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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	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock Serial Alarm Real-Time Clock DS1306E+ Analog Devices / Maxim Integrated 1: $7.86 1,812In Stock	Mfr. Part No. DS1306E+ Mouser Part No 700-DS1306E	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1,812In Stock	$7.86 $6.90 $6.40 $5.84 View $5.57 $5.42 $5.27	Min.: 1 Mult.: 1 Max.: 1,449	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2 V	5.5 V	+ 70 C	DS1306E	SMD/SMT	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307+ Analog Devices / Maxim Integrated 1: $6.94 691In Stock	Mfr. Part No. DS1307+ Mouser Part No 700-DS1307	Analog Devices / Maxim Integrated	Real Time Clock 64 x 8, Serial, I C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1307	Datasheet	691In Stock	$6.94 $5.33 $4.92 $4.48 View $4.26 $4.13	Min.: 1 Mult.: 1 Max.: 552	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-8	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1307	Through Hole	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307Z+ Analog Devices / Maxim Integrated 1: $5.70 2,300In Stock	Mfr. Part No. DS1307Z+ Mouser Part No 700-DS1307Z	Analog Devices / Maxim Integrated	Real Time Clock 64 x 8, Serial, I C Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1307	Datasheet	2,300In Stock	$5.70 $4.35 $4.02 $3.63 View $3.44 $3.34 $3.28	Min.: 1 Mult.: 1 Max.: 1,840	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1307Z	SMD/SMT	Tube
Real Time Clock Phantom Time Chip DS1315E-5+ Analog Devices / Maxim Integrated 1: $37.86 16In Stock	Mfr. Part No. DS1315E-5+ Mouser Part No 700-DS1315E-5	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	16In Stock	$37.86 $30.65 $28.84 $27.64 View $25.91 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1315E	SMD/SMT	Tube
Real Time Clock Phantom Time Chip DS1315S-5+ Analog Devices / Maxim Integrated 1: $37.67 96In Stock	Mfr. Part No. DS1315S-5+ Mouser Part No 700-DS1315S-5	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	96In Stock	$37.67 $30.49 $28.26 $26.57 View $25.46 $25.39 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1315S	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZ+ Analog Devices / Maxim Integrated 1: $18.82 36In Stock	Mfr. Part No. DS1501WZ+ Mouser Part No 700-DS1501WZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	36In Stock	$18.82 $15.26 $12.96 $12.77 View $12.26 $12.04 Quote	Min.: 1 Mult.: 1	Parallel	YYYY-MM-DD	HH:MM:SS (24 hr)	SO-28		3 V	3.6 V	+ 70 C	DS1501WZ+	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511W+ Analog Devices / Maxim Integrated 1: $39.62 49In Stock	Mfr. Part No. DS1511W+ Mouser Part No 700-DS1511W	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	49In Stock	$39.62 $32.09 $30.18 $28.95 View $27.13 $27.12 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Backup Switching	3 V	3.6 V	+ 70 C	DS1511W	Through Hole	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70+ Analog Devices / Maxim Integrated 1: $55.06 17In Stock	Mfr. Part No. DS1554-70+ Mouser Part No 700-DS1554-70	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	17In Stock	$55.06 $45.01 $42.47 $41.30 View $37.53 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	+ 70 C	DS1554	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685-5+ Analog Devices / Maxim Integrated 1: $16.00 33In Stock	Mfr. Part No. DS1685-5+ Mouser Part No 700-DS1685-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	33In Stock	$16.00 $12.18 $11.60 $9.80 View $9.62 $9.22 $9.04 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-24	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1685	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685E-5+ Analog Devices / Maxim Integrated 1: $12.40 467In Stock	Mfr. Part No. DS1685E-5+ Mouser Part No 700-DS1685E-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	467In Stock	$12.40 $10.63 $9.34 $9.00 $8.65	Min.: 1 Mult.: 1 Max.: 373	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-24	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1685E	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685S-3+ Analog Devices / Maxim Integrated 1: $12.42 80In Stock	Mfr. Part No. DS1685S-3+ Mouser Part No 700-DS1685S-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	80In Stock	$12.42 $9.73 $9.05 $8.32 View $8.23 $7.75 $7.57 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-24	Backup Switching	2.7 V	3.7 V	+ 70 C	DS1685S	SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1687-3+ Analog Devices / Maxim Integrated 1: $30.65 68In Stock	Mfr. Part No. DS1687-3+ Mouser Part No 700-DS1687-3	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	68In Stock	$30.65 $24.49 $22.96 $21.26 View $20.47 $19.98 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	2.7 V	3.7 V	+ 70 C	DS1687	