Welcome to Winsun (HK) Electronics Limited!
+86-(0755)8253 3846
FILTERED PRODUCT SELECTION

Real Time Clocks

Use the filters and product table below to compare Real Time Clocks components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet 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
RV-8263-C7-32.768KHZ-20PPM-TA-QC Micro Crystal AG

RV-8263-C7-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

23,857 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 0.9V ~ 5.5V - 0.24µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (3.2x1.5)
RV-4162-C7-32.768KHZ-20PPM-TA-QC Micro Crystal AG

RV-4162-C7-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

16,890 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Programmable Clock Output, Watchdog Timer - HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1V ~ 4.4V - 0.5µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (3.2x1.5)
RV-3129-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal AG

RV-3129-C3-32.768KHZ-OPTION-B-TB-QA

IC RTC CLK/CALENDAR I2C 10SON

Micro Crystal AG

19,922 -
Datasheet C3 10-VCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 125°C (TA) Surface Mount Automotive AEC-Q200 10-SON (3.7x2.5)
RV-3028-C7 32.768KHZ 1PPM-TA-QC Micro Crystal AG

RV-3028-C7 32.768KHZ 1PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

29,131 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Battery Switch, EEPROM, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer, Trickle Charger 2B, 43B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.1V ~ 5.5V 1.1V ~ 5.5V 0.06µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (3.2x1.5)
RV-3028-C7 32.768KHZ 1PPM-TA-QA Micro Crystal AG

RV-3028-C7 32.768KHZ 1PPM-TA-QA

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

84,366 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Battery Switch, EEPROM, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer, Trickle Charger 2B, 43B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.1V ~ 5.5V 1.1V ~ 5.5V 0.06µA @ 3V -40°C ~ 85°C (TA) Surface Mount Automotive AEC-Q200 8-SON (3.2x1.5)
RV-2123-C2-32.768KHZ-20PPM-TA-QC Micro Crystal AG

RV-2123-C2-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR SPI 10SON

Micro Crystal AG

39,417 -
Datasheet C2 10-TDFN Exposed Pad Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Programmable Clock Output, Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.1V ~ 5.5V - 0.18µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (5x3.2)
RV-8803-C7-32.768KHZ-3PPM-TA-QC Micro Crystal AG

RV-8803-C7-32.768KHZ-3PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

9,374 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.5V ~ 5.5V - 0.35µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (3.2x1.5)
RV-8803-C7-32.768KHZ-3PPM-TA-QA Micro Crystal AG

RV-8803-C7-32.768KHZ-3PPM-TA-QA

IC RTC CLK/CALENDAR I2C 8SON

Micro Crystal AG

19,258 -
Datasheet C7 8-WCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, External Event Interrupt, Leap Year, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.5V ~ 5.5V - 0.35µA @ 3V -40°C ~ 85°C (TA) Surface Mount Automotive AEC-Q200 8-SON (3.2x1.5)
RV-3129-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal AG

RV-3129-C3-32.768KHZ-OPTION-B-TA-QC

IC RTC CLK/CALENDAR I2C 10SON

Micro Crystal AG

13,432 -
Datasheet C3 10-VCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (3.7x2.5)
RV-3149-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal AG

RV-3149-C3-32.768KHZ-OPTION-B-TA-QC

IC RTC CLK/CALENDAR SPI 10SON

Micro Crystal AG

4,648 -
Datasheet C3 10-VCDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SON (3.7x2.5)
Total 42 Record«Prev12345Next»
WINSUN SOURCING SUPPORT

Need Help Sourcing Real Time Clocks?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Real Time Clocks FAQ

Common questions about filtering, comparing and sourcing Real Time Clocks components.

How can I narrow the Real Time Clocks selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Real Time Clocks part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.