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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 Phantom Time Chip DS1315S-33+ Analog Devices / Maxim Integrated 1: $34.08 65In Stock	Mfr. Part No. DS1315S-33+ Mouser Part No 700-DS1315S-33	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	65In Stock	$34.08 $27.59 $25.97 $24.89 View $23.33 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	3.6 V	0 C	+ 70 C	DS1315S	SMD/SMT	Tube
Real Time Clock I C RTC/Supervisor with Trickle Charger DS1388Z-3+ Analog Devices / Maxim Integrated 1: $4.76 325In Stock	Mfr. Part No. DS1388Z-3+ Mouser Part No 700-DS1388Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	325In Stock	$4.76 $4.66 $4.56 $4.47 View $4.40 $4.33 $4.27 $4.20	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1388Z	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1394U-33+ Analog Devices / Maxim Integrated 1: $3.70 2,966In Stock	Mfr. Part No. DS1394U-33+ Mouser Part No 700-DS1394U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2,966In Stock	$3.70 $3.62 $3.54 $3.47 View $3.41 $3.36 $3.31 $3.26	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1394U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511Y+ Analog Devices / Maxim Integrated 1: $41.33 96In Stock	Mfr. Part No. DS1511Y+ Mouser Part No 700-DS1511Y	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	96In Stock	$41.33 $33.29 $31.16 $29.60 View $28.32 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1511Y	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120+ Analog Devices / Maxim Integrated 1: $70.04 35In Stock	Mfr. Part No. DS1556W-120+ Mouser Part No 700-DS1556W-120	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	35In Stock	$70.04 $61.49 $56.42 $55.43	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)		Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1556W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70IND+ Analog Devices / Maxim Integrated 1: $74.56 166In Stock	Mfr. Part No. DS1744-70IND+ Mouser Part No 700-DS1744-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	166In Stock	$74.56 $61.58 $58.33 $57.61 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1744	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17887-5+ Analog Devices / Maxim Integrated 1: $43.49 72In Stock	Mfr. Part No. DS17887-5+ Mouser Part No 700-DS17887-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	72In Stock	$43.49 $35.54 $33.54 $32.61 View $30.33 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	DS17887	Through Hole	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-3+ Analog Devices / Maxim Integrated 1: $6.64 2,678In Stock	Mfr. Part No. DS1338Z-3+ Mouser Part No 700-DS1338Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	2,678In Stock	$6.64 $5.09 $4.70 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1339U-3+ Analog Devices / Maxim Integrated 1: $3.87 1,309In Stock	Mfr. Part No. DS1339U-3+ Mouser Part No 700-DS1339U-3	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	1,309In Stock	$3.87 $3.79 $3.70 $3.63 View $3.57 $3.52 $3.47 $3.42	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	Tube
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IRTZ Renesas / Intersil 1: $2.82 953In Stock	Mfr. Part No. ISL12058IRTZ Mouser Part No 968-ISL12058IRTZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	953In 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 w/242x8 NVSRAM Alarm Wake-up BQ3285ES Texas Instruments 1: $18.28 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	$18.28 $14.50 $13.53 $12.50 View $11.92 $11.70 Quote	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 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120IND+ Analog Devices / Maxim Integrated 1: $78.07 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	$78.07 $65.02 $61.20 $57.82 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: $36.45 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	$36.45 $29.52 $27.76 $26.62 View $24.96 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	DS17487	Through Hole	Tube
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-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
Real Time Clock 3V/5V Real-Time Clocks DS17287-3+ Analog Devices / Maxim Integrated 1: $33.58 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	$33.58 $26.99 $25.58 $24.13 View $22.99 $22.98 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-24	Backup Switching	2.7 V	3.7 V	0 C	+ 70 C	DS17287	Through Hole	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 DS1746W-120IND+ Analog Devices / Maxim Integrated 1: $76.34 23In Stock	Mfr. Part No. DS1746W-120IND+ Mouser Part No 700-DS1746W-120IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	23In Stock	$76.34 $63.06 $59.56 $56.69	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	2.97 V	3.63 V	- 40 C	+ 85 C	DS1746W	Through Hole	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-33+ Analog Devices / Maxim Integrated 1: $8.17 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	$8.17 $6.30 $5.83 $5.31 View $4.92 $4.91 $4.76 $4.53	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 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556-70+ Analog Devices / Maxim Integrated 1: $82.66 16In Stock	Mfr. Part No. DS1556-70+ Mouser Part No 700-DS1556-70	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	16In Stock	$82.66 $68.84 $64.80 $61.22 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1556	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1747W-120+ Analog Devices / Maxim Integrated 1: $82.39 21In Stock	Mfr. Part No. DS1747W-120+ Mouser Part No 700-DS1747W-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	21In Stock	$82.39 $68.61 $64.59 $61.01 Quote Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1747W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746-70+ Analog Devices / Maxim Integrated 1: $70.22 452In 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	452In Stock	$70.22 $58.00 $54.94 $54.25 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1746	Through Hole	Tube
Real Time Clock 5ppm, I C Real-Time Clock with SRAM DS3232MZ+ Analog Devices / Maxim Integrated 1: $15.61 2,531In Stock	Mfr. Part No. DS3232MZ+ Mouser Part No 700-DS3232MZ+	Analog Devices / Maxim Integrated	Real Time Clock 5ppm, I C Real-Time Clock with SRAM	Datasheet	2,531In Stock	$15.61 $12.22 $11.68 $9.92 View $9.73 $9.51 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.3 V	4.5 V	- 40 C	+ 85 C	DS3232MZ	SMD/SMT	Tube
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: $36.36 885In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	885In Stock	$36.36 $27.28 $26.02 $25.10 View $24.25 $24.18	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole	Tube
Real Time Clock 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: $44.08 944In Stock	Mfr. Part No. M48T12-150PC1 Mouser Part No 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	$44.08 $35.60 $33.91 $32.87 View $31.59 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T12	Through Hole	Tube