| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | ISL12027AIV27Z-TIC RTC CLK/CALENDAR I2C 8-TSSOP | 3,700 | - | RFQ |   Datasheet | 8-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR) | - | 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 | 
|   | ISL12028AIB27Z-TIC RTC CLK/CALENDAR I2C 14-SOIC | 2,473 | - | RFQ |   Datasheet | 14-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR) | - | 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 | 
|   | ISL12028AIV27Z-TIC RTC CLK/CALENDAR I2C 14-TSSOP | 3,266 | - | RFQ |   Datasheet | 14-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR) | - | 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 | 
|   | ISL12029AIB27Z-TIC RTC CLK/CALENDAR I2C 14-SOIC | 2,912 | - | RFQ |   Datasheet | 14-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR) | - | 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 | 
|   | ISL12029AIV27Z-TIC RTC CLK/CALENDAR I2C 14-TSSOP | 2,763 | - | RFQ |   Datasheet | 14-TSSOP (0.173, 4.40mm Width) | Tape & Reel (TR) | - | 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 | 
|   | ISL12027AIB27ZIC RTC CLK/CALENDAR I2C 8-SOIC | 3,077 | - | 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 | 
|  | ISL12027AIV27ZIC RTC CLK/CALENDAR I2C 8-TSSOP | 3,096 | - | RFQ |   Datasheet | 8-TSSOP (0.173, 4.40mm 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 | 
|   | ISL12028AIB27ZIC RTC CLK/CALENDAR I2C 14-SOIC | 2,251 | - | 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 | 
|  | ISL12028AIV27ZIC RTC CLK/CALENDAR I2C 14-TSSOP | 3,966 | - | RFQ |   Datasheet | 14-TSSOP (0.173, 4.40mm 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 | 
|  | RA-4574SA:B3 ROHSIC RTC CLK/CALENDAR SER 14-SOP | 3,077 | - | RFQ |   Datasheet | 14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | Automotive, AEC-Q200 | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|  | RA-8565SA:B3 ROHSIC RTC CLK/CALENDAR I2C 14-SOP | 3,485 | - | RFQ |   Datasheet | 14-SOIC (0.209, 5.30mm 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 | 1.8V ~ 5.5V | - | 1µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 125°C | Surface Mount | 
|  | RTC-4543SB:B3 ROHSIC RTC CLK/CALENDAR SER 18-SOP | 2,195 | - | RFQ |   Datasheet | 18-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RTC-4543SB | Obsolete | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | RTC-4574JE:B3 ROHSIC RTC CLK/CALENDAR SER 20-VSOJ | 2,519 | - | RFQ |   Datasheet | 20-LSSOJ (0.213, 5.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | RTC-4574JE | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 1µA ~ 2µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|  | RTC-4701JE:B3 ROHSIC RTC CLK/CALENDAR SER 20-VSOJ | 2,012 | - | 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 | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | 
|  | RTC-4701NB:B3 ROHSIC RTC CLK/CALENDAR SER 22-SON | 2,503 | - | RFQ |   Datasheet | 22-LFDFN | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | 
|  | RX-4045SA:AA3IC RTC CLK/CALENDAR SPI 14-SOP | 2,479 | - | RFQ |   Datasheet | 14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-4045SA | Obsolete | Clock/Calendar | Alarm, Leap Year | - | 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 | 
|   | RX-4574LC:B3 PURE SNIC RTC CLK/CALENDAR SER 12-VSOJ | 2,887 | - | RFQ |   Datasheet | 12-TFSOJ (0.094, 2.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-4581NB | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | RX-4575LC:B3IC RTC CLK/CALENDAR SER 12-VSOJ | 2,997 | - | RFQ |   Datasheet | 12-TFSOJ (0.094, 2.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.7µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | RX-4801SA:UB3 PURE SNIC RTC CLK/CALENDAR SPI 14-SOP | 2,326 | - | RFQ |   Datasheet | 14-SOIC (0.209, 5.30mm Width) | Tape & Reel (TR),Cut Tape (CT) | RX-4801SA | Obsolete | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | SPI | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|  | RX-5412SF:B3 PURE SNIC RTC EVENT REC SPI 24-SOP | 2,637 | - | RFQ |   Datasheet | 24-SOP (0.213, 5.40mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Obsolete | Time Event Recorder | Alarm, Leap Year, SRAM, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | SPI | 2.5V ~ 5.5V | 1.4V ~ 5.5V | 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount |