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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RTC Bus Interface	Date Format	Time Format	Memory Size	Package/Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock 3V/5V Real-Time Clocks DS17287-3+ Analog Devices / Maxim Integrated 1: 28,65 € 54In Stock	Mfr. Part No. DS17287-3+ Mouser Part No 700-DS17287-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	54In Stock	28,65 € 22,90 € 21,46 € 19,88 € View 19,14 € 18,68 €	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	2 kB	EDIP-24	Backup Switching	2.7 V	3.7 V	0 C	+ 70 C	DS17287	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120IND+ Analog Devices / Maxim Integrated 1: 67,14 € 14In Stock	Mfr. Part No. DS1556W-120IND+ Mouser Part No 700-DS1556W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	14In Stock	67,14 € 51,34 € 51,33 € 49,67 € View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	128 kB	EDIP-32	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1556W	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17487-5+ Analog Devices / Maxim Integrated 1: 31,34 € 49In Stock	Mfr. Part No. DS17487-5+ Mouser Part No 700-DS17487-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	49In Stock	31,34 € 25,12 € 23,87 € 22,48 € View 21,46 € Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	4 kB	EDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS17487	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17885S-5+ Analog Devices / Maxim Integrated 1: 32,28 € 28In Stock	Mfr. Part No. DS17885S-5+ Mouser Part No 700-DS17885S-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	28In Stock	32,28 € 26,20 € 24,54 € 23,01 € View 22,16 € Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	8 kB	SO-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS17885S	SMD/SMT	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307Z+ Analog Devices / Maxim Integrated 1: 4,90 € 4.249In Stock	Mfr. Part No. DS1307Z+ Mouser Part No 700-DS1307Z	Analog Devices / Maxim Integrated	Real Time Clock 64 x 8, Serial, I C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1307	Datasheet	4.249In Stock	4,90 € 3,74 € 3,46 € 3,12 € View 2,96 € 2,87 € 2,82 € 2,80 €	Min.: 1 Mult.: 1 Max.: 3.399	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	56 B	SOIC-8	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1307Z	SMD/SMT	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70+ Analog Devices / Maxim Integrated 1: 60,39 € 487In 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	487In Stock	60,39 € 49,88 € 47,25 € 46,66 € 46,65 €	Min.: 1 Mult.: 1 Max.: 389	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	128 kB	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1746	Through Hole	Tube
Real Time Clock 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: 40,39 € 907In Stock 480Expected 10/8/2026	Mfr. Part No. M48T18-100PC1 Mouser Part No 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	907In Stock 480Expected 10/8/2026	40,39 € 32,65 € 30,64 € 30,02 €	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400-I/SN Microchip Technology 1: 0,817 € 1.843In Stock	Mfr. Part No. MCP79400-I/SN Mouser Part No 579-MCP79400ISN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	1.843In Stock	0,817 € 0,757 € 0,738 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	MCP79400	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 64B SRAM MCP7940N-I/MS Microchip Technology 1: 0,774 € 2.055In Stock	Mfr. Part No. MCP7940N-I/MS Mouser Part No 579-MCP7940N-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	2.055In Stock	0,774 € 0,715 €	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 64B SRAM MCP7940N-I/SN Microchip Technology 1: 0,731 € 3.667In Stock 7.800Expected 10/16/2026	Mfr. Part No. MCP7940N-I/SN Mouser Part No 579-MCP7940N-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	3.667In Stock 7.800Expected 10/16/2026	0,731 € 0,679 € 0,671 €	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/MS Microchip Technology 1: 0,929 € 1.492In Stock	Mfr. Part No. MCP79410-I/MS Mouser Part No 579-MCP79410-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	1.492In Stock	0,929 € 0,869 € 0,861 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/SN Microchip Technology 1: 0,894 € 4.532In Stock	Mfr. Part No. MCP79410-I/SN Mouser Part No 579-MCP79410-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4.532In Stock	0,894 € 0,826 € 0,805 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/SN Microchip Technology 1: 0,972 € 3.376In Stock	Mfr. Part No. MCP79412-I/SN Mouser Part No 579-MCP79412ISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3.376In Stock	0,972 € 0,903 € 0,894 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID MCP79520-I/MS Microchip Technology 1: 1,20 € 8.180In Stock	Mfr. Part No. MCP79520-I/MS