| Photo | Mfr. Part # | Stock | Price | Quantity | Datasheet | Package/Case | Packaging | Series | ProductStatus | Type | Features | MemorySize | TimeFormat | DateFormat | Interface | Voltage-Supply | Voltage-SupplyBattery | Current-Timekeeping(Max) | OperatingTemperature | MountingType | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                
                     
                
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                    RX-8571LCB0 PURE SNIC RTC CLK/CALENDAR I2C 12-VSOJ  |  
                900 | 3.76 | 
                
                    
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                     Datasheet  | 
				 
                12-TFSOJ (0.094, 2.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-8571LC | Active | Clock/Calendar | Alarm, Leap Year, RAM | 16B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.6V ~ 5.5V | - | 0.55µA ~ 0.6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ISL1220IUZ-TIC RTC CLK/CALENDAR I2C 10-MSOP  |  
                3436 | 3.79 | 
                
                    
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                     Datasheet  | 
				 
                10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Last Time Buy | Clock/Calendar | Alarm, Leap Year, SRAM | 8B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ISL1218IBZIC RTC CLK/CALENDAR I2C 8-SOIC  |  
                780 | 3.79 | 
                
                    
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                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM | 8B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    RX-8581NB:B3IC RTC CLK/CALENDAR I2C 22-SON  |  
                1629 | 5.49 | 
                
                    
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                     Datasheet  | 
				 
                22-SMD, 20 Leads, Flat Leads | Tape & Reel (TR),Cut Tape (CT) | RX-8581NB | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    RX-8581NB:B3 PURE SNIC RTC CLK/CALENDAR I2C 22-SON  |  
                500 | 5.49 | 
                
                    
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                     Datasheet  | 
				 
                22-LFDFN | Tape & Reel (TR),Cut Tape (CT) | RX-8581NB | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
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                    RX-4571SA:B3 PURE SNIC RTC CLK/CALENDAR SER 14-SOP  |  
                247 | 3.88 | 
                
                    
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                     Datasheet  | 
				 
                14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-4571SA | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.95µA ~ 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1338U-33+T&RIC RTC CLK/CALENDAR I2C 8-USOP  |  
                881 | 4.05 | 
                
                    
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                     Datasheet  | 
				 
                8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 3V ~ 5.5V | 1.3V ~ 3.7V | 125µA ~ 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    M41T83ZQA6FIC RTC CLK/CALENDAR I2C 16-QFN  |  
                370 | 4.29 | 
                
                    
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                     Datasheet  | 
				 
                16-VQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.38V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | 
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                    DS1302SN+T&RIC RTC CLK/CALENDAR SER 8-SOIC  |  
                915 | 4.37 | 
                
                    
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                     Datasheet  | 
				 
                8-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Leap Year, NVSRAM, Trickle-Charger | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2V ~ 5.5V | 2V ~ 5.5V | 0.3µA ~ 1µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ISL1208IB8Z-T7AIC RTC CLK/CALENDAR I2C 8-SOIC  |  
                245 | 4.47 | 
                
                    
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                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, SRAM | 2B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ISL1221IUZ-TIC RTC EVENT REC I2C 10-MSOP  |  
                1238 | 4.66 | 
                
                    
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                     Datasheet  | 
				 
                10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Last Time Buy | Time Event Recorder | Alarm, Leap Year, SRAM | 2B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1344E-18+T&RIC RTC CLK/CALENDAR SPI 20-TSSOP  |  
                2166 | 4.69 | 
                
                    
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                     Datasheet  | 
				 
                20-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1343D-18+T&RIC RTC CLK/CAL SPI 14TDFN  |  
                2200 | 4.77 | 
                
                    
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                     Datasheet  | 
				 
                14-WFDFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1343E-18+T&RIC RTC CLK/CALENDAR SPI 20-TSSOP  |  
                2342 | 5.06 | 
                
                    
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                     Datasheet  | 
				 
                20-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ISL12024IBZIC RTC CLK/CALENDAR I2C 8-SOIC  |  
                980 | 5.43 | 
                
                    
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                     Datasheet  | 
				 
                8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Unique ID | - | 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 | 
                
                     
                
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                    DS1343E-3+T&RIC RTC CLK/CALENDAR SPI 20-TSSOP  |  
                1561 | 5.56 | 
                
                    
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                     Datasheet  | 
				 
                20-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2.7V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1343D-33+T&RIC RTC CLK/CAL SPI 14TDFN  |  
                1155 | 5.56 | 
                
                    
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                     Datasheet  | 
				 
                14-WFDFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3V ~ 5.5V | 1.3V ~ 5.5V | 120µA ~ 160µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1344D-18+T&RIC RTC CLK/CAL SPI 14TDFN  |  
                648 | 5.56 | 
                
                    
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                     Datasheet  | 
				 
                14-WFDFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    DS1344D-3+T&RIC RTC CLK/CAL SPI 14TDFN  |  
                3920 | 5.75 | 
                
                    
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                     Datasheet  | 
				 
                14-WFDFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2.7V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | 
                
                     
                
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                    ECS-RTC-3225-5699C3-TRIC RTC CLK/CALENDAR I2C MODULE  |  
                2971 | 5.90 | 
                
                    
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                     Datasheet  | 
				 
                10-SMD, No Lead | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS | YY-MM-DD-dd | I²C, Serial | 2.5V ~ 5V | 1.6V ~ 5V | 4.9µA ~ 5.1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
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