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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 2.0 to 5.5V 64 (8X8) M41T00SM6F STMicroelectronics 1: HK$35.10 570In Stock 5,000Expected 25/11/2026	Mfr. Part No. M41T00SM6F Mouser Part No 511-M41T00SM6F	STMicroelectronics	Real Time Clock 2.0 to 5.5V 64 (8X8)	Datasheet	570In Stock 5,000Expected 25/11/2026	Cut Tape HK$35.10 HK$26.55 HK$24.41 HK$22.03 View Reel HK$18.91 HK$20.88 HK$20.63 HK$19.89 HK$18.91 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Serial	YYYY-MM-DD	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T00S	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZ+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS1501WZ+ Mouser Part No 700-DS1501WZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability			Parallel	YYYY-MM-DD	HH:MM:SS (24 hr)	SO-28		3 V	3.6 V	0 C	+ 70 C	DS1501WZ+	SMD/SMT		Tube
	Real Time Clock Serial 64 (8X8) M41T00M6F STMicroelectronics 1: HK$34.20 9,523On Order	Mfr. Part No. M41T00M6F Mouser Part No 511-M41T00M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	9,523On Order On Order Ship Dates Mfr. No: M41T00M6F Stock: 0 On Order: 4,523 Expected 3/5/2027 5,000 Expected 25/10/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$34.20 HK$25.81 HK$23.67 HK$21.37 View Reel HK$18.74 HK$20.30 HK$20.14 HK$18.91 HK$18.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			Serial 2-Wire, I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T00	SMD/SMT		Reel, Cut Tape, MouseReel
	Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313242N3 RT313242N3 Diodes Incorporated 3,000: HK$12.99 Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313242N3 Mouser Part No 621-RT313242N3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel HK$12.99	Min.: 3,000 Mult.: 3,000 : 3,000			I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel
	Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313242Q3 RT313242Q3 Diodes Incorporated 3,000: HK$14.06 Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313242Q3 Mouser Part No 621-RT313242Q3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel HK$14.06	Min.: 3,000 Mult.: 3,000 : 3,000			I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel
	Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243N3 RT313243N3 Diodes Incorporated 3,000: HK$11.26 Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243N3 Mouser Part No 621-RT313243N3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel HK$11.26	Min.: 3,000 Mult.: 3,000 : 3,000			I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel
	Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243Q1 RT313243Q1 Diodes Incorporated 3,000: HK$16.19 Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243Q1 Mouser Part No 621-RT313243Q1 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel HK$16.19	Min.: 1 Mult.: 1 : 3,000			I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 125 C		SMD/SMT		Reel, Cut Tape
	Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243Q2 RT313243Q2 Diodes Incorporated 3,000: HK$15.12 Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243Q2 Mouser Part No 621-RT313243Q2 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel HK$15.12	Min.: 3,000 Mult.: 3,000 : 3,000			I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 105 C		SMD/SMT		Reel