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70+ Analog Devices / Maxim Integrated 1: $64.79 213In Stock	Mfr. Part No. DS1744-70+ Mouser Part No 700-DS1744-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	213In Stock	$64.79 $53.52 $50.68 $50.04	Min.: 1 Mult.: 1 Max.: 210	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	+ 70 C	DS1744	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744WP-120+ Analog Devices / Maxim Integrated 1: $61.27 53In Stock	Mfr. Part No. DS1744WP-120+ Mouser Part No 700-DS1744WP-120	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	53In Stock	$61.27 $50.60 $47.94 $44.53 View $44.52 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	+ 70 C	DS1744WP	Through Hole	Tray
Real Time Clock Extremely Accurate I C RTC with Integrat DS3232S# Analog Devices / Maxim Integrated 1: $14.97 142In Stock	Mfr. Part No. DS3232S# Mouser Part No 700-DS3232S#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate I C RTC with Integrat	Datasheet	142In Stock	$14.97 $13.21 $12.30 $11.29	Min.: 1 Mult.: 1 Max.: 113	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2.3 V	5.5 V	+ 70 C	DS3232S	SMD/SMT	Tube
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234S# Analog Devices / Maxim Integrated 1: $16.88 550In Stock	Mfr. Part No. DS3234S# Mouser Part No 700-DS3234S#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	550In Stock	$16.88 $13.21 $12.30 $11.29 $11.18	Min.: 1 Mult.: 1 Max.: 440	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2 V	5.5 V	+ 70 C	DS3234S	SMD/SMT	Tube
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR BQ4802LYPW Texas Instruments 1: $10.09 1In Stock End of Life	Mfr. Part No. BQ4802LYPW Mouser Part No 595-BQ4802LYPW End of Life	Texas Instruments	Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR	Datasheet	1In Stock	$10.09 $8.15 $6.92 $6.27 View $6.22 $6.11 $6.00 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-28	Backup Switching	2.7 V	3.6 V	+ 70 C	BQ4802LY	SMD/SMT	Tube
Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR BQ4802YDW Texas Instruments 1: $27.10 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	$27.10 $21.66 $20.29 $18.81 View $18.10 $17.67	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-28	Backup Switching	4.5 V	5.5 V	+ 70 C	BQ4802Y	SMD/SMT	Tube
Real Time Clock 4096k NV SRAM with Phantom Clock DS1251WP-120+ Analog Devices / Maxim Integrated 1: $81.29 22In Stock	Mfr. Part No. DS1251WP-120+ Mouser Part No 700-DS1251WP-120	Analog Devices / Maxim Integrated	Real Time Clock 4096k NV SRAM with Phantom Clock	Datasheet	22In Stock	$81.29 $67.70 $61.34 $58.49 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	+ 70 C	DS1251WP	SMD/SMT	Tray
Real Time Clock Real-Time Clocks DS12887A+ Analog Devices / Maxim Integrated 1: $21.12 101In Stock	Mfr. Part No. DS12887A+ Mouser Part No 700-DS12887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	101In Stock	$21.12 $16.44 $15.67	Min.: 1 Mult.: 1 Max.: 82	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	+ 70 C	DS12887A	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12C887A+ Analog Devices / Maxim Integrated 1: $20.47 54In Stock	Mfr. Part No. DS12C887A+ Mouser Part No 700-DS12C887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	54In Stock	$20.47 $16.22 $15.15 $13.98 View $13.33 $13.11 $12.58 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	+ 70 C	DS12C887A	Through Hole	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305E+ Analog Devices / Maxim Integrated 1: $9.71 198In Stock 8On Order	Mfr. Part No. DS1305E+ Mouser Part No 700-DS1305E	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	198In Stock 8On Order	$9.71 $7.56 $7.02 $6.42	Min.: 1 Mult.: 1 Max.: 158	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2 V	5.5 V	+ 70 C	DS1305E	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1306+ Analog Devices / Maxim Integrated 1: $11.15 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	$11.15 $8.76 $7.43	Min.: 1 Mult.: 1 Max.: 82	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	DIP-16	Backup Switching	2 V	5.5 V	+ 70 C	DS1306	Through Hole	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YZ+ Analog Devices / Maxim Integrated 1: $20.03 6In Stock	Mfr. Part No. DS1501YZ+ Mouser Part No 700-DS1501YZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	6In Stock	$20.03 $16.25 $13.79 $13.50 View $12.90 $12.63 $12.54 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-28	Backup Switching	4.5 V	5.5 V	+ 70 C	DS1501YZ+	SMD/SMT	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554WP-120+ Analog Devices / Maxim Integrated 1: $32.19 2In Stock	Mfr. Part No. DS1554WP-120+ Mouser Part No 700-DS1554WP-120	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	2In Stock	$32.19 $31.48 $31.39	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	+ 70 C	DS1554WP	SMD/SMT	Tray