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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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	Qualification	Time Keeping Current	Packaging
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm RV-8263-C8 32.768kHz-20PPM-TA-QC Micro Crystal 1: $1.720 4.307In Stock	Mfr. Part # RV-8263-C8 32.768kHz-20PPM-TA-QC Mouser Part # 428-204208-MC01	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm Learn More about Micro Crystal rv 8263 c8 rtc modules	Datasheet	4.307In Stock	Cut Tape $1.720 $1.265 $1.129 $1.001 Reel $902 View $941 $903 $853 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8263-C8	SMD/SMT		190 nA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM MCP7940NT-I/SN Microchip Technology 1: $1.048 41.659In Stock	Mfr. Part # MCP7940NT-I/SN Mouser Part # 579-MCP7940NT-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	41.659In Stock	Cut Tape $1.048 $1.046 Reel $877 MouseReel Available	Min.: 1 Mult.: 1 : 3.300	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-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 I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/SN Microchip Technology 1: $1.265 14.569In Stock	Mfr. Part # MCP79410T-I/SN Mouser Part # 579-MCP79410T-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	14.569In Stock	Cut Tape $1.265 Reel $1.053 MouseReel Available	Min.: 1 Mult.: 1 : 3.300	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-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 I C RTC with Trickle Charger DS1340U-33+T&R Analog Devices / Maxim Integrated 1: $7.417 5.993In Stock	Mfr. Part # DS1340U-33+T&R Mouser Part # 700-DS1340U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	5.993In Stock	Cut Tape $7.417 $5.685 $5.252 $4.785 $4.660 Reel $4.090 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340U	SMD/SMT		100 uA	Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70+ Analog Devices / Maxim Integrated 1: $80.000 442In Stock	Mfr. Part # DS1746-70+ Mouser Part # 700-DS1746-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	442In Stock	$80.000 $66.078 $62.592 $61.806 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1746	Through Hole		6 mA	Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+ Analog Devices / Maxim Integrated 1: $17.784 2.526In Stock	Mfr. Part # DS3232MZ+ Mouser Part # 700-DS3232MZ+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	2.526In Stock	$17.784 $13.922 $13.307 $11.302 View $11.085 $10.835 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.3 V	4.5 V	- 40 C	+ 85 C	DS3232MZ	SMD/SMT		1.5 uA	Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+TRL Analog Devices / Maxim Integrated 1: $15.995 4.349In Stock	Mfr. Part # DS3232MZ+TRL Mouser Part # 700-DS3232MZ+TRL	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	4.349In Stock	Cut Tape $15.995 $12.566 $11.700 $10.766 View Reel $9.433 $10.595 $10.276 $10.151 $9.433 Quote 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	2.3 V	4.5 V	- 40 C	+ 85 C	DS3232MZ	SMD/SMT		1.5 uA	Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232SN#T&R Analog Devices / Maxim Integrated 1: $18.445 7.994In Stock	Mfr. Part # DS3232SN#T&R Mouser Part # 700-DS3232SN#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	7.994In Stock	Cut Tape $18.445 $14.606 $13.614 $12.498 View Reel $11.381 $12.384 $11.655 $11.381 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2.3 V	5.5 V	- 40 C	+ 85 C	DS3232SN	SMD/SMT		1.5 uA	Reel, Cut Tape, MouseReel
Real Time Clock Automotive high-spee d CMOS timer with i TLC3555QDRQ1 Texas Instruments 1: $1.230 4.879In Stock	Mfr. Part # TLC3555QDRQ1 Mouser Part # 595-TLC3555QDRQ1	Texas Instruments	Real Time Clock Automotive high-spee d CMOS timer with i Learn More about Texas Instruments ti tlc3555 q1 high speed cmos timer	Datasheet	4.879In Stock	Cut Tape $1.230 $877 $790 $695 Reel $574 View $649 $622 $602 $553 MouseReel Available	Min.: 1 Mult.: 1 : 3.000				SOIC-8	No Backup Switching	1.5 V	18 V	- 40 C	+ 125 C	TLC3555	SMD/SMT			Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93RMY6F STMicroelectronics 1: $12.213 5.929In Stock	Mfr. Part # M41T93RMY6F Mouser Part # 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	5.929In Stock	Cut Tape $12.213 $9.536 $8.875 $8.134 View Reel $7.383 $7.827 $7.781 $7.383 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-18	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT		8 uA	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T94MH6F STMicroelectronics 1: $12.635 2.869In Stock	Mfr. Part # M41T94MH6F Mouser Part # 511-M41T94MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2.869In Stock	Cut Tape $12.635 $9.980 $9.285 $8.522 Reel $7.474 View $8.260 $7.770 $7.234 MouseReel Available	Min.: 1 Mult.: 1 : 936	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-28	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T94	SMD/SMT		1.4 mA	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: $41.424 865In Stock	Mfr. Part # M48T08-100PC1 Mouser Part # 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	865In Stock	$41.424 $31.079 $29.644 $28.596 View $27.627 $27.548	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole		3 mA	Tube
