| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                   
                
                 | 
				
                    ISL12027IB30AZ-TRTC, NON-VOLATILE  |  
                3,000 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Bulk | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12027IB27AZRTC, NON-VOLATILE  |  
                2,967 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12028IB27ZRTC, VOLATILE  |  
                2,348 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12029IB27Z-TRTC, NON-VOLATILE, 1 TIMER(S)  |  
                2,290 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.154, 3.90mm Width) | Bulk | - | Obsolete | 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 | 
| 
                 
                   | 
				
                    ISL12027IV27Z-TRTC, NON-VOLATILE  |  
                1,838 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-TSSOP (0.173, 4.40mm Width) | Bulk | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12027IB30AZRTC, NON-VOLATILE  |  
                1,584 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12028IV27Z-TRTC, VOLATILE  |  
                1,427 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-TSSOP (0.173, 4.40mm Width) | Bulk | - | Obsolete | 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 | 
| 
                 
                   | 
				
                    ISL12027IVZ-TRTC, NON-VOLATILE  |  
                1,265 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-TSSOP (0.173, 4.40mm Width) | Bulk | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    ISL12028IBZ-TRTC, VOLATILE  |  
                1,158 | 3.47 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.154, 3.90mm Width) | Bulk | - | Obsolete | 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 | 
                 
                   
                
                 | 
				
                    DS1339C-2DS1339 I2C SERIAL RTC  |  
                1,661 | 3.48 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | 
                 
                   
                
                 | 
				
                    DS1685E-3/TRDS1685 5V REAL-TIME CLOCK  |  
                1,246 | 3.60 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | 
                 
                   
                
                 | 
				
                    DS1302SN-16/TRTRICKLE-CHARGE TIMEKEEPING CHIP  |  
                2,750 | 3.74 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | 
| 
                 
                   | 
				
                    ISL12025IVZ-TRTC, NON-VOLATILE  |  
                11,777 | 3.83 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                8-TSSOP (0.173, 4.40mm Width) | Bulk | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Supervisor, Unique ID, 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 | 
                 
                   
                
                 | 
				
                    ISL12023IVZRTC, NON-VOLATILE  |  
                3,788 | 3.87 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-TSSOP (0.173, 4.40mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, SRAM | 128B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 14µA ~ 15µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    BQ4285EPRTC, VOLATILE  |  
                6,270 | 4.19 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                24-DIP (0.600, 15.24mm) | Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 300µA @ 5V | 0°C ~ 70°C | Through Hole | 
                 
                   
                
                 | 
				
                    DS12885Q/T&RRTC, NON-VOLATILE  |  
                2,500 | 4.48 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                28-LCC (J-Lead) | Bulk | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | - | - | Surface Mount | 
                 
                   
                
                 | 
				
                    CDP68HC68T1M96SERIAL RTC WITH RAM  |  
                2,131 | 5.65 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                20-SOIC (0.295, 7.50mm Width) | Bulk | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3V ~ 6V | 2.2V ~ 6V | 20µA ~ 500µA @ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    UPD4991AGS-ARTC, VOLATILE, 1 TIMER(S) PDSO  |  
                9,995 | 6.02 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | 
                 
                   
                
                 | 
				
                    RX-8025SA:AA3IC RTC CLK/CALENDAR I2C 14-SOP  |  
                3,747 | 8.93 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-8025SA | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                 
                   
                
                 | 
				
                    LV8572ANREAL TIME CLOCK, 0 TIMER(S)  |  
                1,065 | 9.59 | 
                
                    RFQ | 
               
                
                  
                    
                 
                     Datasheet  | 
				 
                - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - |