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Reel Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Interface Type	Date Format	Time Format	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Time Keeping Current	Packaging
Real Time Clock 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: $59.23 937In Stock	Mfr. Part # M48T08Y-10MH1F Mouser Part # 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	937In Stock	Cut Tape $59.23 $47.95 $45.13 $43.26 View Reel $37.60 $40.55 $39.10 $37.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOX-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T08Y	SMD/SMT	3 mA	Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: $1.76 75,853In Stock	Mfr. Part # PCF85263ATL/AX Mouser Part # 771-PCF85263ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	75,853In Stock	Cut Tape $1.76 $1.26 $1.13 $1.04 View Reel $0.855 $0.975 $0.936 $0.923 $0.914 $0.855 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: $2.17 154,761In Stock	Mfr. Part # PCF85263AT/AJ Mouser Part # 771-PCF85263AT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	154,761In Stock	Cut Tape $2.17 $1.58 $1.42 $1.26 Reel $1.05 View $1.18 $1.14 $1.12 $1.03 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-8	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: $1.90 81,184In Stock	Mfr. Part # PCF85363ATL/AX Mouser Part # 771-PCF85363ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.	Datasheet	81,184In Stock	Cut Tape $1.90 $1.56 $1.47 $1.37 View Reel $1.14 $1.30 $1.26 $1.24 $1.22 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85363A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC RV-3149-C3 32.768kHz OPTION B TB QA Micro Crystal 1: $5.18 1,271In Stock	Mfr. Part # RV-3149-C3 32.768kHz OPTION B TB QA Mouser Part # 428-203684-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	1,271In Stock	Cut Tape $5.18 $3.90 $3.59 $3.23 Reel $2.92 View $3.05 $3.01 $2.89 $2.85 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3149	SMD/SMT	800 nA	Reel, Cut Tape, MouseReel
Real Time Clock 4-wire Real Time Clock Module R2045S-E2-FE Nisshinbo 1: $6.80 3,632In Stock	Mfr. Part # R2045S-E2-FE Mouser Part # 848-R2045S-E2-FE	Nisshinbo	Real Time Clock 4-wire Real Time Clock Module	Datasheet	3,632In Stock	Cut Tape $6.80 $5.14 $4.72 $4.26 Reel $3.60 View $4.05 $3.69 $3.56 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2045S/D	SMD/SMT	480 nA	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2051S02-E2-F Nisshinbo 1: $2.49 2,000In Stock	Mfr. Part # R2051S02-E2-F Mouser Part # 848-R2051S02E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	2,000In Stock	Cut Tape $2.49 $1.81 $1.66 $1.53 $1.14 Reel $1.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051S	SMD/SMT	400 nA	Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940MT-I/MS Microchip Technology 1: $1.08 6,834In Stock	Mfr. Part # MCP7940MT-I/MS Mouser Part # 579-MCP7940MT-I/MS	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	6,834In Stock	Cut Tape $1.08 $0.984 $0.982 Reel $0.881 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock Ultra-Low power 12C Real Time clock w/ p MAX31331EWC+T Analog Devices / Maxim Integrated 1: $3.73 9,454In Stock	Mfr. Part # MAX31331EWC+T Mouser Part # 700-MAX31331EWC+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power 12C Real Time clock w/ p Learn More about Analog Devices / Maxim Integrated maxim max31331 real time clock	Datasheet	9,454In Stock	Cut Tape $3.73 $3.00 $2.82 $2.61 Reel $2.33 View $2.52 $2.46 $2.42 $2.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	BCD	BCD	WLP-12	Backup Switching	1.1 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	70 nA	Reel, Cut Tape, MouseReel
Real Time Clock Real Time Clock S-35190A-J8T1U ABLIC 1: $1.93 4,632In Stock	Mfr. Part # S-35190A-J8T1U Mouser Part # 628-35190A-G	ABLIC	Real Time Clock Real Time Clock	Datasheet	4,632In Stock	Cut Tape $1.93 $1.60 $1.51 $1.41 View Reel $1.15 $1.38 $1.35 $1.33 $1.16 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT	3.3 uA	Reel, Cut Tape, MouseReel
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: $5.63 2,330In Stock	Mfr. Part # M41T01M6F Mouser Part # 511-M41T01M6F	STMicroelectronics	Real Time Clock Low-Pwr serial RTC W/ battry switchover Learn More about STMicroelectronics stm standard products	Datasheet	2,330In Stock	Cut Tape $5.63 $4.25 $3.89 $3.53 View Reel $2.71 $3.34 $3.30 $3.20 $2.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T01	SMD/SMT	70 uA	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: $11.06 1,019In Stock	Mfr. Part # M41T93ZQA6F Mouser Part # 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1,019In Stock	Cut Tape $11.06 $8.83 $7.91 $7.21 View Reel $6.26 $6.85 $6.84 $6.26 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	8 uA	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2023T-E2-F Nisshinbo 1: $2.15 5,003In Stock	Mfr. Part # R2023T-E2-F Mouser Part # 848-R2023TE2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	5,003In Stock	Cut Tape $2.15 $1.57 $1.42 $1.26 Reel $0.943 View $1.18 $1.14 $0.973 $0.939 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-10	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2023T	SMD/SMT	450 nA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MS Microchip Technology 1: $1.80 4,734In Stock	Mfr. Part # MCP79411T-I/MS Mouser Part # 579-MCP79411TIMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,734In Stock	Cut Tape $1.80 Reel $1.