Real Time Clocks

Explore Real Time Clocks parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

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
DS1672S-33 IC RTC BINARY COUNTER I2C 8SOIC Analog Devices Inc./Maxim Integrated	2,843	1.88	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	Binary Counter	Trickle-Charger	-	Binary	Binary	I2C, 2-Wire Serial	2.97V ~ 3.63V	1.3V ~ 3.63V	500µA @ 3.63V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
PT7C4339WEX IC RTC CLK/CALENDAR I2C 8SOIC Diodes Incorporated	12,460	1.41	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD	I2C, 2-Wire Serial	3V ~ 5.5V	1.3V ~ 3.7V	250µA @ 3V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	8-SOIC
DS2415P IC RTC BINARY CNTR 1-WIRE 6TSOC Analog Devices Inc./Maxim Integrated	1,142	1.91	RFQ	Datasheet	-	6-SMD, J-Lead	Tube	Obsolete	Not Verified	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5V ~ 5.5V	2.5V ~ 5.5V	0.25µA ~ 0.45µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	6-TSOC
MAX6900ETTAEQ I2C-BUS-COMPATIBLE REAL-TIME CLO Analog Devices Inc./Maxim Integrated	2,150	1.93	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1392U-18 IC BATT CHG SPI RTC W/TRICKLE Analog Devices Inc./Maxim Integrated	9,810	1.97	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Bulk	Active	-	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.71V ~ 1.89V	1.3V ~ 3.7V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-uMAX
PT7C4311WEX IC RTC CLK/CALENDAR I2C 8SOIC Diodes Incorporated	2,634	1.50	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year, Square Wave Output, Y2K	56B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.2V ~ 5.5V	2V ~ 5.5V	70µA @ 1.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
DS1339U-33 IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	4,182	1.00	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tube	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.97V ~ 5.5V	1.3V ~ 3.7V	200µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1374U-18 IC RTC BINARY COUNTER I2C 10UMAX Analog Devices Inc./Maxim Integrated	8,906	2.08	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Bulk	Active	Not Verified	Binary Counter	Alarm, NVRAM, Square Wave Output, Trickle-Charger, Watchdog Timer	3B	Binary	Binary	I2C, 2-Wire Serial	1.71V ~ 1.89V	1.3V ~ 3.7V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-uMAX
DS1391U-18 IC BATT CHG SPI RTC W/TRICKLE Analog Devices Inc./Maxim Integrated	7,875	2.08	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Bulk	Active	-	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI, 4-Wire Serial	1.71V ~ 1.89V	1.3V ~ 3.7V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-uMAX
DS1393U-33 IC BATT CHG SPI RTC W/TRICKLE Analog Devices Inc./Maxim Integrated	6,569	2.08	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Bulk	Active	-	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-uMAX
DS1672-33 IC RTC BINARY COUNTER I2C 8DIP Analog Devices Inc./Maxim Integrated	4,483	1.70	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Obsolete	Not Verified	Binary Counter	Trickle-Charger	-	Binary	Binary	I2C, 2-Wire Serial	2.97V ~ 3.63V	1.3V ~ 3.63V	500µA @ 3.63V	-40°C ~ 85°C	Through Hole	-	-	8-PDIP
DS1393U-18+ IC RTC CLK/CALENDAR SER 10-USOP Analog Devices Inc./Maxim Integrated	4,870	2.97	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1392U-18+ IC RTC CLK/CALENDAR SER 10-USOP Analog Devices Inc./Maxim Integrated	1,901	2.97	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PT7C433833AZEEX IC RTC CLK/CALENDAR I2C 8TDFN Diodes Incorporated	4,816	1.70	RFQ	Datasheet	-	8-WFDFN Exposed Pad	Tape & Reel (TR)	Obsolete	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	1.5V ~ 3.7V	125µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-TDFN (2x3)
DS1392U-3+ IC RTC CLK/CALENDAR SER 10-USOP Analog Devices Inc./Maxim Integrated	1,896	3.82	RFQ	Datasheet	-	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Bulk	Obsolete	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7V ~ 3.3V	1.3V ~ 3.7V	125µA @ 2.7V ~ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	10-uMAX/uSOP
PT7C43390WEX IC RTC CLK/CALENDAR I2C 8SOIC Diodes Incorporated	3,380	1.72	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Not Verified	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	-	-	8-SOIC
DS12R885S-33 IC BATT CHG RTC W/TRICKLE Analog Devices Inc./Maxim Integrated	2,006	2.20	RFQ	Datasheet	-	24-SOIC (0.295", 7.50mm Width)	Bulk	Active	-	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	114B	HH:MM:SS	YY-MM-DD-dd	-	2.97V ~ 3.63V	2V ~ 3.05V	2mA @ 2.97V ~ 3.63V	-40°C ~ 85°C (TA)	Surface Mount	-	-	24-SOIC
DS1672U-2+ IC RTC BINARY CNT I2C 8-USOP Analog Devices Inc./Maxim Integrated	2,779	4.03	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Bulk	Obsolete	Not Verified	Binary Counter	Trickle-Charger	-	Binary	Binary	I2C, 2-Wire Serial	1.8V ~ 2.2V	1.3V ~ 3.63V	500µA @ 2.2V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
X1227S8Z-2.7A IC RTC CLK/CALENDAR I2C 8SOIC Intersil	10,454	2.25	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Not Verified	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	-	-	8-SOIC
CBC92141C-Q3-TR3 IC RTC CLK/CALENDAR I2C 16MLPQ Cymbet Corporation	3,580	1.67	RFQ	Datasheet	-	16-UFQFN Exposed Pad	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	Clock/Calendar	Alarm, Backup Supply Charger, Leap Year, RAM	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C	2.5V ~ 5.5V	4.1V	0.06µA @ 2.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	16-MLPQ (3x3)

FAQ

Frequently Asked Questions

What are Real Time Clocks components used for?

Real Time Clocks components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right Real Time Clocks part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find Real Time Clocks parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.