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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	Qualification	Packaging
Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus PCA85063ATT/AJ NXP Semiconductors 1: £1.34 13In Stock 12,500On Order NRND	Mfr. Part No. PCA85063ATT/AJ Mouser Part No 771-PCA85063ATT/AJ NRND	NXP Semiconductors	Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus	Datasheet	13In Stock 12,500On Order On Order Ship Dates Mfr. No: PCA85063ATT/AJ Stock: 13 Can Dispatch Immediately On Order: 5,000 Expected 14/01/2027 7,500 Expected 01/02/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.34 £0.995 £0.871 £0.773 View Reel £0.635 £0.721 £0.693 £0.68 £0.635 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 105 C	PCA85063A	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Real Time Clock 4096k NV SRAM with Phantom Clock DS1251W-120IND+ Analog Devices / Maxim Integrated 1: £67.19 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	£67.19 £55.96 £50.90 £48.24 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: £15.85 51In Stock	Mfr. Part No. DS12887A+ Mouser Part No 700-DS12887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	51In Stock	£15.85 £12.34 £11.76 £10.86 View £10.35 £10.16 £9.94 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: £15.36 53In Stock	Mfr. Part No. DS12C887A+ Mouser Part No 700-DS12C887A	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	53In Stock	£15.36 £12.18 £11.38 £10.49 View £10.00 £9.84 £9.45 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: £16.81 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	£16.81 £13.44 £12.59 £11.66 View £11.23 £10.96	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: £5.97 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	£5.97 £4.60 £4.26 £3.79 View £3.57 £3.52 £3.43 £3.30 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: £7.29 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	£7.29 £5.67 £5.27 £4.82 View £4.57 £4.48 £4.37 £4.02	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: £8.37 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	£8.37 £6.57 £5.58 £5.56 View £5.17 £5.05 £4.90 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: £4.80 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	£4.80 £3.68 £3.40 £2.88 View £2.85 £2.82 £2.78	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: £4.66 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	£4.66 £3.57 £3.03 £2.99 View £2.85 £2.77 £2.73 £2.71	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: £4.85 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	£4.85 £3.71 £3.14 £3.11 View £2.97 £2.87 £2.84 £2.81	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: £4.85 1In 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	1In Stock	£4.85 £3.71 £3.40 £3.11 View £2.97 £2.85 £2.80 £2.76 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: £3.50 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	£3.50 £2.84 £2.61 £2.35 View £2.23 £2.17 £2.03	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: £3.77 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	£3.77 £2.85 £2.60 £2.35 View £2.23 £2.22 £2.08 £2.03	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 Serial Real-Time Clock DS1337U+T&R Analog Devices / Maxim Integrated 1: £3.77 459In Stock	Mfr. Part No. DS1337U+T&R Mouser Part No 700-DS1337UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	459In Stock	Cut Tape £3.77 £2.85 £2.61 £2.36 View £2.23 £2.22 £1.89 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	DS1337U	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-3+ Analog Devices / Maxim Integrated 1: £4.98 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	£4.98 £3.82 £3.52 £3.20 View £3.05 £2.96 £2.92 £2.89	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: £4.68 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	£4.68 £3.82 £3.25 £3.20 View £3.05 £2.96 £2.92 £2.89	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 I C RTC with 56-Byte NV RAM DS1338Z-33+T&R Analog Devices / Maxim Integrated 1: £4.98 146In Stock	Mfr. Part No. DS1338Z-33+T&R Mouser Part No 700-DS1338Z-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	146In Stock	Cut Tape £4.98 £3.82 £3.53 £3.21 £3.14 £2.70 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP DS1339BU+ Analog Devices / Maxim Integrated 1: £5.55 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	£5.55 £4.28 £3.63 £3.61 View £3.34 £3.20 £3.08 £2.98	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: £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