| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | DS12885T+IC RTC CLK/CALENDAR PAR 32-TQFP | 2,164 | - | RFQ |   Datasheet | 32-TQFP | Tray | - | Active | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | 
|   | M48T35-70PC1IC RTC CLK/CALENDAR PAR 28DIP | 2,381 | - | RFQ |   Datasheet | 28-DIP Module (0.600, 15.24mm) | Tube | Timekeeper® | Active | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.5V | - | 2mA @ 4.75V ~ 5.5V | 0°C ~ 70°C | Through Hole | 
|   | ECS-RTC-SOP8-5101A-TRIC RTC CLK/CALENDAR I2C MODULE | 2,303 | - | RFQ |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tape & Reel (TR),Cut Tape (CT) | - | Active | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS | YY-MM-DD-dd | I²C, Serial | 1.6V ~ 5.5V | - | 0.5µA ~ 0.52µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|  | PT7C4372ALEXIC RTC CLK/CALENDAR I2C TSSOP | 2,370 | - | RFQ |   Datasheet | 8-TSSOP (0.173, 4.40mm 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 | 1.8V ~ 6V | - | 0.8µA @ 3V | -40°C ~ 85°C | Surface Mount | 
|   | PT7C4337UEXIC RTC CLK/CALENDAR I2C MSOP | 2,940 | - | RFQ |   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 | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | 
|   | RX8130CE B0IC REAL TIME CLOCK MODULE | 3,592 | - | RFQ |   Datasheet | 10-SMD, No Lead | Tape & Reel (TR),Cut Tape (CT) | RX8130CE | Active | Time Event Recorder | Alarm | - | - | - | I²C | 1.25V ~ 5.5V | - | 0.5µA @ 3V | -40°C ~ 85°C | Surface Mount | 
|   | PT7C43390LEXIC RTC CLK/CALENDAR I2C TSSOP | 3,140 | - | RFQ |   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 | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | RX8111CE B0IC RTC CLK/CALENDAR I2C SMD | 2,923 | - | RFQ |   Datasheet | 10-SMD, No Lead | Tape & Reel (TR),Cut Tape (CT) | RX8111CE | Active | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I²C | 1.6V ~ 5.5V | - | 3µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | 
|   | X1228S14IZRTC, VOLATILE | 3,193 | - | 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 ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | ISL12027IBAZRTC, NON-VOLATILE | 3,199 | - | 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 | 
|   | X1227S8IRTC, NON-VOLATILE | 2,416 | - | 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 | 4.5V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | 
|   | X1288S16-4.5ARTC, VOLATILE | 2,483 | - | RFQ |   Datasheet | 16-SOIC (0.295, 7.50mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I²C, 2-Wire Serial | 4.5V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | 
|   | X1228S14-4.5ARTC, VOLATILE | 3,165 | - | 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 ~ 5V | 0°C ~ 70°C | Surface Mount | 
|   | X1227S8-2.7RTC, NON-VOLATILE | 2,379 | - | 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 ~ 5V | 0°C ~ 70°C | Surface Mount | 
|   | DS1746WP-120INDRTC, NON-VOLATILE | 2,399 | - | RFQ |   Datasheet | 34-PowerCap™ Module | Tube | - | Obsolete | Clock/Calendar | Leap Year, NVSRAM, Y2K | 128KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 2mA @ 3.3V | -40°C ~ 85°C | Surface Mount | 
|   | ISL12025IBZRTC, NON-VOLATILE | 2,953 | - | RFQ |   Datasheet | 8-SOIC (0.154, 3.90mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Supervisor, Unique ID, 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 | 
|  | ISL12025IVZRTC, NON-VOLATILE | 2,856 | - | RFQ |   Datasheet | 8-TSSOP (0.173, 4.40mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Leap Year, Supervisor, Unique ID, 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 | 
|   | ISL1220IUZRTC, NON-VOLATILE | 3,086 | - | RFQ |   Datasheet | 10-TFSOP, 10-MSOP (0.118, 3.00mm 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 | 
|   | BQ4845S-A4RTC, NON-VOLATILE, 1 TIMER(S) | 2,859 | - | RFQ |   Datasheet | 28-SOIC (0.295, 7.50mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.5V | 2.3V ~ 4V | 1.5mA (Typ) @ 4.5 V ~ 5.5 V | 0°C ~ 70°C | Surface Mount | 
|   | BQ3285ESRTC, VOLATILE | 3,038 | - | RFQ | 24-SOIC (0.295, 7.50mm Width) | Tube | - | Obsolete | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 300µA @ 5V | 0°C ~ 70°C | Surface Mount |