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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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-2+ Analog Devices / Maxim Integrated 1: £5.29 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	£5.29 £4.01 £3.62 £3.34 View £3.18 £3.07 £3.00 £2.99	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 Serial Real-Time Clock DS1339U-33+T&R Analog Devices / Maxim Integrated 1: £5.28 336In Stock	Mfr. Part No. DS1339U-33+T&R Mouser Part No 700-DS1339U-33T&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	336In Stock	Cut Tape £5.28 £4.05 £3.75 £3.40 View £3.25 £3.14 £3.11 £3.06 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	2.97 V	5.5 V	- 40 C	+ 85 C	DS1339U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger DS1340C-33# Analog Devices / Maxim Integrated 1: £8.97 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	£8.97 £7.02 £6.53 £5.99 View £5.94 £5.59 £5.46 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: £4.98 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	£4.98 £3.82 £3.50 £3.20 View £3.05 £2.96 £2.92 £2.89	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: £3.85 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	£3.85 £2.90 £2.46 £2.40 View £2.28 £2.24 £2.11 £2.05	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: £3.40 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	£3.40 £3.33 £3.32	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: £6.19 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	£6.19 £4.77 £4.42 £4.02 View £3.73 £3.61 £3.43	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: £3.84 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	£3.84 £2.92 £2.49 £2.44 View £2.32 £2.24 £2.20 £2.16	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: £4.86 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	£4.86 £3.73 £3.35 £3.19 View £3.00 £2.92 £2.87 £2.80	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: £4.98 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	£4.98 £3.82 £3.25 £3.20 View £3.05 £2.96 £2.92 £2.89	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
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374U-33+T&R Analog Devices / Maxim Integrated 1: £4.64 301In Stock	Mfr. Part No. DS1374U-33+T&R Mouser Part No 700-DS1374U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	301In Stock	Cut Tape £4.64 £3.54 £3.53 £3.21 £3.14 £2.70 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1390U-33+ Analog Devices / Maxim Integrated 1: £4.98 22In Stock	Mfr. Part No. DS1390U-33+ Mouser Part No 700-DS1390U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	22In Stock	£4.98 £3.82 £3.25 £3.20 View £3.05 £2.96 £2.92 £2.89	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	DS1390U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-3+ Analog Devices / Maxim Integrated 1: £4.98 40In Stock	Mfr. Part No. DS1391U-3+ Mouser Part No 700-DS1391U-3	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	40In Stock	£4.98 £3.82 £3.25 £3.20 View £3.05 £2.96 £2.92 £2.89	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1391U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-33+ Analog Devices / Maxim Integrated 1: £4.98 201In Stock	Mfr. Part No. DS1391U-33+ Mouser Part No 700-DS1391U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	201In Stock	£4.98 £3.82 £3.25 £3.20 View £3.05 £2.96 £2.92 £2.89	Min.: 1 Mult.: 1	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	DS1391U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1393U-33+ Analog Devices / Maxim Integrated 1: £5.76 43In Stock	Mfr. Part No. DS1393U-33+ Mouser Part No 700-DS1393U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	43In Stock	£5.76 £4.44 £3.78 £3.75 View £3.47 £3.36 £3.20	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1393U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZN+ Analog Devices / Maxim Integrated 1: £16.73 5In Stock	Mfr. Part No. DS1501WZN+ Mouser Part No 700-DS1501WZN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	5In Stock	£16.73 £13.26 £12.47 £11.44 £10.95	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-28	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	DS1501WZN+	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YZ+ Analog Devices / Maxim Integrated 1: £15.03 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	£15.03 £12.20 £10.35 £10.14 View £9.68 £9.48 £9.41 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	0 C	+ 70 C	DS1501YZ+	SMD/SMT	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554P-70IND+ Analog Devices / Maxim Integrated 1: £45.20 5In Stock	Mfr. Part No. DS1554P-70IND+ Mouser Part No 700-DS1554P-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	5In Stock	£45.20 £36.95 £34.89 £33.91 View £31.52 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	- 40 C	+ 85 C	DS1554P	SMD/SMT	Tray
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554W-120IND+ Analog Devices / Maxim Integrated 1: £44.56 9In Stock	Mfr. Part No. DS1554W-120IND+ Mouser Part No 700-DS1554W-120IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	9In Stock	£44.56 £36.49 £34.25 £32.32 View £31.16 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	DS1554W	Through Hole	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554WP-120+ Analog Devices / Maxim Integrated 1: £24.16 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	£24.16 £23.63 £23.56	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	0 C	+ 70 C	DS1554WP	SMD/SMT	Tray
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554WP-120IND+ Analog Devices / Maxim Integrated 1: £42.50 33In Stock	Mfr. Part No. DS1554WP-120IND+ Mouser Part No 700-DS1554WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	33In Stock	£42.50 £34.74 £32.79 £31.88 View £28.77 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	DS1554WP	SMD/SMT	Tray
Real Time Clock Portable System Controller DS1670E+ Analog Devices / Maxim Integrated 1: £11.80 90In Stock	Mfr. Part No. DS1670E+ Mouser Part No 700-DS1670E	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	90In Stock	£11.80 £9.25 £8.61 £7.80 View £7.72 £7.32 £7.15 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	2.97 V	3.63 V	0 C	+ 70 C	DS1670E	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-33+ Analog Devices / Maxim Integrated 1: £4.43 53In Stock	Mfr. Part No. DS1672S-33+ Mouser Part No 700-DS1672S-33	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	53In Stock	£4.43 £3.38 £3.11 £2.64 View £2.59 £2.56 £2.53	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Tube
Real Time Clock Portable System Controller DS1673E-3+ Analog Devices / Maxim Integrated 1: £12.27 69In Stock	Mfr. Part No. DS1673E-3+ Mouser Part No 700-DS1673E-3	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	69In Stock	£12.27 £9.72 £8.50 £8.21 View £7.98 £7.75 £7.58 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	Binary	Binary	TSSOP-20	Backup Switching	2.7 V	3.3 V	0 C	+ 70 C	DS1673E	SMD/SMT	Tube
Real Time Clock Portable System Controller DS1673E-5+ Analog Devices / Maxim Integrated 1: £11.21 9In Stock	Mfr. Part No. DS1673E-5+ Mouser Part No 700-DS1673E-5	Analog Devices / Maxim Integrated	Real Time Clock Portable System Controller	Datasheet	9In Stock	£11.21 £8.77 £7.72 £7.47 View £7.43 £7.00 £6.89 Quote	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-20	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1673E	SMD/SMT	Tube