Real Time Clocks

Browse available Real Time Clocks part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

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
DS12885S IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	3,714	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	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	-	-	24-SOIC
ISL1218IUZ IC RTC CLK/CALENDAR I2C 8MSOP Renesas Electronics Corporation	4,025	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tube	Obsolete	Not Verified	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	-	-	8-MSOP
DS14285+ IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	4,595	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	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 ~ 3.6V	0.5µA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	-	-	24-PDIP
MAX31329ELB+T INTEGRATED RC17 W/ QST CRYSTAL Analog Devices Inc./Maxim Integrated	1,656	-	RFQ	Datasheet	-	10-LLGA	Tape & Reel (TR)	Last Time Buy	-	Clock/Calendar	Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C	1.6V ~ 5.5V	1.6V ~ 5.5V	0.5µA ~ 0.7µA @ 1.6V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	10-LGA (5x5)
DS1673E-3/T&R IC RTC SYST CTRLR SER 20TSSOP Analog Devices Inc./Maxim Integrated	2,831	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7V ~ 3.3V	2.5V ~ 3.7V	100µA @ 3V	0°C ~ 70°C	Surface Mount	-	-	20-TSSOP
DS14285Q+ IC RTC CLK/CALENDAR PAR 28PLCC Analog Devices Inc./Maxim Integrated	3,372	-	RFQ	Datasheet	-	28-LCC (J-Lead)	Tube	Obsolete	Not Verified	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 ~ 3.6V	0.5µA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	-	-	28-PLCC (11.51x11.51)
DS17285S-5 IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	3,369	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5V ~ 5.5V	2.5V ~ 3.7V	3mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
DS17285S-3 IC RTC 3V 2K NV RAM 24-SOIC Analog Devices Inc./Maxim Integrated	180	-	RFQ	Datasheet	*	24-SOIC (0.295", 7.50mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	-	-	Surface Mount	-	-	24-SOIC
DS17285S-3/T&R IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,730	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C	Surface Mount	-	-	24-SOIC
DS17285S-3/TR IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,000	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Bulk	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V, 4.5V ~ 5.5V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C (TA)	Surface Mount	-	-	24-SOIC
ISL12026AIVZ IC RTC CLK/CALENDAR I2C 8TSSOP Renesas Electronics Corporation	950	-	RFQ	Datasheet	-	8-TSSOP (0.173", 4.40mm Width)	Tube	Active	Not Verified	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	-	-	8-TSSOP
BQ4285P-SB2 IC RTC CLK/CALENDAR PAR 24DIP Texas Instruments	1,541	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	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	-	0°C ~ 70°C	Through Hole	-	-	24-PDIP
DS14285N+ IC RTC CLK/CALENDAR PAR 24DIP Analog Devices Inc./Maxim Integrated	1,517	-	RFQ	Datasheet	-	24-DIP (0.600", 15.24mm)	Tube	Obsolete	Not Verified	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 ~ 3.6V	0.5µA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Through Hole	-	-	24-PDIP
DS17285S-3NT IC RTC CLK/CALENDAR PAR 24SOIC Analog Devices Inc./Maxim Integrated	1,964	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7V ~ 3.7V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	-40°C ~ 85°C	Surface Mount	-	-	24-SOIC
DS17285S-5+TR DS17285 REAL-TIME CLOCK Analog Devices Inc./Maxim Integrated	580	-	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Bulk	Active	Not Verified	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD	Parallel	2.7V ~ 3.7V, 4.5V ~ 5.5V	2.5V ~ 3.7V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C (TA)	Surface Mount	-	-	24-SOIC
MAX6917EO30+ IC RTC CLK/CAL/SUPER I2C 20QSOP Analog Devices Inc./Maxim Integrated	4,266	-	RFQ	Datasheet	-	20-SSOP (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar/Supervisor	-	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.3V	-	-	-40°C ~ 85°C	Surface Mount	-	-	20-QSOP
MAX6916EO30+ IC RTC CLK/CAL/SUPER SPI 20QSOP Analog Devices Inc./Maxim Integrated	2,442	-	RFQ	Datasheet	-	20-SSOP (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar/Supervisor	-	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 3-Wire Serial	3V	-	-	-	Surface Mount	-	-	20-QSOP
MAX6909EO30+ IC RTC CLK/CAL/SUPER I2C 20QSOP Analog Devices Inc./Maxim Integrated	2,411	-	RFQ	Datasheet	-	20-SSOP (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar/Supervisor	-	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.3V	-	-	-	Surface Mount	-	-	20-QSOP
DS1344E-18+T&R IC RTC CLK/CALENDAR SPI 20TSSOP Analog Devices Inc./Maxim Integrated	2,156	-	RFQ	Datasheet	-	20-TSSOP (0.173", 4.40mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71V ~ 5.5V	1.3V ~ 5.5V	-	-40°C ~ 85°C	Surface Mount	-	-	20-TSSOP
MAX6910EO30+ IC RTC CLK/CAL/SUPER I2C 20QSOP Analog Devices Inc./Maxim Integrated	3,730	-	RFQ	Datasheet	-	20-SSOP (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar/Supervisor	-	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 3.3V	-	-	-	Surface Mount	-	-	20-QSOP

WINSUN SOURCING SUPPORT

Need Real Time Clocks Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

Real Time Clocks FAQ

Common questions about selecting, comparing and sourcing Real Time Clocks components through Winsun (HK) Electronics.

What should I check when selecting Real Time Clocks components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific Real Time Clocks part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find Real Time Clocks parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for Real Time Clocks components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.