Mouser Part No 579-MCP79520-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	8.180In Stock	1,20 € 1,10 € 1,08 €	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	2 kB	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 MCP79522-I/MS Microchip Technology 1: 1,27 € 1.395In Stock	Mfr. Part No. MCP79522-I/MS Mouser Part No 579-MCP79522-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	1.395In Stock	1,27 € 1,18 € 1,16 €	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 64k NV SRAM with Phantom Clock DS1243Y-120+ Analog Devices / Maxim Integrated 1: 51,61 € 1.632In Stock	Mfr. Part No. DS1243Y-120+ Mouser Part No 700-DS1243Y-120	Analog Devices / Maxim Integrated	Real Time Clock 64k NV SRAM with Phantom Clock	Datasheet	1.632In Stock	51,61 € 42,18 € 39,81 € 38,71 € View 35,98 € Quote	Min.: 1 Mult.: 1 Max.: 1.305	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	8 kB	EDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1243Y	Through Hole	Tube
Real Time Clock Trickle-Charge Timekeeping Chip DS1302SN+ Analog Devices / Maxim Integrated 1: 5,52 € 564In Stock	Mfr. Part No. DS1302SN+ Mouser Part No 700-DS1302SN	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	564In Stock	5,52 € 4,23 € 3,91 € 3,55 € 3,38 €	Min.: 1 Mult.: 1 Max.: 451	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	31 B	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1302SN	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338C-33# Analog Devices / Maxim Integrated 1: 9,99 € 1.021In Stock	Mfr. Part No. DS1338C-33# Mouser Part No 700-DS1338C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	1.021In Stock	9,99 € 7,81 € 7,03 € 6,60 € View 6,32 € 6,14 €	Min.: 1 Mult.: 1 Max.: 816	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	56 B	SO-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338C	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-18+ Analog Devices / Maxim Integrated 1: 5,57 € 2.734In Stock	Mfr. Part No. DS1338Z-18+ Mouser Part No 700-DS1338Z-18	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	2.734In Stock	5,57 € 4,27 € 3,95 € 3,58 € View 3,47 € 3,40 € 3,31 €	Min.: 1 Mult.: 1 Max.: 2.187	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	56 B	SOIC-8	Backup Switching	1.71 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock DS1371U+ Analog Devices / Maxim Integrated 1: 3,71 € 2.534In Stock	Mfr. Part No. DS1371U+ Mouser Part No 700-DS1371U	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock	Datasheet	2.534In Stock	3,71 € 2,98 € 2,74 € 2,60 € 2,57 €	Min.: 1 Mult.: 1 Max.: 2.027	I2C	Binary	Binary	3 B	uSOP-8	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	DS1371U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374C-33# Analog Devices / Maxim Integrated 1: 11,32 € 685In Stock	Mfr. Part No. DS1374C-33# Mouser Part No 700-DS1374C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	685In Stock	11,32 € 8,86 € 8,03 € 7,56 € View 7,33 € 7,05 €	Min.: 1 Mult.: 1 Max.: 548	I2C	Binary	Binary	3 B	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374C	SMD/SMT	Tube
Real Time Clock I C RTC/Supervisor with Trickle Charger DS1388Z-5+ Analog Devices / Maxim Integrated 1: 8,33 € 433In Stock	Mfr. Part No. DS1388Z-5+ Mouser Part No 700-DS1388Z-5	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	433In Stock	8,33 € 6,48 € 6,02 € 5,50 € 5,44 €	Min.: 1 Mult.: 1 Max.: 346	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	512 B	SOIC-8	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1388Z	SMD/SMT	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746W-120+ Analog Devices / Maxim Integrated 1: 59,42 € 110In Stock	Mfr. Part No. DS1746W-120+ Mouser Part No 700-DS1746W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	110In Stock	59,42 € 49,08 € 46,48 €	Min.: 1 Mult.: 1 Max.: 88	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	128 kB	EDIP-32	Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1746W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747-70+ Analog Devices / Maxim Integrated 1: 75,00 € 385In Stock 7Expected 10/12/2026	Mfr. Part No. DS1747-70+ Mouser Part No 700-DS1747-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	385In Stock 7Expected 10/12/2026	75,00 € 62,44 € 58,79 € 55,53 €	Min.: 1 Mult.: 1 Max.: 308	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	512 kB	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1747	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747W-120IND+ Analog Devices / Maxim Integrated 1: 75,39 € 223In Stock	Mfr. Part No. DS1747W-120IND+ Mouser Part No 700-DS1747W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	223In Stock	75,39 € 62,76 € 59,09 € 55,81 €	Min.: 1 Mult.: 1 Max.: 187	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	512 kB	EDIP-32	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1747W	Through Hole	Tube