Clock/Timing - Real Time Clocks | Electronic Components Distributor DigiKey

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package

S-35390A-T8T1G IC RTC CLK/CALENDAR I2C 8-TSSOP ABLIC Inc.	23.691 In Stock	1 : 1,52000 € Cut Tape (CT) 3.000 : 0,72898 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3V ~ 5.5V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
R2223L-E2 SERIAL INTERFACE REAL TIME CLOCK Nisshinbo Micro Devices Inc.	11.800 In Stock	1 : 1,63000 € Cut Tape (CT) 3.000 : 0,78355 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, RAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.5V ~ 5.5V	-	0.9µA @ 3V	-40°C ~ 85°C	Surface Mount	12-XFQFN Exposed Pad	QFN018018-12
AB0815-T3 IC RTC CLK/CALENDAR SPI 16-QFN Abracon LLC	4.950 In Stock	1 : 2,12000 € Cut Tape (CT) 3.000 : 0,96713 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer	256B	HH:MM:SS:hh	YY-MM-DD-dd	SPI	1.7V ~ 3.6V	1.5V ~ 3.6V	0.17µA ~ 0.22µA @ 1.8V ~ 3V	-40°C ~ 85°C	Surface Mount	16-VFQFN Exposed Pad	16-QFN (3x3)
MAX31341BEWC+T LOW CURRENT REAL TIME CLOCK WITH Analog Devices Inc./Maxim Integrated	14.077 In Stock 15.000 Factory	1 : 2,06000 € Cut Tape (CT) 2.500 : 1,04940 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	64B	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C	1.6V ~ 3.6V	1.6V ~ 3.6V	0.33µA ~ 0.39µA @ 1.6V ~ 3.6V	-40°C ~ 85°C	Surface Mount	12-WFBGA, WLBGA	12-WLP (2.14x1.56)
RV-8063-C7-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR SPI 8SON Micro Crystal AG	21.228 In Stock	1 : 2,70000 € Cut Tape (CT) 1.000 : 1,43838 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, RAM, Timer	1B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 3-Wire Serial	0.9V ~ 5.5V	-	0.24µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	8-WCDFN	8-SON (3.2x1.5)
M41T0M6F IC RTC CLK/CALENDAR I2C 8-SOIC STMicroelectronics	5.000 In Stock	1 : 2,82000 € Cut Tape (CT) 2.500 : 1,57527 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	-	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2V ~ 5.5V	-	1.2µA ~ 31µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1337S+T&R IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	14.657 In Stock	1 : 3,07000 € Cut Tape (CT) 2.500 : 1,73501 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	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 (0.154", 3.90mm Width)	8-SOIC
DS1347T+T&R IC RTC CLK/CALENDAR SPI 8-TDFN Analog Devices Inc./Maxim Integrated	4.330 In Stock	1 : 3,54000 € Cut Tape (CT) 2.500 : 2,00086 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, SRAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	-	0.7µA ~ 0.8µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-WDFN Exposed Pad	8-TDFN (3x3)
RV-8523-C3-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR I2C 10SON Micro Crystal AG	5.231 In Stock	1 : 3,88000 € Cut Tape (CT) 1.000 : 2,07361 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.2V ~ 5.5V	-	0.18µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-VCDFN	10-SON (3.7x2.5)
ISL1208IU8Z-TK IC RTC CLK/CALENDAR I2C 8-MSOP Renesas Electronics America Inc	3.697 In Stock	1 : 3,54000 € Cut Tape (CT) 1.000 : 2,10300 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, SRAM	2B	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-MSOP
DS1391U-33+T&R IC RTC CLK/CALENDAR SPI 10-USOP Analog Devices Inc./Maxim Integrated	10.229 In Stock	1 : 3,78000 € Cut Tape (CT) 3.000 : 2,14078 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	2.97V ~ 5.5V	1.3V ~ 5.5V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX/uSOP
DS1338Z-3+T&R IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	5.719 In Stock	1 : 3,78000 € Cut Tape (CT) 2.500 : 2,14078 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	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	1.3V ~ 3.7V	200µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
AB-RTCMC-32.768KHZ-AIGZ-S7-T IC RTC CLK/CALENDAR I2C 8-CLCC Abracon LLC	1.724 In Stock	1 : 4,18000 € Cut Tape (CT) 1.000 : 2,20648 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	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-WCDFN	8-CLCC (3.2x1.5)
