Real Time Clocks

Browse available Real Time Clocks components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

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	-	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	-	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	-	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	-	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1392U-18 IC BATT CHG SPI RTC W/TRICKLE Analog Devices Inc./Maxim Integrated	9,810	-	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	-	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	-	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	-	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	-	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	-	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	-	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	-	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
DS1392U-18+ IC RTC CLK/CALENDAR SER 10-USOP Analog Devices Inc./Maxim Integrated	1,901	-	RFQ	Datasheet	*	-	Bulk	Obsolete	Not Verified	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PT7C433833AZEEX IC RTC CLK/CALENDAR I2C 8TDFN Diodes Incorporated	4,816	-	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	-	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	-	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	-	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	-	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	-	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	-	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)

Real Time Clocks FAQ

What Real Time Clocks components can I source from EGOO?

You can browse available Real Time Clocks product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Real Time Clocks parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

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Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

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