| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | ISL1208IB8Z-TKIC RTC CLK/CALENDAR I2C 8-SOIC | 27,473 | - |  |   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 | 
|   | ISL12026IBZ-TIC RTC CLK/CALENDAR I2C 8-SOIC | 5,880 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year | - | 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 | 
|   | ISL12008IB8ZIC RTC CLK/CALENDAR I2C 8-SOIC | 753 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS:hh (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 | 
|   | ISL12026AIBZIC RTC CLK/CALENDAR I2C 8-SOIC | 260 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | Active | Clock/Calendar | Alarm, Leap Year | - | 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 | 
|   | 1339-31DVGI8IC RTC CLK/CALENDAR I2C 8-MSOP | 7,469 | - |  |   Datasheet | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | 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 | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | 
|   | ISL1208IB8ZIC RTC CLK/CALENDAR I2C 8-SOIC | 1,460 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | 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 | 
|   | ISL12057IBZIC RTC CLK/CALENDAR I2C 8-SOIC | 1,711 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | 
|   | UPD4991AGS-ARTC, VOLATILE, 1 TIMER(S) PDSO | 9,995 | - |  |   Datasheet | - | Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | 
|   | ISL12022MIBZ-TIC RTC/CALENDAR TEMP SNSR 20SOIC | 720 | - |  |   Datasheet | 20-SOIC (0.295, 7.50mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | 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 | 
|   | ISL12024IBZ-TIC RTC CLK/CALENDAR I2C 8-SOIC | 5,000 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | 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 | 
|  | ISL12058IRTZIC RTC CLK/CALENDAR I2C 8-TDFN | 1,015 | - |  |   Datasheet | 8-WDFN Exposed Pad | Tube | - | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | 
|   | ISL12082IB8ZIC RTC CLK/CALENDAR I2C 8-SOIC | 980 | - |  |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS:hh (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 | 
|  | ISL1208IRT8ZIC RTC CLK/CALENDAR I2C 8-TDFN | 799 | - |  |   Datasheet | 8-WDFN Exposed Pad | Tube | - | Obsolete | 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 | 
|   | ISL1220IUZ-TIC RTC CLK/CALENDAR I2C 10-MSOP | 3,436 | - |  |   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 | 
|   | ISL1218IBZIC RTC CLK/CALENDAR I2C 8-SOIC | 780 | - |  |   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 | 
|   | ISL1208IB8Z-T7AIC RTC CLK/CALENDAR I2C 8-SOIC | 245 | - |  |   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 | 
|   | ISL1221IUZ-TIC RTC EVENT REC I2C 10-MSOP | 1,238 | - |  |   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 | 
|   | ISL12024IBZIC RTC CLK/CALENDAR I2C 8-SOIC | 980 | - |  |   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 | 
|   | ISL1208IU8ZIC RTC CLK/CALENDAR I2C 8-MSOP | 3,051 | - |  |   Datasheet | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | Tube | - | 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 | 
|   | 1337AGDVGIIC RTC CLK/CALENDAR I2C 8-TSSOP | 238 | - |  |   Datasheet | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | 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 | - | 0.3µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount |