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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd AB0815-T3 ABRACON 1: $4.76 82In Stock 3,000Expected 15/3/2027	Mfr. Part No. AB0815-T3 Mouser Part No 815-AB0815-T3	ABRACON	Real Time Clock RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd Learn More about ABRACON ab08xx	Datasheet	82In Stock 3,000Expected 15/3/2027	Cut Tape $4.76 $3.58 $3.28 $2.90 View Reel $2.30 $2.57 $2.49 $2.38 $2.30 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB08x5	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ AB1805-T3 ABRACON 1: $4.76 14In Stock 24,000On Order	Mfr. Part No. AB1805-T3 Mouser Part No 815-AB1805-T3	ABRACON	Real Time Clock 32.768 KHZ Learn More about ABRACON ab08xx	Datasheet	14In Stock 24,000On Order On Order Ship Dates Mfr. No: AB1805-T3 Stock: 14 Can Dispatch Immediately On Order: 3,000 Expected 3/12/2026 9,000 Expected 7/12/2026 12,000 Expected 2/8/2027 Factory Lead Time: 28 Weeks	Cut Tape $4.76 $3.58 $3.16 $2.84 View Reel $2.34 $2.61 $2.53 $2.41 $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB18x5	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ AB1815-T3 ABRACON 1: $4.76 82In Stock 3,000Expected 11/12/2026	Mfr. Part No. AB1815-T3 Mouser Part No 815-AB1815-T3	ABRACON	Real Time Clock 32.768 KHZ Learn More about ABRACON ab08xx	Datasheet	82In Stock 3,000Expected 11/12/2026	Cut Tape $4.76 $3.58 $3.28 $2.84 View Reel $2.15 $2.56 $2.48 $2.39 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB18x5	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR ISL12020MIRZ-T7A Renesas / Intersil 1: $15.86 160In Stock 250Expected 30/10/2026	Mfr. Part No. ISL12020MIRZ-T7A Mouser Part No 968-ISL12020MIRZ-T7A	Renesas / Intersil	Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR	Datasheet	160In Stock 250Expected 30/10/2026	Cut Tape $15.86 $12.39 $11.52 $10.57 Reel $10.06 View $9.60 $9.41 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	DFN-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12020	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L ISL12022IBZ-T7A Renesas / Intersil 1: $7.24 47In Stock 2,500On Order	Mfr. Part No. ISL12022IBZ-T7A Mouser Part No 968-ISL12022IBZ-T7A	Renesas / Intersil	Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L	Datasheet	47In Stock 2,500On Order On Order Ship Dates Mfr. No: ISL12022IBZ-T7A Stock: 47 Can Dispatch Immediately On Order: 1,000 Expected 26/7/2027 1,500 Expected 30/7/2027 Factory Lead Time: 36 Weeks	Cut Tape $7.24 $5.51 $5.09 $4.61 Reel $4.38 View $4.20 $4.12 $4.05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12022	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP ISL12057IBZ-T Renesas / Intersil 1: $3.88 97In Stock 17,500On Order	Mfr. Part No. ISL12057IBZ-T Mouser Part No 968-ISL12057IBZ-T	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP	Datasheet	97In Stock 17,500On Order On Order Ship Dates Mfr. No: ISL12057IBZ-T Stock: 97 Can Dispatch Immediately On Order: 7,500 Expected 16/4/2027 10,000 Expected 14/6/2027 Factory Lead Time: 36 Weeks	Cut Tape $3.88 $2.90 $2.65 $2.38 Reel $2.09 View $2.26 $2.18 $2.14 $1.97 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	3.6 V	- 40 C	+ 85 C	ISL12057	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DCGI8 Renesas Electronics 1: $5.34 5In Stock 6,000Expected 10/1/2028	Mfr. Part No. 1338-31DCGI8 Mouser Part No 972-1338-31DCGI8	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	5In Stock 6,000Expected 10/1/2028	Cut Tape $5.34 $3.98 $3.64 $3.28 View Reel $3.05 $3.09 $3.05 $3.