Inc.  |  
                3,573 | 0.00 | 
                
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                       Datasheet  | 	
                
                - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4-Wire Serial | 4.5V ~ 5.5V | - | 4µA ~ 15µA @ 2V ~ 5V | -30°C ~ 80°C | Through Hole | - | - | 8-DIP | 
                 
                 
                
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                    NJU6355EMIC RTC CLK/CALENDAR SER 8EMP Nisshinbo Micro Devices Inc.  |  
                3,846 | 0.00 | 
                
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                       Datasheet  | 	
                
                - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4-Wire Serial | 4.5V ~ 5.5V | - | 4µA ~ 15µA @ 2V ~ 5V | -30°C ~ 80°C | Surface Mount | - | - | 8-EMP | 
                 
                 
                
                 | 
				
                    RS5C316B-E2-FBWIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.  |  
                1,590 | 
                
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                     -  | 	
                
                - | 8-LSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD | Parallel, Serial | 2.5V ~ 6V | - | 1.5µA ~ 2µA @ 3V ~ 6V | -40°C ~ 85°C | Surface Mount | - | - | 8-SSOP | |
                 
                 
                
                 | 
				
                    RV5C348A-E2-FBWIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.  |  
                3,155 | 
                
                     | 
                  
                  
                     -  | 	
                
                - | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
                 
                 
                
                 | 
				
                    RS5C338A-E2-FBWIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.  |  
                2,005 | 
                
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                     -  | 	
                
                - | 10-LFSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm, Leap Year | 8B | HH:MM:SS (12/24 hr) | YY-MM-DD | 3-Wire Serial | 2V ~ 5.5V | - | 0.8µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SSOP | |
                 
                 
                
                 | 
				
                    RS5C313-E2-FWIRE INTERFACE REAL-TIME CLOCK Nisshinbo Micro Devices Inc.  |  
                3,563 | 
                
                     | 
                  
                  
                     -  | 	
                
                - | 8-LSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD | - | 2.7V ~ 6V | - | 1.5µA ~ 2µA @ 3V ~ 5.5V | -30°C ~ 80°C | Surface Mount | - | - | 8-SSOP |