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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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	Packaging
Real Time Clock I C RTC with Trickle Charger DS1340U-33+T&R Analog Devices / Maxim Integrated 1: Rp119.432,46 5.993In Stock	Mfr. Part No. DS1340U-33+T&R Mouser Part No 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 Rp119.432,46 Rp91.546,54 Rp84.575,06 Rp77.053,20 Rp75.035,14 Reel Rp65.862,14 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		Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70+ Analog Devices / Maxim Integrated 1: Rp1.288.256,12 452In Stock	Mfr. Part No. DS1746-70+ Mouser Part No 700-DS1746-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	452In Stock	Rp1.288.256,12 Rp1.064.068,00 Rp1.007.929,24 Rp995.270,50 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		Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+ Analog Devices / Maxim Integrated 1: Rp286.381,06 2.531In Stock	Mfr. Part No. DS3232MZ+ Mouser Part No 700-DS3232MZ+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	2.531In Stock	Rp286.381,06 Rp224.188,12 Rp214.281,28 Rp181.992,32 View Rp178.506,58 Rp174.470,46 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		Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+TRL Analog Devices / Maxim Integrated 1: Rp257.577,84 4.369In Stock	Mfr. Part No. DS3232MZ+TRL Mouser Part No 700-DS3232MZ+TRL	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	4.369In Stock	Cut Tape Rp257.577,84 Rp202.356,38 Rp188.413,42 Rp173.369,70 View Reel Rp151.904,88 Rp170.617,80 Rp165.480,92 Rp163.462,86 Rp151.904,88 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		Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232SN#T&R Analog Devices / Maxim Integrated 1: Rp297.021,74 7.995In Stock	Mfr. Part No. DS3232SN#T&R Mouser Part No 700-DS3232SN#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	7.995In Stock	Cut Tape Rp297.021,74 Rp235.195,72 Rp219.234,70 Rp201.255,62 View Reel Rp183.276,54 Rp199.421,02 Rp187.679,58 Rp183.276,54 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		Reel, Cut Tape, MouseReel
Real Time Clock Automotive high-spee d CMOS timer with i TLC3555QDRQ1 Texas Instruments 1: Rp19.813,68 4.879In Stock	Mfr. Part No. TLC3555QDRQ1 Mouser Part No 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 Rp19.813,68 Rp14.126,42 Rp12.713,78 Rp11.191,06 Reel Rp9.246,38 View Rp10.457,22 Rp10.016,92 Rp9.686,69 Rp8.897,81 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 RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: Rp34.490,48 5.950In Stock 6.000Expected 04/01/2027	Mfr. Part No. PCF85053ATKJ Mouser Part No 771-PCF85053ATKJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. Learn More about NXP Semiconductors nxp pcf85053a rtc	Datasheet	5.950In Stock 6.000Expected 04/01/2027	Cut Tape Rp34.490,48 Rp25.317,48 Rp22.932,50 Rp20.547,52 View Reel Rp16.841,63 Rp19.263,30 Rp18.529,46 Rp18.235,92 Rp17.153,51 Rp16.841,63 MouseReel Available	Min.: 1 Mult.: 1 : 6.000										PCF85053A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41ST85WMX6TR STMicroelectronics 1: Rp198.503,72 2.197In Stock	Mfr. Part No. M41ST85WMX6TR Mouser Part No 511-M41ST85WMX6TR	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2.197In Stock	Cut Tape Rp198.503,72 Rp155.023,70 Rp142.731,88 Rp130.990,44 View Reel Rp120.166,30 Rp125.303,18 Rp124.018,96 Rp120.166,30 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-28	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST85W	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93RMY6F STMicroelectronics 1: Rp195.751,82 5.929In Stock	Mfr. Part No. M41T93RMY6F Mouser Part No 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	5.929In Stock	Cut Tape Rp195.751,82 Rp152.822,18 Rp142.181,50 Rp130.440,06 View Reel Rp118.331,70 Rp124.752,80 Rp123.468,58 Rp118.331,70 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		Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T94MH6F STMicroelectronics 1: Rp203.457,14 2.869In Stock	Mfr. Part No. M41T94MH6F Mouser Part No 511-M41T94MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2.869In Stock	Cut Tape Rp203.457,14 Rp160.710,96 Rp149.519,90 Rp137.228,08 Reel Rp120.349,76 View Rp133.008,50 Rp125.119,72 Rp116.497,10 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		Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: Rp667.060,56 885In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	885In Stock	Rp667.060,56 Rp500.478,88 Rp477.362,92 Rp460.484,60 View Rp444.890,50 Rp443.606,28	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		Tube
Real Time Clock 64K (8Kx8) 150ns M48T08-150PC1 STMicroelectronics 1: Rp736.958,82 733In Stock	Mfr. Part No. M48T08-150PC1 Mouser Part No 511-M48T0815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	733In Stock	Rp736.958,82 Rp593.860,02 Rp558.819,16 Rp538.088,18 View Rp505.432,30 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		Tube