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.3 V	3.7 V	- 40 C	+ 85 C	1338	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus PCA85063ATT/AJ NXP Semiconductors 1: $2.43 13In Stock 12,500On Order NRND	Mfr. Part No. PCA85063ATT/AJ Mouser Part No 771-PCA85063ATT/AJ NRND	NXP Semiconductors	Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus	Datasheet	13In Stock 12,500On Order On Order Ship Dates Mfr. No: PCA85063ATT/AJ Stock: 13 Can Dispatch Immediately On Order: 5,000 Expected 14/1/2027 7,500 Expected 1/2/2027 Factory Lead Time: 27 Weeks	Cut Tape $2.43 $1.80 $1.58 $1.40 View Reel $1.15 $1.31 $1.26 $1.23 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 105 C	PCA85063A	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock DS1337U+T&R Analog Devices / Maxim Integrated 1: $6.83 459In Stock	Mfr. Part No. DS1337U+T&R Mouser Part No 700-DS1337UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	459In Stock	Cut Tape $6.83 $5.15 $4.73 $4.27 View $4.05 $4.03 $4.01 $3.40 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	DS1337U	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-33+T&R Analog Devices / Maxim Integrated 1: $9.03 146In Stock	Mfr. Part No. DS1338Z-33+T&R Mouser Part No 700-DS1338Z-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	146In Stock	Cut Tape $9.03 $6.92 $6.39 $5.82 $5.70 $4.88 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock DS1339U-33+T&R Analog Devices / Maxim Integrated 1: $9.57 336In Stock	Mfr. Part No. DS1339U-33+T&R Mouser Part No 700-DS1339U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	336In Stock	Cut Tape $9.57 $7.34 $6.79 $6.17 View $5.88 $5.70 $5.63 $5.55 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1339U	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-33+T&R Analog Devices / Maxim Integrated 1: $8.40 291In Stock	Mfr. Part No. DS1374U-33+T&R Mouser Part No 700-DS1374U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	291In Stock	Cut Tape $8.40 $6.41 $6.39 $5.82 $5.70 $4.88 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374U	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C-Integrated RTC/TC DS3231SN#T&R Analog Devices / Maxim Integrated 1: $22.70 1In Stock	Mfr. Part No. DS3231SN#T&R Mouser Part No 700-DS3231SN#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C-Integrated RTC/TC Learn More about Analog Devices / Maxim Integrated maximds3231m	Datasheet	1In Stock	Cut Tape $22.70 $17.98 $16.80 $15.46 View $15.27 $14.78 $14.12 Quote MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.3 V	5.5 V	- 40 C	+ 85 C	DS3231SN	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232S#T&R Analog Devices / Maxim Integrated 1: $20.63 13In Stock	Mfr. Part No. DS3232S#T&R Mouser Part No 700-DS3232S#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	13In Stock	Cut Tape $20.63 $16.16 $15.04 $13.80 View $13.68 $13.65 $11.60 MouseReel Available	Min.: 1 Mult.: 1				SO-20				0 C	+ 70 C	DS3232S	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors 1: $2.35 35In Stock	Mfr. Part No. PCF8563T/F4,118 Mouser Part No 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	35In Stock	Cut Tape $2.35 $1.73 $1.56 $1.40 $1.18 View $1.32 $1.27 $1.26 $1.16 MouseReel Available	Min.: 1 Mult.: 1	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 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: $34.14 56In Stock	Mfr. Part No. M48T37V-10MH1F Mouser Part No 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	56In Stock	Cut Tape $34.14 $27.28 $25.58 $23.70 View Reel $22.26 $22.81 $22.26 $22.26 MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-44	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M48T37V	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm ECS-RTC-3225-5699C3-TR ECS 1: $7.22 2,348In Stock	Mfr. Part No. ECS-RTC-3225-5699C3-TR Mouser Part No 520-RTC-32255699C3TR	ECS	Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm Learn More about ECS rtc3225 rtcsop8 rtcs	Datasheet	2,348In Stock	Cut Tape $7.22 $5.51 $5.07 $4.60 View Reel $4.08 $4.38 $4.30 $4.28 $4.