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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 I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/MS Microchip Technology 1: £0.882 698In Stock	Mfr. Part No. MCP79411-I/MS Mouser Part No 579-MCP79411IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	698In Stock	£0.882 £0.811 £0.801	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79511-I/MS Microchip Technology 1: £1.05 494In Stock	Mfr. Part No. MCP79511-I/MS Mouser Part No 579-MCP79511-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	494In Stock	£1.05 £0.96 £0.943	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED ID MCP795W10-I/SL Microchip Technology 1: £1.32 438In Stock	Mfr. Part No. MCP795W10-I/SL Mouser Part No 579-MCP795W10-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	438In Stock	£1.32 £1.22 £1.20	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 MCP795W11-I/ST Microchip Technology 1: £1.42 195In Stock	Mfr. Part No. MCP795W11-I/ST Mouser Part No 579-MCP795W11-I/ST	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	195In Stock	£1.42 £1.32 £1.29	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20-I/SL Microchip Technology 1: £1.39 333In Stock	Mfr. Part No. MCP795W20-I/SL Mouser Part No 579-MCP795W20-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	333In Stock	£1.39 £1.28 £1.26	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20-I/ST Microchip Technology 1: £1.42 192In Stock	Mfr. Part No. MCP795W20-I/ST Mouser Part No 579-MCP795W20-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	192In Stock	£1.42 £1.32 £1.29	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/SL Microchip Technology 1: £1.46 270In Stock	Mfr. Part No. MCP795W21-I/SL Mouser Part No 579-MCP795W21-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	270In Stock	£1.46 £1.35 £1.34	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/ST Microchip Technology 1: £1.48 121In Stock	Mfr. Part No. MCP795W21-I/ST Mouser Part No 579-MCP795W21-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	121In Stock	£1.48 £1.38 £1.36	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/SL Microchip Technology 1: £1.46 5In Stock	Mfr. Part No. MCP795W22-I/SL Mouser Part No 579-MCP795W22-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	5In Stock	£1.46 £1.35 £1.34	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock RTC IC with 114x8 NV SRAM BQ3285S-SB2 Texas Instruments 1: £13.73 17In Stock End of Life	Mfr. Part No. BQ3285S-SB2 Mouser Part No 595-BQ3285S-SB2 End of Life	Texas Instruments	Real Time Clock RTC IC with 114x8 NV SRAM	Datasheet	17In Stock	£13.73 £11.34 £9.63 £9.38 View £8.95 £8.79 £8.78	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	BQ3285	SMD/SMT	Tube
Real Time Clock Parallel RTC BQ4802YPW Texas Instruments 1: £9.46 76In Stock End of Life	Mfr. Part No. BQ4802YPW Mouser Part No 595-BQ4802YPW End of Life	Texas Instruments	Real Time Clock Parallel RTC	Datasheet	76In Stock	£9.46 £7.41 £6.90 £6.34 View £6.28 £5.91 £5.77 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	BQ4802Y	SMD/SMT	Tube
Real Time Clock 256k NV SRAM with Phantom Clock DS1244Y-70+ Analog Devices / Maxim Integrated 1: £49.82 54In Stock	Mfr. Part No. DS1244Y-70+ Mouser Part No 700-DS1244Y-70	Analog Devices / Maxim Integrated	Real Time Clock 256k NV SRAM with Phantom Clock	Datasheet	54In Stock	£49.82 £41.15 £38.98 £38.48	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1244Y	Through Hole	Tube
Real Time Clock 1024k NV SRAM with Phantom Clock DS1248Y-70+ Analog Devices / Maxim Integrated 1: £55.21 147In Stock	Mfr. Part No. DS1248Y-70+ Mouser Part No 700-DS1248Y-70	Analog Devices / Maxim Integrated	Real Time Clock 1024k NV SRAM with Phantom Clock	Datasheet	147In Stock	£55.21 £45.62 £43.18 £41.16	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1248Y	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12885N+ Analog Devices / Maxim Integrated 1: £11.63 21In Stock	Mfr. Part No. DS12885N+ Mouser Part No 700-DS12885N	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	21In Stock	£11.63 £9.11 £8.47 £7.46 View £7.40 £7.00 £6.86 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD	HH:MM:SS (24 hr)	PDIP-24	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS12885N	Through Hole	Tube
