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SMD/SMT Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 I C Serial Real-Time Clock DS1339U-3+T&R Analog Devices / Maxim Integrated 1: $3.87 423In Stock	Mfr. Part No. DS1339U-3+T&R Mouser Part No 700-DS1339U-3T&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	423In Stock	Cut Tape $3.87 $3.79 $3.70 $3.63 View $3.57 $3.52 $3.47 $3.42 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	2.7 V	3.3 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302S+T&R Analog Devices / Maxim Integrated 1: $3.35 1,803In Stock	Mfr. Part No. DS1302S+T&R Mouser Part No 700-DS1302ST&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,803In Stock	Cut Tape $3.35 $3.28 $3.21 $3.14 View $3.09 $3.05 $3.00 $2.96 MouseReel Available	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1302S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+T Analog Devices / Maxim Integrated 1: $6.45 1,732In Stock	Mfr. Part No. DS1308U-33+T Mouser Part No 700-DS1308U-33+T	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	1,732In Stock	Cut Tape $6.45 $4.94 $4.57 $4.15 View $3.96 $3.84 $3.79 $3.74 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	3 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger DS1340U-3+T&R Analog Devices / Maxim Integrated 1: $3.76 1,516In Stock	Mfr. Part No. DS1340U-3+T&R Mouser Part No 700-DS1340U-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1,516In Stock	Cut Tape $3.76 $3.68 $3.60 $3.53 View $3.48 $3.42 $3.37 $3.32 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+T&R Analog Devices / Maxim Integrated 1: $5.06 2,859In Stock	Mfr. Part No. DS1341U+T&R Mouser Part No 700-DS1341U+T&R	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	2,859In Stock	Cut Tape $5.06 $3.86 $3.47 $3.19 View $3.03 $2.99 $2.93 $2.66 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	DS1341U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556WP-120IND+ Analog Devices / Maxim Integrated 1: $53.78 38In Stock	Mfr. Part No. DS1556WP-120IND+ Mouser Part No 700-DS1556WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	38In Stock	$53.78 $52.59 $51.45 $50.42 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1556WP	SMD/SMT	Tray
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746P-70+ Analog Devices / Maxim Integrated 1: $67.19 33In Stock	Mfr. Part No. DS1746P-70+ Mouser Part No 700-DS1746P-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	33In Stock	$67.19 $55.53 $51.81 $49.56 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1746P	SMD/SMT	Tray
Real Time Clock 32.768kHz SPI Time Acc. 25ppm RV-3149-C3 32.768kHz OPTION B TA QC Micro Crystal 1: $3.70 717In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION B TA QC Mouser Part No 428-203605-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 25ppm Learn More about Micro Crystal real time clock modules	Datasheet	717In Stock	Cut Tape $3.70 $2.78 $2.56 $2.30 Reel $2.01 View $2.17 $2.12 $1.95 $1.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX8010SJ Epson Timing 1: $3.46 54,164In Stock	Mfr. Part No. RX8010SJ Mouser Part No 732-RX8010SJ	Epson Timing	Real Time Clock	Datasheet	54,164In Stock	$3.46 $2.58 $2.36 $2.11 View $2.00 $1.95 $1.85 $1.80 $1.76	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX8010SJ	SMD/SMT	Bulk
Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR BQ32000D Texas Instruments 1: $2.29 673In Stock	Mfr. Part No. BQ32000D Mouser Part No 595-BQ32000D	Texas Instruments	Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR	Datasheet	673In Stock	$2.29 $1.92 $1.74 $1.49 View $1.45 $1.44 $1.41 $1.39	Min.: 1 Mult.: 1	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	BQ32000	SMD/SMT	Tube
Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR RX8130CE B6 Epson Timing 1: $1.39 90,872In Stock	Mfr. Part No. RX8130CE B6 Mouser Part No 732-RX8130CEB6	Epson Timing	Real Time Clock RX8130CE:B6 REAL TIME CLOCK +/-23PPM 2K TR	Datasheet	90,872In Stock	Cut Tape $1.39 $1.00 $0.905 $0.80 Reel $0.649 View $0.749 $0.719 $0.702 $0.632 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.25 V	5.5 V	- 40 C	+ 85 C	RX8130CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm RV-3149-C3 32.768kHz OPTION A TA QC Micro Crystal 1: $4.33 19In Stock	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TA QC Mouser Part No 428-203658-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	19In Stock	Cut Tape $4.33 $3.26 $3.00 $2.70 Reel $2.46 View $2.57 $2.55 $2.43 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IRTZ Renesas / Intersil 1: $2.82 851In Stock	Mfr. Part No. ISL12058IRTZ Mouser Part No 968-ISL12058IRTZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	851In Stock	$2.82 $2.10 $1.93 $1.72 View $1.62 $1.59 $1.52 $1.48 $1.44	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12058	SMD/SMT	Tube
