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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	Packaging
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz 1337AGDVGI Renesas Electronics 1: $3.94 7In Stock 768Expected 10/1/2028	Mfr. Part No. 1337AGDVGI Mouser Part No 972-1337AGDVGI	Renesas Electronics	Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz	Datasheet	7In Stock 768Expected 10/1/2028	$3.94 $2.95	Min.: 1 Mult.: 1				MSOP-8						1337AGD	SMD/SMT	Tube
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR BQ4802YDW Texas Instruments 1: $36.84 7In Stock End of Life	Mfr. Part No. BQ4802YDW Mouser Part No 595-BQ4802YDW End of Life	Texas Instruments	Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR	Datasheet	7In Stock	$36.84 $29.44 $27.59 $25.57 View $24.60 $24.02	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	BQ4802Y	SMD/SMT	Tube
Real Time Clock 4096k NV SRAM with Phantom Clock DS1251W-120IND+ Analog Devices / Maxim Integrated 1: $121.72 2In Stock	Mfr. Part No. DS1251W-120IND+ Mouser Part No 700-DS1251W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 4096k NV SRAM with Phantom Clock	Datasheet	2In Stock	$121.72 $101.36 $92.21 $87.38 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-32		2.97 V	3.63 V	- 40 C	+ 85 C	DS1251W	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12887A+ Analog Devices / Maxim Integrated 1: $28.72 96In Stock	Mfr. Part No. DS12887A+ Mouser Part No 700-DS12887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	96In Stock	$28.72 $22.36 $21.30 $19.67 View $18.75 $18.41 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS12887A	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12C887A+ Analog Devices / Maxim Integrated 1: $27.83 54In Stock	Mfr. Part No. DS12C887A+ Mouser Part No 700-DS12C887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	54In Stock	$27.83 $22.06 $20.60 $19.01 View $18.13 $17.82 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS12C887A	Through Hole	Tube
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12CR887-33+ Analog Devices / Maxim Integrated 1: $30.45 14In Stock	Mfr. Part No. DS12CR887-33+ Mouser Part No 700-DS12CR887-33	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	14In Stock	$30.45 $24.34 $22.81 $21.13 View $20.33 $19.84	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS12CR887	Through Hole	Tube
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12R885S-5+ Analog Devices / Maxim Integrated 1: $10.81 20In Stock	Mfr. Part No. DS12R885S-5+ Mouser Part No 700-DS12R885S-5	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	20In Stock	$10.81 $8.34 $7.72 $6.87 View $6.46 $6.38 $6.22 $5.97 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-24	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS12R885S	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305E+ Analog Devices / Maxim Integrated 1: $13.21 198In Stock	Mfr. Part No. DS1305E+ Mouser Part No 700-DS1305E	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	198In Stock	$13.21 $10.28 $9.55 $8.73 View $8.28 $8.11 $7.92 Quote	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1305E	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1306+ Analog Devices / Maxim Integrated 1: $15.16 103In Stock	Mfr. Part No. DS1306+ Mouser Part No 700-DS1306	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	103In Stock	$15.16 $11.90 $10.10 $10.08 View $9.36 $9.14 $8.87 Quote	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	DIP-16	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1306	Through Hole	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-18+ Analog Devices / Maxim Integrated 1: $8.45 142In Stock	Mfr. Part No. DS1308U-18+ Mouser Part No 700-DS1308U-18+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	142In Stock	$8.45 $6.47 $5.48 $5.43 View $5.17 $5.02 $4.95 $4.90	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	1.71 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-3+ Analog Devices / Maxim Integrated 1: $8.77 91In Stock	Mfr. Part No. DS1308U-3+ Mouser Part No 700-DS1308U-3+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	91In Stock	$8.77 $6.72 $5.70 $5.63 View $5.37 $5.21 $5.14 $5.09	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+ Analog Devices / Maxim Integrated 1: $8.77 133In Stock	Mfr. Part No. DS1308U-33+ Mouser Part No 700-DS1308U-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	133In Stock	$8.77 $6.72 $6.16 $5.63 View $5.37 $5.15 $5.07 $4.99 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1337S+ Analog Devices / Maxim Integrated 1: $6.34 148In Stock	Mfr. Part No. DS1337S+ Mouser Part No 700-DS1337S	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	148In Stock	$6.34 $5.14 $4.73 $4.26 View $4.04 $3.94 $3.69	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337S	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1337U+ Analog Devices / Maxim Integrated 1: $6.83 308In Stock	Mfr. Part No. DS1337U+ Mouser Part No 700-DS1337U	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	308In Stock	$6.83 $5.15 $4.72 $4.26 View $4.04 $4.01 $3.77 $3.69	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	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-3+ Analog Devices / Maxim Integrated 1: $9.03 119In Stock	Mfr. Part No. DS1338U-3+ Mouser Part No 700-DS1338U-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	119In Stock	$9.03 $6.92 $5.88 $5.81 View $5.52 $5.36 $5.30 $5.24	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1338U	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-33+ Analog Devices / Maxim Integrated 1: $8.47 350In Stock	Mfr. Part No. DS1338U-33+ Mouser Part No 700-DS1338U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	350In Stock	$8.47 $6.92 $5.88 $5.81 View $5.52 $5.36 $5.30 $5.24	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338U	SMD/SMT	Tube
Real Time Clock Low-Current, I C, Serial Real-Time Clock DS1339AU+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS1339AU+ Mouser Part No 700-DS1339AU+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current, I C, Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	1.71 V	5.5 V	- 40 C	+ 85 C	DS1339AU	SMD/SMT	Tube
Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP DS1339BU+ Analog Devices / Maxim Integrated 1: $10.05 25In Stock	Mfr. Part No. DS1339BU+ Mouser Part No 700-DS1339BU+	Analog Devices / Maxim Integrated	Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	25In Stock	$10.05 $7.75 $6.58 $6.53 View $6.05 $5.78 $5.59 $5.39	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1339BU	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1339U-2+ Analog Devices / Maxim Integrated 1: $9.59 290In Stock	Mfr. Part No. DS1339U-2+ Mouser Part No 700-DS1339U-2	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	290In Stock	$9.59 $7.26 $6.56 $6.05 View $5.75 $5.56 $5.44 $5.43 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	1.8 V	2.2 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340C-33# Analog Devices / Maxim Integrated 1: $16.24 175In Stock	Mfr. Part No. DS1340C-33# Mouser Part No 700-DS1340C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger	Datasheet	175In Stock	$16.24 $12.72 $11.83 $10.85 View $10.76 $10.12 $9.89 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340C	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-33+ Analog Devices / Maxim Integrated 1: $9.03 13In Stock	Mfr. Part No. DS1340U-33+ Mouser Part No 700-DS1340U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	13In Stock	$9.03 $6.92 $6.34 $5.81 View $5.52 $5.36 $5.30 $5.24	Min.: 1 Mult.: 1	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	Tube
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+ Analog Devices / Maxim Integrated 1: $6.98 121In Stock	Mfr. Part No. DS1341U+ Mouser Part No 700-DS1341U	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTCs for High-ESR Crystals Learn More about Analog Devices / Maxim Integrated maxim ds134x	Datasheet	121In Stock	$6.98 $5.25 $4.46 $4.35 View $4.12 $4.07 $3.82 $3.71	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	DS1341U	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-3+ Analog Devices / Maxim Integrated 1: $6.17 17In Stock	Mfr. Part No. DS1343E-3+ Mouser Part No 700-DS1343E-3+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	17In Stock	$6.17 $6.04 $5.90 $5.78 View $5.70 $5.62 $5.52 $5.44	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1343E	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1344E-33+ Analog Devices / Maxim Integrated 1: $11.21 49In Stock	Mfr. Part No. DS1344E-33+ Mouser Part No 700-DS1344E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	49In Stock	$11.21 $8.64 $8.00 $7.29 View $6.75 $6.53 $6.22	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1344E	SMD/SMT	Tube
Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID DS1372U+ Analog Devices / Maxim Integrated 1: $6.96 112In Stock	Mfr. Part No. DS1372U+ Mouser Part No 700-DS1372U	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID	Datasheet	112In Stock	$6.96 $5.30 $4.50 $4.42 View $4.20 $4.07 $3.98 $3.90	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-8	No Backup Switching	2.4 V	5.5 V	- 40 C	+ 85 C	DS1372U+	SMD/SMT	Tube