| Photo | Mfr. Part # | Availability | Quantity | Datasheet | RoHs | 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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                    RTC-8564JE:B0 ROHSIC RTC CLK/CALENDAR I2C 20VSOJ  |  
                1,673 | 
                
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                       Datasheet  | 
                  	     RTC-8564JE | 20-LSSOJ (0.213", 5.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Y2K | - | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.7µA ~ 0.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 20-VSOJ | |
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                    DS1337S+IC RTC CLK/CALENDAR I2C 8SOIC  |  
                1,932 | 
                
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                       Datasheet  | 
                  	     - | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | |
                 
                   
                
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                    RX8900CE:UA0IC RTC CLK/CALENDAR I2C 10SMD  |  
                1,639 | 
                
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                       Datasheet  | 
                  	     RX8900CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 2.5V ~ 5.5V | 1.6V ~ 5.5V | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 10-SMD | |
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                    DS1302SN+IC RTC CLK/CALENDAR SER 8SOIC  |  
                1,317 | 
                
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                       Datasheet  | 
                  	     - | 8-SOIC (0.209", 5.30mm Width) | Tube | Active | Not Verified | 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 | - | - | 8-SOIC | |
                 
                   
                
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                    DS1347T+T&RIC RTC CLK/CALENDAR SPI 8TDFN  |  
                2,513 | 
                
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                       Datasheet  | 
                  	     - | 8-WDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2V ~ 5.5V | - | 0.7µA ~ 0.8µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TDFN (3x3) | |
                 
                   
                
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                    RX8901CE XS B06IC RTC CLK/CALENDAR I2C 10SMD  |  
                1,771 | 
                
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                       Datasheet  | 
                  	     RX8901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD | |
                 
                   
                
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                    MAX31328NELB+IC RTC CLK/CALENDAR I2C 10LGA  |  
                2,156 | 
                
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                       Datasheet  | 
                  	     - | 10-LLGA | Tray | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD | I2C | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 3µA ~ 3.5µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-LGA (5x5) | |
                 
                   
                
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                    DS1394U-33+T&RIC RTC CLK/CALENDAR SPI 10UMAX  |  
                2,467 | 
                
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                       Datasheet  | 
                  	     - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 175µA @ 2.97V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-uMAX/uSOP | |
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                    DS1338Z-3+T&RIC RTC CLK/CALENDAR I2C 8SOIC  |  
                2,867 | 
                
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                       Datasheet  | 
                  	     - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | |
                 
                   
                
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                    RX-4045SAAA3 PURE SNIC RTC CLK/CALENDAR SPI 14SOP  |  
                2,010 | 
                
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                       Datasheet  | 
                  	     RX-4045SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | 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 | - | - | 14-SOP | |
                 
                   
                
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                    ISL12022IBZ-T7AIC RTC CLK/CALENDAR I2C 8SOIC  |  
                2,293 | 
                
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                       Datasheet  | 
                  	     - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 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 | - | - | 8-SOIC | |
                 
                   
                
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                    ECS-RTC-3225-5699HS-TRIC RTC CLK/CALENDAR I2C 10SMD  |  
                2,433 | 
                
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                       Datasheet  | 
                  	     - | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | - | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5V, 2.5V ~ 5V | 1.6V ~ 5V | 0.5µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SMD | |
                 
                   
                
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                    DS1308U-33+TIC RTC CLOCK/CALENDAR I2C 8UMAX  |  
                2,288 | 
                
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                       Datasheet  | 
                  	     - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 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 ~ 5.5V | 125µA ~ 200µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP | |
                 
                   
                
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                    RX-8571LC:B3 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ  |  
                1,140 | 
                
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                       Datasheet  | 
                  	     RX-8571LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 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 | - | - | 12-VSOJ | |
                 
                   
                
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                    DS1339U-3+T&RIC RTC CLOCK/CALENDAR I2C 8UMAX  |  
                1,598 | 
                
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                       Datasheet  | 
                  	     - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 150µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP | |
                 
                   
                
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                    MAX31343ETAY+ACCURATE/ROBUST RTC WITH INTEGRA  |  
                1,570 | 
                
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                       Datasheet  | 
                  	     - | 8-VFBGA, WLBGA | Tray | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger | 64B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, Serial | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.2µA ~ 2µA @ 1.6V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-WLP (2.07x2.27) | |
                 
                   
                
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                    RX4901CE XS C06IC RTC CLK/CALENDAR SPI 10SMD  |  
                1,975 | 
                
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                       Datasheet  | 
                  	     RX4901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | SPI, 4-Wire Serial | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD | |
                 
                   
                
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                    DS1307N+IC RTC CLOCK/CALENDAR I2C 8DIP  |  
                2,167 | 
                
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                       Datasheet  | 
                  	     - | 8-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 2V ~ 3.5V | 200µA @ 5V | -40°C ~ 85°C | Through Hole | - | - | 8-PDIP | |
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                    DS1338Z-3+IC RTC CLK/CALENDAR I2C 8SOIC  |  
                1,906 | 
                
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                       Datasheet  | 
                  	     - | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | |
                 
                   
                
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                    DS1302N+IC RTC CLK/CALENDAR SER 8DIP  |  
                1,953 | 
                
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                       Datasheet  | 
                  	     - | 8-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 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 | Through Hole | - | - | 8-PDIP |