| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                   
                
                 | 
				
                    RTC-4543SA:A:PURE SNIC RTC CLK/CALENDAR SER 14SOP  |  
                2,618 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Strip | Obsolete | Not Verified | Clock/Calendar | - | - | - | - | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    RTC-4543SA:A3:PURE SNIC RTC CLK/CALENDAR SER 14SOP  |  
                1,021 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | - | - | - | - | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    RTC-4543SA:B0:PURE SNIC RTC CLK/CALENDAR SER 14SOP  |  
                4,253 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | - | - | - | - | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    RTC-4574SA:B0:PURE SNIC RTC CLK/CALENDAR SER 14SOP  |  
                1,202 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RTC-4574SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    RX-8581SA:B0:PURE SNIC RTC CLK/CALENDAR I2C 14SOP  |  
                4,252 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RX-8581SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    RX-8581SA:B:PURE SNIC RTC CLK/CALENDAR I2C 14SOP  |  
                4,655 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                RX-8581SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
                 
                   
                
                 | 
				
                    MAX31341BEWC+IC RTC CLK/CALENDAR I2C 12WLP  |  
                1,517 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 12-WFBGA, WLBGA | Strip | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | 64B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 0.33µA ~ 0.39µA @ 1.6V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 12-WLP (2.14x1.56) | 
                 
                   
                
                 | 
				
                    DS1306EN+T&R/C04IC INTEGRATED CIRCUIT  |  
                4,622 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                   
                
                 | 
				
                    1337ACSRIIC RTC CLK/CALENDAR I2C 16SOIC  |  
                1,560 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | 1.3V ~ 3.7V | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC | 
                 
                   
                
                 | 
				
                    1337CSRIIC RTC CLK/CALENDAR I2C 16SOIC  |  
                4,934 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | 1.3V ~ 3.7V | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC | 
                 
                   
                
                 | 
				
                    1337CSRI8IC RTC CLK/CALENDAR I2C 16SOIC  |  
                2,992 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 5.5V | 1.3V ~ 3.7V | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC | 
                 
                   
                
                 | 
				
                    1338A-31DVGIIC RTC CLK/CALENDAR I2C 8TSSOP  |  
                3,156 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56b | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 5µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    1338A-31DVGI8IC RTC CLK/CALENDAR I2C 8TSSOP  |  
                1,807 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56b | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 5µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    1339A-31DVGIIC RTC CLK/CALENDAR I2C 8TSSOP  |  
                2,568 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    1339A-31DVGI8IC RTC CLK/CALENDAR I2C 8TSSOP  |  
                2,417 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    1339B-31DVGIIC RTC CLK/CALENDAR I2C 8TSSOP  |  
                3,383 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    1339B-31DVGI8IC RTC CLK/CALENDAR I2C 8TSSOP  |  
                4,662 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
                 
                   
                
                 | 
				
                    ISL12028IBZ-TIC RTC CLK/CALENDAR I2C 14SOIC  |  
                4,163 | 0.69 | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                - | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOIC | 
                 
                   
                
                 | 
				
                    V3023SO28A+IC RTC CLOCK/CALENDAR 28SOIC  |  
                1,830 | - | 
                
                     | 
                 
                  
                  
                     -  | 	
	
                
                - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 8B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | - | 2V ~ 5.5V | - | 15µA @ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 28-SOIC | 
                 
                   
                
                 | 
				
                    RA-4565SA B3 PURE SNIC RTC CLK/CALENDAR SPI 14SOP  |  
                3,663 | - | 
                
                     | 
                 
                  
                  
                    
                       Datasheet  | 	
	
                
                - | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS | YY-MM-DD-dd | SPI, 4-Wire Serial | 1.6V ~ 5.5V | - | 1.6µA ~ 2µA @ 3V ~ 5V | -40°C ~ 125°C | Surface Mount | Automotive | AEC-Q200 | 14-SOP |