Real Time Clock 64K (8Kx8) 150ns M48T08-150PC1 STMicroelectronics 1: $45.765 723In Stock	Mfr. Part # M48T08-150PC1 Mouser Part # 511-M48T0815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	723In Stock	$45.765 $36.878 $34.702 $33.415 View $31.387 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole		3 mA	Tube
Real Time Clock 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: $50.219 944In Stock	Mfr. Part # M48T12-150PC1 Mouser Part # 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	$50.219 $40.558 $38.633 $37.448 View $35.990 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T12	Through Hole		3 mA	Tube
Real Time Clock 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: $53.500 1.351In Stock	Mfr. Part # M48T18-100PC1 Mouser Part # 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1.351In Stock	$53.500 $43.247 $40.592 $39.772	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole		3 mA	Tube
Real Time Clock 256K (32Kx8) 70ns M48T35Y-70PC1 STMicroelectronics 1: $56.770 535In Stock	Mfr. Part # M48T35Y-70PC1 Mouser Part # 511-M48T35Y70PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	535In Stock	$56.770 $45.639 $43.053 $41.287 View $39.692 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T35Y	Through Hole		2 mA, 3 mA	Tube
Real Time Clock 64K (8Kx8) 70ns M48T58Y-70MH1F STMicroelectronics 1: $26.819 1.036In Stock	Mfr. Part # M48T58Y-70MH1F Mouser Part # 511-M48T58Y-70MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	1.036In Stock	Cut Tape $26.819 $21.464 $20.120 $18.650 View Reel $17.226 $18.251 $17.226 $17.226 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	M48T58Y	SMD/SMT		3 mA	Reel, Cut Tape, MouseReel
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: $4.318 29.883In Stock 76.000On Order	Mfr. Part # PCF2131TFY Mouser Part # 771-PCF2131TFY	NXP Semiconductors	Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. Learn More about NXP Semiconductors nxp pcf2131 rtc	Datasheet	29.883In Stock 76.000On Order On Order Ship Dates Mfr. #: PCF2131TFY Stock: 29.883 Can Ship Immediately On Order: 44.000 Expected 12/6/2027 32.000 TBD Factory Lead-Time: 16 Weeks	Cut Tape $4.318 $3.236 $2.962 $2.666 View Reel $2.210 $2.518 $2.449 $2.324 $2.290 $2.210 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C	PCF2131	SMD/SMT			Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. PCF85063AT/AY NXP Semiconductors 1: $1.025 39.115In Stock 35.000Expected 2/23/2027	Mfr. Part # PCF85063AT/AY Mouser Part # 771-PCF85063AT/AY	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	39.115In Stock 35.000Expected 2/23/2027	Cut Tape $1.025 $733 $660 $580 Reel $474 View $540 $516 $496 $461 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063A	SMD/SMT			Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package. PCF85063ATL/1,118 NXP Semiconductors 1: $968 46.141In Stock 28.000Expected 11/12/2026	Mfr. Part # PCF85063ATL/1,118 Mouser Part # 771-PCF85063ATL1118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	46.141In Stock 28.000Expected 11/12/2026	Cut Tape $968 $693 $624 $547 View Reel $434 $508 $485 $467 $458 $434 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063A	SMD/SMT			Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. PCF8563T/5,518 NXP Semiconductors 1: $1.424 46.560In Stock	Mfr. Part # PCF8563T/5,518 Mouser Part # 771-PCF8563T/5518	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.	Datasheet	46.560In Stock	Cut Tape $1.424 $1.162 $974 $873 View Reel $747 $825 $796 $772 $747 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	PCF8563	SMD/SMT			Reel, Cut Tape, MouseReel
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION RV5C338A-E2-F Nisshinbo 1: $1.868 2.000In Stock	Mfr. Part # RV5C338A-E2-F Mouser Part # 848-RV5C338A-E2-F	Nisshinbo	Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION	Datasheet	2.000In Stock	Cut Tape $1.868 $1.367 $1.242 $1.173 Reel $900 View $903 $893	Min.: 1 Mult.: 1 : 2.000				SSOP-10						RV5C338A			350 nA	Reel, Cut Tape
Real Time Clock 32.768kHz I2C Time Acc. 25ppm RV-3129-C3 32.768kHz OPTION B TA QC Micro Crystal 1: $3.612 1.287In Stock	Mfr. Part # RV-3129-C3 32.768kHz OPTION B TA QC Mouser Part # 428-203634-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C Time Acc. 25ppm Learn More about Micro Crystal real time clock modules	Datasheet	1.287In Stock	Cut Tape $3.612 $2.711 $2.484 $2.233 Reel $2.062 View $2.119 $2.028 $2.005 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3129	SMD/SMT		800 nA	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock RV-3032-C7 32.768kHz-2.5PPM-TA-QA Micro Crystal 1: $3.862 2.075In Stock 5.000Expected 1/12/2027	Mfr. Part # RV-3032-C7 32.768kHz-2.5PPM-TA-QA Mouser Part # 428-203853-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock Learn More about Micro Crystal rv 3032 c7 rtc module	Datasheet	2.075In Stock 5.000Expected 1/12/2027	Cut Tape $3.862 $2.905 $2.655 $2.392 Reel $2.187 View $2.267 $2.233 $2.142 $2.108 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 105 C	RV-3032-C7	SMD/SMT	AEC-Q200	160 nA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/MS Microchip Technology 1: $1.208 4.252In Stock	Mfr. Part # MCP79400T-I/MS Mouser Part # 579-MCP79400TIMS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	4.252In Stock	Cut Tape $1.208 Reel $1.008	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		1.2 uA	Reel, Cut Tape