DS1339AU+T IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	8.115 In Stock	1 : 4,03000 € Cut Tape (CT) 3.000 : 2,28070 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.71V ~ 5.5V	1.3V ~ 3.7V	200µA @ 1.71V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP
DS1308U-33+T IC RTC CLK/CALENDAR I2C 8-UMAX Analog Devices Inc./Maxim Integrated	14.805 In Stock	1 : 4,10000 € Cut Tape (CT) 3.000 : 2,32267 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3V ~ 5.5V	1.3V ~ 5.5V	125µA ~ 200µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP
DS1339U-33+T&R IC RTC CLK/CALENDAR I2C 8-USOP Analog Devices Inc./Maxim Integrated	0 In Stock	1 : 4,10000 € Cut Tape (CT) 3.000 : 2,32267 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	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-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP
R2025S-E2-FE I2C-BUS REAL-TIME CLOCK MODULE Nisshinbo Micro Devices Inc.	6.790 In Stock	1 : 4,51000 € Cut Tape (CT) 1.000 : 2,40662 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.7V ~ 5.5V	-	120µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.197", 5.00mm Width)	14-SOP
R2045S-E2-FE 4-WIRE SERIAL INTERFACE REAL TIM Nisshinbo Micro Devices Inc.	13.251 In Stock	1 : 4,77000 € Cut Tape (CT) 1.000 : 2,54654 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial, 4-Wire Serial	1.7V ~ 5.5V	-	1.8µA ~ 2µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.173", 4.40mm Width) Exposed Pad	8-HSOP-E
RV-2123-C2-32.768KHZ-20PPM-TA-QC IC RTC CLK/CALENDAR SPI 10SON Micro Crystal AG	26.548 In Stock	1 : 4,87000 € Cut Tape (CT) 1.000 : 2,59971 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Programmable Clock Output, Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI, 4-Wire Serial	1.1V ~ 5.5V	-	0.18µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-TCDFN Exposed Pad	10-SON (5x3.2)
M41T93ZQA6F IC RTC CLK/CALENDAR SPI 16-QFN STMicroelectronics	1.855 In Stock	1 : 4,38000 € Cut Tape (CT) 1.000 : 2,72970 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	7B	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	SPI	2.38V ~ 5.5V	1.8V ~ 5.5V	10µA @ 5.5V	-40°C ~ 85°C	Surface Mount	16-VQFN Exposed Pad	16-QFN (4x4)
DS1683S+T&R IC RTC ELAPSED CNT I2C 8-SOIC Analog Devices Inc./Maxim Integrated	10.649 In Stock	1 : 4,97000 € Cut Tape (CT) 2.500 : 2,81239 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Elapsed Time Counter	Alarm, EEPROM	16B	Binary	Binary	I²C, 2-Wire Serial	2.5V ~ 5.5V	-	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1344D-33+T&R IC RTC CLK/CAL SPI 14TDFN Analog Devices Inc./Maxim Integrated	6.978 In Stock 2.500 Factory	1 : 5,19000 € Cut Tape (CT) 2.500 : 2,93832 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3V ~ 5.5V	1.3V ~ 5.5V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN (3x3)
DS1306E+T&R IC RTC CLK/CALENDAR SPI 20-TSSOP Analog Devices Inc./Maxim Integrated	8.617 In Stock	1 : 5,69000 € Cut Tape (CT) 2.500 : 3,21816 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2V ~ 5.5V	2V ~ 5.5V	25.3µA ~ 81µA @ 2V ~ 5V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
RX-8564LC:B0 PURE SN IC RTC CLK/CALENDAR I2C 12-VSOJ EPSON	2.407 In Stock	1 : 6,21000 € Cut Tape (CT) 1.000 : 3,31610 € Tape & Reel (TR)	RX-8564LC	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V	-	0.65µA ~ 0.8µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	12-TFSOJ (0.094", 2.40mm Width)	12-VSOJ
DS1388Z-33+T&R IC RTC CLK/CALENDAR I2C 8-SOIC Analog Devices Inc./Maxim Integrated	3.316 In Stock	1 : 5,93000 € Cut Tape (CT) 2.500 : 3,35808 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Clock/Calendar	EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer	512B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97V ~ 3.63V	1.3V ~ 5.5V	150µA @ 2.97V ~ 3.63V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC

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Clock/Timing - Real Time Clocks

Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral. They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.

Clock/Timing - Real Time Clocks

Clock/Timing - Real Time Clocks

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