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
DS1337U+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	5,464	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1341U+T&R IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	2,438	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.5µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS2417P+T&R IC RTC BINARY CNTR 1-WIRE 6TSOC Analog Devices Inc./Maxim Integrated	10,310	-	RFQ	Datasheet	-	6-SMD, J-Lead	Tape & Reel (TR)	Active	Not Verified	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5V ~ 5.5V	-	0.45µA @ 2.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	6-TSOC
M41T83RMY6F IC RTC CLK/CALENDAR I2C 18SOX STMicroelectronics	9,375	-	RFQ	Datasheet	-	18-SOX, 18-SOIC with Crystal (7.5mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7V ~ 5.5V	2V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	18-SOX
ISL12026IBZ-T IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	4,713	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	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-SOIC
ISL12026IBZ IC RTC CLK/CALENDAR I2C 8SOIC Renesas Electronics Corporation	3,970	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm 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-SOIC
PCF2129AT/2,518 IC RTC CLOCK/CALENDAR I2C 20SO NXP USA Inc.	770	-	RFQ	Datasheet	-	20-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 4.2V	1.8V ~ 4.2V	1.5µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	20-SO
RV-3032-C7-32.768KHZ-2.5PPM-TA-QC IC RTC TEMPERAT CLK/CAL I2C 8SON Micro Crystal AG	10,158	-	RFQ	Datasheet	C7	8-WCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump	16B, 32B	HH:MM:SS:100th (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	210nA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	-	-	8-SON (3.2x1.5)
DS1337S+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	7,704	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	-	-	8-SOIC
RV-3149-C3-32.768KHZ-OPTION-B-TB-QA IC RTC CLK/CALENDAR SPI 10SON Micro Crystal AG	17,872	-	RFQ	Datasheet	C3	10-VCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger	2B, 8B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 4-Wire Serial	1.3V ~ 5.5V	-	1µA @ 3V	-40°C ~ 125°C (TA)	Surface Mount	Automotive	AEC-Q200	10-SON (3.7x2.5)
RV-3032-C7-32.768KHZ-2.5PPM-TA-QA IC RTC TEMPERAT CLK/CAL I2C 8SON Micro Crystal AG	6,083	-	RFQ	Datasheet	C7	8-WCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump	16B, 32B	HH:MM:SS:100th (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	210nA @ 3V	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q200	8-SON (3.2x1.5)
AB-RTCMC-32.768KHZ-AIGZ-S7-T IC RTC CLK/CALENDAR I2C 8CLCC Abracon LLC	1,615	-	RFQ	Datasheet	-	8-WCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1V ~ 4.4V	-	0.4µA ~ 0.95µA @ 1V ~ 4.4V	-40°C ~ 85°C	Surface Mount	-	-	8-CLCC (3.2x1.5)
RV-8564-C2-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	2,282	-	RFQ	Datasheet	C2	10-TDFN Exposed Pad	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1V ~ 5.5V	-	0.35µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	-	-	10-SON (5x3.2)
DS1337U+ IC RTC CLOCK/CALENDAR I2C 8UMAX Analog Devices Inc./Maxim Integrated	495	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tube	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 5.5V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1307Z+T&R IC RTC CLK/CALENDAR I2C 8SOIC Analog Devices Inc./Maxim Integrated	9,812	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	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	4.5V ~ 5.5V	2V ~ 3.5V	200µA @ 5V	0°C ~ 70°C	Surface Mount	-	-	8-SOIC
PCF2129T/2,518 IC RTC CLOCK/CALENDAR I2C 16SO NXP USA Inc.	3,571	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8V ~ 4.2V	1.8V ~ 4.2V	1.5µA @ 3.3V	-40°C ~ 85°C	Surface Mount	-	-	16-SO
DS1371U+T&R IC RTC BINARY COUNTER I2C 8UMAX Analog Devices Inc./Maxim Integrated	8,356	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Active	Not Verified	Binary Counter	Alarm, Square Wave Output, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	1.7V ~ 5.5V	-	1.3µA @ 1.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	-	-	8-uMAX/uSOP
DS1672S-33+T&R IC RTC BINARY COUNTER I2C 8SOIC Analog Devices Inc./Maxim Integrated	3,823	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	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
DS1302Z+T&R IC RTC CLK/CALENDAR SER 8SOIC Analog Devices Inc./Maxim Integrated	1,412	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2V ~ 5.5V	2V ~ 5.5V	0.3µA ~ 1µA @ 2V ~ 5V	0°C ~ 70°C	Surface Mount	-	-	8-SOIC
RV-3129-C3-32.768KHZ-OPTION-A-TB-QA IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	7,761	-	RFQ	Datasheet	C3	10-VCDFN	Tape & Reel (TR)	Active	Not Verified	Clock/Calendar	Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger	2B, 8B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3V ~ 5.5V	-	1µA @ 3V	-40°C ~ 125°C (TA)	Surface Mount	Automotive	AEC-Q200	10-SON (3.7x2.5)

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