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
M41ST85WMX6TR STMicroelectronics

M41ST85WMX6TR

IC RTC CLOCK/CALENDAR I2C 28SO

STMicroelectronics

4,270 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.6V 2.5V ~ 3.5V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SO
M48T37Y-70MH1F STMicroelectronics

M48T37Y-70MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

269 -
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T201V-85MH1F STMicroelectronics

M48T201V-85MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

621 -
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
M41T315V-85MH6F STMicroelectronics

M41T315V-85MH6F

IC RTC PHANTOM CHIP SER 28SOH

STMicroelectronics

175 -
Datasheet - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Obsolete Not Verified Phantom Time Chip Leap Year, Supervisor - HH:MM:SS (12/24 hr) YY-MM-DD-dd Serial 3V ~ 3.6V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SOH
M48T35AV-10PC1 STMicroelectronics

M48T35AV-10PC1

IC RTC CLK/CALENDAR PAR 28DIP

STMicroelectronics

3,987 -
Datasheet Timekeeper® 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Through Hole - - 28-PCDIP, CAPHAT®
M48T35-70PC1 STMicroelectronics

M48T35-70PC1

IC RTC CLK/CALENDAR PAR 28DIP

STMicroelectronics

4,493 -
Datasheet Timekeeper® 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified 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 - - 28-PCDIP, CAPHAT®
M48T58Y-70PC1 STMicroelectronics

M48T58Y-70PC1

IC RTC CLK/CALENDAR PAR 28-DIP

STMicroelectronics

2,811 -
Datasheet Timekeeper® 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 28-PCDIP, CAPHAT®
M48T12-150PC1 STMicroelectronics

M48T12-150PC1

IC RTC CLK/CALENDAR PAR 24DIP

STMicroelectronics

2,900 -
Datasheet Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
M48T58-70PC1 STMicroelectronics

M48T58-70PC1

IC RTC CLK/CALENDAR PAR 28DIP

STMicroelectronics

1,068 -
Datasheet Timekeeper® 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.75V ~ 5.5V 0°C ~ 70°C Through Hole - - 28-PCDIP, CAPHAT®
M48T18-100PC1 STMicroelectronics

M48T18-100PC1

IC RTC CLK/CALENDAR PAR 28DIP

STMicroelectronics

3,641 -
Datasheet Timekeeper® 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 28-PCDIP, CAPHAT®
Total 145 Record«Prev12345678...15Next»
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.