Real Time Clocks

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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)

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