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Low Power High Stability 5 ppm -40 +85 C I C Real Time Clock 3.2 x 2.5 mm ECS-RTC-3225-5699HS-TR ECS 1: $7.71 783In Stock	Mfr. Part No. ECS-RTC-3225-5699HS-TR Mouser Part No 520-RTC-32255699HSTR	ECS	Real Time Clock Low Power High Stability 5 ppm -40 +85 C I C Real Time Clock 3.2 x 2.5 mm Learn More about ECS rtc 3225 5699hs rtc	Datasheet	783In Stock	Cut Tape $7.71 $5.89 $5.43 $4.92 Reel $4.45 View $4.69 $4.58 $4.43 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R RX-4045SAAA0 PURE SN Epson Timing 1: $6.39 1,506In Stock	Mfr. Part No. RX-4045SAAA0 PURE SN Mouser Part No 732-R4045SAAA0PURESN	Epson Timing	Real Time Clock RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R Learn More about Epson Timing epson rx 4045sa realtime clock module	Datasheet	1,506In Stock	Cut Tape $6.39 $4.84 $4.45 $4.03 Reel $3.70 View $3.93 $3.85 $3.35	Min.: 1 Mult.: 1 : 1,000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape
Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R RX-4045SAAA3 PURE SN Epson Timing 1: $13.02 703In Stock	Mfr. Part No. RX-4045SAAA3 PURE SN Mouser Part No 732-RX-4045SA:AA3S	Epson Timing	Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R	Datasheet	703In Stock	Cut Tape $13.02 $10.13 $8.62 $8.04 Reel $7.67 View $7.62 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-4045SA	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I2C Bus 5 +/-23ppm RX-8025SA:AA0 Epson Timing 1: $5.58 1,052In Stock	Mfr. Part No. RX-8025SA:AA0 Mouser Part No 732-RX-8025SA:AA0	Epson Timing	Real Time Clock I2C Bus 5 +/-23ppm Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	1,052In Stock	Cut Tape $5.58 $4.20 $3.86 $3.48 Reel $3.09 View $3.30 $3.28 $3.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C RX-8025SA:AA3 Epson Timing 1: $11.90 453In Stock 500Expected 17/5/2027	Mfr. Part No. RX-8025SA:AA3 Mouser Part No 732-RX-8025SA:AA3	Epson Timing	Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C Learn More about Epson Timing epson rx 8025sa rtc modules	Datasheet	453In Stock 500Expected 17/5/2027	Cut Tape $11.90 $9.22 $7.72 $7.30 Reel $7.29 View $7.19 $7.00 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	RX-8025SA	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR RX-8803SA:UB3 PURE SN Epson Timing 1: $6.41 976In Stock	Mfr. Part No. RX-8803SA:UB3 PURE SN Mouser Part No 732-RX-8803SAUB3	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR	Datasheet	976In Stock	Cut Tape $6.41 $4.84 $4.45 $4.03 Reel $3.82 View $3.66 $3.43	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-14	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-8803SA	SMD/SMT		Reel, Cut Tape
Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR RX4111CE A3 Epson Timing 1: $6.45 3,235In Stock	Mfr. Part No. RX4111CE A3 Mouser Part No 732-RX4111CEA3	Epson Timing	Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR Learn More about Epson Timing epson rx4111ce rx8111ce rtc modules	Datasheet	3,235In Stock	Cut Tape $6.45 $4.86 $4.46 $3.93 Reel $3.89 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 4-Wire, SPI				Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX4111CE	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR RX4901CE XS C06 Epson Timing 1: $7.96 636In Stock	Mfr. Part No. RX4901CE XS C06 Mouser Part No 732-RX4901CEXSC06	Epson Timing	Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	636In Stock	Cut Tape $7.96 $6.07 $5.59 $5.07 View Reel $4.49 $4.73 $4.52 $4.50 $4.49 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX4901CE	SMD/SMT		Reel, Cut Tape, MouseReel