Real Time Clock 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: Rp808.691,68 944In Stock	Mfr. Part No. M48T12-150PC1 Mouser Part No 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	Rp808.691,68 Rp653.117,60 Rp622.112,86 Rp603.033,02 View Rp579.550,14 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		Tube
Real Time Clock 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: Rp861.528,16 1.351In Stock	Mfr. Part No. M48T18-100PC1 Mouser Part No 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1.351In Stock	Rp861.528,16 Rp696.414,16 Rp653.667,98 Rp640.458,86	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		Tube
Real Time Clock 256K (32Kx8) 70ns M48T35Y-70PC1 STMicroelectronics 1: Rp914.181,18 295In Stock 240Expected 05/11/2026	Mfr. Part No. M48T35Y-70PC1 Mouser Part No 511-M48T35Y70PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	295In Stock 240Expected 05/11/2026	Rp914.181,18 Rp734.940,76 Rp693.295,34 Rp664.859,04 View Rp639.174,64 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		Tube
Real Time Clock 64K (8Kx8) 70ns M48T58Y-70MH1F STMicroelectronics 1: Rp431.864,84 1.036In Stock	Mfr. Part No. M48T58Y-70MH1F Mouser Part No 511-M48T58Y-70MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	1.036In Stock	Cut Tape Rp431.864,84 Rp345.638,64 Rp323.990,36 Rp300.324,02 View Reel Rp277.391,52 Rp293.902,92 Rp277.391,52 Rp277.391,52 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		Reel, Cut Tape, MouseReel
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. PCA2131TF/Q900Y NXP Semiconductors 1: Rp79.988,56 7.555In Stock	Mfr. Part No. PCA2131TF/Q900Y Mouser Part No 771-PCA2131TF/Q900Y	NXP Semiconductors	Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. Learn More about NXP Semiconductors nxp pca2131 rtc	Datasheet	7.555In Stock	Cut Tape Rp79.988,56 Rp61.092,18 Rp56.505,68 Rp51.552,26 View Reel Rp43.663,48 Rp49.167,28 Rp48.616,90 Rp46.048,46 Rp45.865,00 Rp43.663,48	Min.: 1 Mult.: 1 : 4.000										PCA2131		AEC-Q100	Reel, Cut Tape
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: Rp69.531,34 26.116In Stock 80.000On Order	Mfr. Part No. PCF2131TFY Mouser Part No 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	26.116In Stock 80.000On Order On Order Ship Dates Mfr. No: PCF2131TFY Stock: 26.116 Can Dispatch Immediately On Order: 4.000 Expected 02/11/2026 32.000 Expected 01/11/2027 44.000 Expected 06/12/2027 Factory Lead Time: 16 Weeks	Cut Tape Rp69.531,34 Rp52.102,64 Rp47.699,60 Rp42.929,64 View Reel Rp35.591,24 Rp40.544,66 Rp39.443,90 Rp37.425,84 Rp36.875,46 Rp35.591,24 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: Rp16.511,40 44.767In Stock	Mfr. Part No. PCF85063AT/AY Mouser Part No 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	44.767In Stock	Cut Tape Rp16.511,40 Rp11.796,48 Rp10.622,33 Rp9.338,11 Reel Rp7.631,94 View Rp8.696,00 Rp8.310,74 Rp7.980,51 Rp7.430,13 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: Rp15.594,10 46.316In Stock 28.000Expected 12/11/2026	Mfr. Part No. PCF85063ATL/1,118 Mouser Part No 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	46.316In Stock 28.000Expected 12/11/2026	Cut Tape Rp15.594,10 Rp11.154,37 Rp10.053,61 Rp8.806,08 View Reel Rp6.989,83 Rp8.182,32 Rp7.815,40 Rp7.521,86 Rp7.375,09 Rp6.989,83 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 featuring backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: Rp27.702,46 154.824In Stock	Mfr. Part No. PCF85263AT/AJ Mouser Part No 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	154.824In Stock	Cut Tape Rp27.702,46 Rp20.180,60 Rp18.089,16 Rp16.052,75 Reel Rp13.392,58 View Rp15.080,41 Rp14.493,34 Rp14.309,88 Rp13.099,04 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 in SO8 package. PCF8563T/5,518 NXP Semiconductors 1: Rp22.932,50 46.681In Stock	Mfr. Part No. PCF8563T/5,518 Mouser Part No 771-PCF8563T/5518	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.	Datasheet	46.681In Stock	Cut Tape Rp22.932,50 Rp18.712,92 Rp15.685,83 Rp14.053,04 View Reel Rp12.034,98 Rp13.282,50 Rp12.823,85 Rp12.438,59 Rp12.034,98 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 32.768kHz I2C Time Acc. 25ppm RV-3129-C3 32.768kHz OPTION B TA QC Micro Crystal 1: Rp58.156,82 1.287In Stock	Mfr. Part No. RV-3129-C3 32.768kHz OPTION B TA QC Mouser Part No 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 Rp58.156,82 Rp43.663,48 Rp39.994,28 Rp35.958,16 Reel Rp33.206,26 View Rp34.123,56 Rp32.655,88 Rp32.288,96 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		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: Rp62.192,94 2.246In Stock 5.000Expected 01/01/2027	Mfr. Part No. RV-3032-C7 32.768kHz-2.5PPM-TA-QA Mouser Part No 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	2.246In Stock 5.000Expected 01/01/2027	Cut Tape Rp62.192,94 Rp46.782,30 Rp42.746,18 Rp38.526,60 Reel Rp35.224,32 View Rp36.508,54 Rp35.958,16 Rp34.490,48 Rp33.940,10 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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/MS Microchip Technology 1: Rp19.446,76 4.252In Stock	Mfr. Part No. MCP79400T-I/MS Mouser Part No 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 Rp19.446,76 Reel Rp16.236,21	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		Reel, Cut Tape