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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 4096k NV SRAM with Phantom Clock DS1251W-120IND+ Analog Devices / Maxim Integrated 1: $89.50 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	$89.50 $74.53 $67.80 $64.25 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: $21.12 51In Stock	Mfr. Part No. DS12887A+ Mouser Part No 700-DS12887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	51In Stock	$21.12 $16.44 $15.66 $14.46 View $13.79 $13.54 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: $20.46 53In Stock	Mfr. Part No. DS12C887A+ Mouser Part No 700-DS12C887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	53In Stock	$20.46 $16.22 $15.15 $13.98 View $13.33 $13.10 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: $22.39 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	$22.39 $17.90 $16.77 $15.54 View $14.95 $14.59	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: $7.95 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	$7.95 $6.13 $5.68 $5.05 View $4.75 $4.69 $4.57 $4.39 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: $9.71 123In Stock	Mfr. Part No. DS1305E+ Mouser Part No 700-DS1305E	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	123In Stock	$9.71 $7.56 $7.02 $6.42 View $6.09 $5.96 $5.82 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: $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 $8.75 $7.43 $7.41 View $6.88 $6.72 $6.52 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 64 x 8, Serial, I C Real-Time Clock DS1307ZN+ Analog Devices / Maxim Integrated 1: $6.40 372In Stock	Mfr. Part No. DS1307ZN+ Mouser Part No 700-DS1307ZN	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	372In Stock	$6.40 $4.90 $4.53 $3.84 View $3.80 $3.75 $3.71	Min.: 1 Mult.: 1	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1307ZN	SMD/SMT	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-18+ Analog Devices / Maxim Integrated 1: $6.21 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	$6.21 $4.76 $4.03 $3.99 View $3.80 $3.69 $3.64 $3.60	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: $6.45 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	$6.45 $4.94 $4.19 $4.14 View $3.95 $3.83 $3.78 $3.74	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: $6.45 116In 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	116In Stock	$6.45 $4.94 $4.53 $4.14 View $3.95 $3.79 $3.73 $3.67 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: $4.66 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	$4.66 $3.78 $3.48 $3.13 View $2.97 $2.90 $2.71	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: $5.02 297In 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	297In Stock	$5.02 $3.79 $3.47 $3.13 View $2.97 $2.95 $2.77 $2.71	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	DS1337U	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-3+ Analog Devices / Maxim Integrated 1: $6.63 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	$6.63 $5.08 $4.69 $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)	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: $6.23 347In 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	347In Stock	$6.23 $5.09 $4.32 $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)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338U	SMD/SMT	Tube
Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP DS1339BU+ Analog Devices / Maxim Integrated 1: $7.39 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	$7.39 $5.70 $4.84 $4.80 View $4.45 $4.25 $4.11 $3.96	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: $7.05 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	$7.05 $5.34 $4.82 $4.45 View $4.23 $4.09 $4.00 $3.99 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: $11.94 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	$11.94 $9.35 $8.70 $7.98 View $7.91 $7.44 $7.27 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: $6.64 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	$6.64 $5.09 $4.66 $4.27 View $4.06 $3.94 $3.90 $3.85	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: $5.13 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	$5.13 $3.86 $3.28 $3.20 View $3.03 $2.99 $2.81 $2.73	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: $4.54 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	$4.54 $4.44 $4.34 $4.25 View $4.19 $4.13 $4.06 $4.00	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: $8.24 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	$8.24 $6.35 $5.88 $5.36 View $4.96 $4.80 $4.57	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: $5.12 100In 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	100In Stock	$5.12 $3.90 $3.31 $3.25 View $3.09 $2.99 $2.93 $2.87	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
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-3+ Analog Devices / Maxim Integrated 1: $6.48 91In Stock	Mfr. Part No. DS1374U-3+ Mouser Part No 700-DS1374U-3	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	91In Stock	$6.48 $4.96 $4.47 $4.24 View $4.00 $3.89 $3.82 $3.73	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-10	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Tube
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-33+ Analog Devices / Maxim Integrated 1: $6.64 4In Stock	Mfr. Part No. DS1374U-33+ Mouser Part No 700-DS1374U-33	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	4In Stock	$6.64 $5.09 $4.32 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Tube