Real Time Clock Low Power Consumption I C RTC 3.2 x 2.5 x 1.0 mm (lwh) ECS-RTC-3225-5609-TR ECS 1: $5.07 11,700In Stock	Mfr. Part No. ECS-RTC-3225-5609-TR Mouser Part No 520-ECSRTC32255609TR	ECS	Real Time Clock Low Power Consumption I C RTC 3.2 x 2.5 x 1.0 mm (lwh) Learn More about ECS rtc real time clock module	Datasheet	11,700In Stock	Cut Tape $5.07 $3.86 $3.56 $3.23 Reel $2.79 View $3.07 $2.88 $2.75 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5 V	- 20 C	+ 80 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DVGI8 Renesas Electronics 1: $3.23 27In Stock 5,000Expected 04/04/2028	Mfr. Part No. 1338-31DVGI8 Mouser Part No 972-1338-31DVGI8	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	27In Stock 5,000Expected 04/04/2028	Cut Tape $3.23 $2.41 $2.20 $1.98 View Reel $1.72 $1.87 $1.83 $1.73 $1.72 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.3 V	3.7 V	- 40 C	+ 85 C	1338	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC PT7C4337AWEX Diodes Incorporated 1: $1.22 327In Stock	Mfr. Part No. PT7C4337AWEX Mouser Part No 729-PT7C4337AWEX	Diodes Incorporated	Real Time Clock Real-time Clock IC Learn More about Diodes Incorporated diodes timing solutions	Datasheet	327In Stock	Cut Tape $1.22 $0.88 $0.797 $0.704 View Reel $0.64 $0.66 $0.641 $0.64 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XLA-32.768KHZ-2-T1 ABRACON 1: $3.07 900In Stock New Product	Mfr. Part No. AB-RTC-XLA-32.768KHZ-2-T1 Mouser Part No 815-TCXLA32768KHZ2T1 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	900In Stock	Cut Tape $3.07 $2.30 $2.10 $1.89 Reel $1.65 View $1.79 $1.73 $1.62 $1.59 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XLA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock w/242x8 NVSRAM Alarm Wake-up BQ3285ES Texas Instruments 1: $21.02 85In Stock End of Life	Mfr. Part No. BQ3285ES Mouser Part No 595-BQ3285ES End of Life	Texas Instruments	Real Time Clock w/242x8 NVSRAM Alarm Wake-up	Datasheet	85In Stock	$21.02 $16.66 $15.57 $14.37 View $13.71 $13.46	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-24		4.5 V	5.5 V	0 C	+ 70 C	BQ3285E	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-33+ Analog Devices / Maxim Integrated 1: $8.11 155In Stock	Mfr. Part No. DS1343E-33+ Mouser Part No 700-DS1343E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	155In Stock	$8.11 $6.26 $5.78 $5.13 View $4.96 $4.91 $4.80 $4.69	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	DS1343E	SMD/SMT	Tube
Real Time Clock Real-time Clock Mod I2C Bus PT7C4307WEX Diodes Incorporated 1: $1.31 4,411In Stock Factory Special Order	Mfr. Part No. PT7C4307WEX Mouser Part No 729-PT7C4307WEX Factory Special Order	Diodes Incorporated	Real Time Clock Real-time Clock Mod I2C Bus Learn More about Diodes Incorporated diodes timing solutions	Datasheet	4,411In Stock	Cut Tape $1.31 $0.943 $0.854 $0.754 Reel $0.629 View $0.707 $0.679 $0.648 $0.614 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554P-70+ Analog Devices / Maxim Integrated 1: $34.18 37In Stock	Mfr. Part No. DS1554P-70+ Mouser Part No 700-DS1554P-70	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	37In Stock	$34.18 $33.42 $32.70 $32.04 View $31.55 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1554P	SMD/SMT	Tray
Real Time Clock 3V/5V Real-Time Clocks DS17885S-5+ Analog Devices / Maxim Integrated 1: $37.43 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	$37.43 $30.30 $28.52 $26.74 View $25.63 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	0 C	+ 70 C	DS17885S	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340U-18+ Analog Devices / Maxim Integrated 1: $7.68 259In Stock	Mfr. Part No. DS1340U-18+ Mouser Part No 700-DS1340U-18	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	259In Stock	$7.68 $5.92 $5.30 $4.99 View $4.62 $4.48 $4.26	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	1.71 V	1.89 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746WP-120IND+ Analog Devices / Maxim Integrated 1: $53.30 20In Stock	Mfr. Part No. DS1746WP-120IND+ Mouser Part No 700-DS1746WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	20In Stock	$53.30 $52.12 $50.99 $49.97 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1746WP	SMD/SMT	Tray
Real Time Clock I C RTC with Trickle Charger DS1340U-3+ Analog Devices / Maxim Integrated 1: $3.76 204In Stock	Mfr. Part No. DS1340U-3+ Mouser Part No 700-DS1340U-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	204In Stock	$3.76 $3.68 $3.60 $3.53 View $3.48 $3.42 $3.37 $3.32	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Tube