Real Time Clock Real-Time Clocks DS12885S+ Analog Devices / Maxim Integrated 1: £6.45 55In Stock	Mfr. Part No. DS12885S+ Mouser Part No 700-DS12885S	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	55In Stock	£6.45 £6.30 £6.29	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	DS12885S	SMD/SMT	Tube
Real Time Clock Real-Time Clocks DS12885SN+ Analog Devices / Maxim Integrated 1: £12.67 41In Stock	Mfr. Part No. DS12885SN+ Mouser Part No 700-DS12885SN	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Clocks	Datasheet	41In Stock	£12.67 £9.93 £9.20 £8.36 View £8.23 £7.85 £7.75 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	DS12885SN	SMD/SMT	Tube
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12R885S-33+ Analog Devices / Maxim Integrated 1: £5.97 33In Stock	Mfr. Part No. DS12R885S-33+ Mouser Part No 700-DS12R885S-33	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	33In Stock	£5.97 £4.60 £4.26 £3.88 View £3.59 £3.47 £3.31	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-24	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS12R885S	SMD/SMT	Tube
Real Time Clock Trickle-Charge Timekeeping Chip DS1302+ Analog Devices / Maxim Integrated 1: £5.28 577In Stock	Mfr. Part No. DS1302+ Mouser Part No 700-DS1302	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	577In Stock	£5.28 £4.05 £3.70 £3.40 £3.24	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	PDIP-8	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1302	Through Hole	Tube
Real Time Clock Trickle-Charge Timekeeping Chip DS1302Z+ Analog Devices / Maxim Integrated 1: £4.50 1,991In Stock	Mfr. Part No. DS1302Z+ Mouser Part No 700-DS1302Z	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,991In Stock	£4.50 £3.43 £3.16 £2.68 View £2.64 £2.60 £2.58	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1302Z	SMD/SMT	Tube
Real Time Clock Trickle-Charge Timekeeping Chip DS1302ZN+ Analog Devices / Maxim Integrated 1: £4.85 1,099In Stock	Mfr. Part No. DS1302ZN+ Mouser Part No 700-DS1302ZN	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,099In Stock	£4.85 £3.69 £3.40 £3.08 View £2.92 £2.83 £2.80 £2.77	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1302ZN	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305+ Analog Devices / Maxim Integrated 1: £9.10 647In Stock	Mfr. Part No. DS1305+ Mouser Part No 700-DS1305	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	647In Stock	£9.10 £7.19 £6.10 £6.08 View £6.03 £5.67	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	DS1305	Through Hole	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305EN+ Analog Devices / Maxim Integrated 1: £7.95 1,835In Stock	Mfr. Part No. DS1305EN+ Mouser Part No 700-DS1305EN	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1,835In Stock	£7.95 £6.21 £5.50 £5.28 View £5.01 £4.91 £4.80 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	- 40 C	+ 85 C	DS1305EN	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1306E+ Analog Devices / Maxim Integrated 1: £5.90 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	£5.90 £5.18 £4.80 £4.38 View £4.18 £4.07 £3.95 £3.64	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	DS1306E	SMD/SMT	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1306EN+ Analog Devices / Maxim Integrated 1: £7.27 634In Stock	Mfr. Part No. DS1306EN+ Mouser Part No 700-DS1306EN	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	634In Stock	£7.27 £5.63 £5.16 £4.77 View £4.56 £4.43 £4.30 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	- 40 C	+ 85 C	DS1306EN	SMD/SMT	Tube
Real Time Clock 64 x 8, Serial, I C Real-Time Clock DS1307+ Analog Devices / Maxim Integrated 1: £5.21 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	£5.21 £4.00 £3.69 £3.36 View £3.20 £3.10	Min.: 1 Mult.: 1	I2C	YY-MM-DD	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-8	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1307	Through Hole	Tube