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9) RV-3029-C3-TA-QC-Opt. B Micro Crystal 1: $5.72 400In Stock 5,000Expected 2026-11-17	Mfr. Part # RV-3029-C3-TA-QC-Opt. B Mouser Part # 428-RV3029C3TAQCOPTB	Micro Crystal	Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)	Datasheet	400In Stock 5,000Expected 2026-11-17	Cut Tape $5.72 $4.31 $3.96 $3.57 $3.53 Reel $2.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3029-C3	SMD/SMT	800 nA	Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC R2051L02-E2 Nisshinbo 1: $2.32 3,620In Stock	Mfr. Part # R2051L02-E2 Mouser Part # 848-R2051L02-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	3,620In Stock	Cut Tape $2.32 $1.70 $1.54 $1.36 Reel $1.07 View $1.28 $1.23 $1.11 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051L	SMD/SMT	400 nA	Reel, Cut Tape, MouseReel
Real Time Clock 4-Wire Real Time Clock IC RV5C348A-E2-F Nisshinbo 1: $2.36 1,720In Stock	Mfr. Part # RV5C348A-E2-F Mouser Part # 848-RV5C348AE2F	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	1,720In Stock	Cut Tape $2.36 $1.73 $1.57 $1.38 Reel $1.12 View $1.30 $1.25 $1.13 $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 4-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-10	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C348	SMD/SMT	550 nA	Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC PT7C4337AWEX Diodes Incorporated 1: $1.76 327In Stock	Mfr. Part # PT7C4337AWEX Mouser Part # 729-PT7C4337AWEX	Diodes Incorporated	Real Time Clock Real-time Clock IC Learn More about Diodes Incorporated diodes timing solutions	Datasheet	327In Stock	Cut Tape $1.76 $1.27 $1.15 $1.01 View Reel $0.922 $0.95 $0.923 $0.922 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	450 nA	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm RV-3149-C3 32.768kHz OPTION A TA QC Micro Crystal 1: $6.24 19In Stock 1,000On Order	Mfr. Part # RV-3149-C3 32.768kHz OPTION A TA QC Mouser Part # 428-203658-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	19In Stock 1,000On Order	Cut Tape $6.24 $4.69 $4.32 $3.89 Reel $3.54 View $3.70 $3.67 $3.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	800 nA	Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DVGI8 Renesas Electronics 1: $4.65 19In Stock 5,000Expected 2028-04-04	Mfr. Part # 1338-31DVGI8 Mouser Part # 972-1338-31DVGI8	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	19In Stock 5,000Expected 2028-04-04	Cut Tape $4.65 $3.47 $3.17 $2.85 View Reel $2.48 $2.69 $2.64 $2.49 $2.48 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.3 V	3.7 V	- 40 C	+ 85 C	1338	SMD/SMT	2 uA	Reel, Cut Tape, MouseReel
Real Time Clock Ultra-Low power RTC w/ integrated power MAX31334EWC+T Analog Devices / Maxim Integrated 1: $5.59 1,499In Stock	Mfr. Part # MAX31334EWC+T Mouser Part # 700-MAX31334EWC+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power RTC w/ integrated power Learn More about Analog Devices / Maxim Integrated maxim max31334 rtc	Datasheet	1,499In Stock	Cut Tape $5.59 $4.22 $3.76 $3.46 $2.91 View $3.24 $3.17 $3.01 $2.89	Min.: 1 Mult.: 1										MAX31334		75 nA	Reel, Cut Tape
Real Time Clock I C RTC with Trickle Charger DS1340U-3+T&R Analog Devices / Maxim Integrated 1: $5.41 1,516In Stock	Mfr. Part # DS1340U-3+T&R Mouser Part # 700-DS1340U-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1,516In Stock	Cut Tape $5.41 $5.30 $5.18 $5.08 View $5.01 $4.92 $4.85 $4.78 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	81 uA	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+T&R Analog Devices / Maxim Integrated 1: $7.29 2,859In Stock	Mfr. Part # DS1341U+T&R Mouser Part # 700-DS1341U+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTCs for High-ESR Crystals Learn More about Analog Devices / Maxim Integrated maxim ds134x	Datasheet	2,859In Stock	Cut Tape $7.29 $5.56 $5.00 $4.59 View $4.36 $4.31 $4.22 $3.83 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1341U	SMD/SMT	320 nA	Reel, Cut Tape, MouseReel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XLA-32.768KHZ-2-T1 ABRACON 1: $4.42 900In Stock New Product	Mfr. Part # AB-RTC-XLA-32.768KHZ-2-T1 Mouser Part # 815-TCXLA32768KHZ2T1 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	900In Stock	Cut Tape $4.42 $3.31 $3.02 $2.72 Reel $2.38 View $2.58 $2.49 $2.33 $2.29 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XLA	SMD/SMT	450 nA	Reel, Cut Tape, MouseReel
Real Time Clock 3-wire Real Time Clock S-35190A-I8T1U ABLIC 1: $1.44 2,889In Stock	Mfr. Part # S-35190A-I8T1U Mouser Part # 628-S-35190A-I8T1U	ABLIC	Real Time Clock 3-wire Real Time Clock	Datasheet	2,889In Stock	Cut Tape $1.44 $1.34 $1.32 $1.29 View Reel $1.15 $1.28 $1.27 $1.16 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SNT-A-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT		Reel, Cut Tape, MouseReel