| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | RX-8581JE:B3 I2C-BUSIC RTC CLK/CALENDAR I2C 20-VSOJ | 2,207 | - | RFQ |   Datasheet | 20-LSSOJ (0.213, 5.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-8581JE | 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 | 
|   | RX-8731LC:B3 PURE SNIC RTC CLK/CALENDAR I2C 12-VSOJ | 3,124 | - | RFQ |   Datasheet | 12-TFSOJ (0.094, 2.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, EEPROM, Leap Year, Unique ID | 80b | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C | 1.7V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | RX-8801JE:UA3 ROHSIC RTC CLK/CALENDAR I2C 20-VSOJ | 2,999 | - | RFQ |   Datasheet | 20-LSSOJ (0.213, 5.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.6V ~ 5.5V | - | 2.8µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|  | RX-8801SA:UB3 PURE SNIC RTC CLK/CALENDAR I2C 14-SOP | 3,624 | - | RFQ |   Datasheet | 14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-8801SA | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.6V ~ 5.5V | - | 2.8µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | DS1343D-18+IC RTC CLK/CAL SPI 14TDFN | 3,120 | - | RFQ |   Datasheet | 14-WFDFN Exposed Pad | Bulk,Tube | - | 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 | 
|   | DS1343E-18+IC RTC CLK/CALENDAR SPI 20-TSSOP | 2,731 | - | RFQ |   Datasheet | 20-TSSOP (0.173, 4.40mm Width) | Tube | - | 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 | 
|   | DS1344E-18+IC RTC CLK/CALENDAR SPI 20-TSSOP | 4,070 | - | RFQ |   Datasheet | 20-TSSOP (0.173, 4.40mm Width) | Bulk,Tube | - | 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 | 
|   | PT7C4563UEXIC RTC CLK/CALENDAR I2C 8-MSOP | 2,294 | - | RFQ |   Datasheet | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.85µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | 
|   | DS1347T+IC RTC CLK/CALENDAR SPI 8-TDFN | 3,275 | - | RFQ |   Datasheet | 8-WDFN Exposed Pad | Tube | - | Active | 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 | 
|   | DS1339AD+TIC RTC CLK/CAL I2C 8TDFN | 3,496 | - | RFQ |   Datasheet | - | Tape & Reel (TR) | - | Active | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.71V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 1.71V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 
|   | DS1341T+IC RTC CLK/CALENDAR I2C 8-TDFN | 3,654 | - | RFQ |   Datasheet | 8-WDFN Exposed Pad | Tube | - | Active | 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 | - | 0.5µA ~ 0.6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | M41T00CAPPC1IC RTC CLK/CALENDAR I2C 24-DIP | 3,780 | - | RFQ |   Datasheet | 24-DIP (0.600, 15.24mm) | Tube | Timekeeper®, CAPHAT™ | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 2.7V ~ 5.5V | Integrated | 70µA @ 2.7V ~ 5.5V | 0°C ~ 70°C | Through Hole | 
|   | AB1814-T3IC RTC CLK/CALENDAR SPI 16-QFN | 3,939 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | 256B | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB0803-T3IC RTC CLK/CALENDAR I2C 16-QFN | 2,356 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | HH:MM:SS:hh | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB0811-T3IC RTC CLK/CALENDAR SPI 16-QFN | 3,964 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB0813-T3IC RTC CLK/CALENDAR SPI 16-QFN | 2,749 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB0814-T3IC RTC CLK/CALENDAR SPI 16-QFN | 3,854 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | 256B | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB1803-T3IC RTC CLK/CALENDAR I2C 16-QFN | 3,024 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | HH:MM:SS:hh | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB1811-T3IC RTC CLK/CALENDAR SPI 16-QFN | 3,557 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | 
|   | AB1813-T3IC RTC CLK/CALENDAR SPI 16-QFN | 2,715 | - | RFQ |   Datasheet | 16-VFQFN Exposed Pad | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount |