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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: 33.21 CHF 844In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	844In Stock	33.21 CHF 24.43 CHF 23.45 CHF 22.53 CHF View 21.72 CHF Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T12	Through Hole	Tube
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401-I/SN Microchip Technology 1: 0.837 CHF 12 489In Stock	Mfr. Part No. MCP79401-I/SN Mouser Part No 579-MCP79401ISN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	12 489In Stock	0.837 CHF 0.773 CHF 0.753 CHF	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/ST Microchip Technology 1: 0.945 CHF 4 615In Stock	Mfr. Part No. MCP79412-I/ST Mouser Part No 579-MCP79412IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4 615In Stock	0.945 CHF 0.87 CHF 0.858 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/MS Microchip Technology 1: 0.945 CHF 3 702In Stock	Mfr. Part No. MCP79412-I/MS Mouser Part No 579-MCP79412IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3 702In Stock	0.945 CHF 0.87 CHF 0.858 CHF	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 I2C GP RTCC 64B SRAM ID MCP79400-I/MS Microchip Technology 1: 0.805 CHF 5 399In Stock	Mfr. Part No. MCP79400-I/MS Mouser Part No 579-MCP79400IMS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	5 399In Stock	0.805 CHF 0.74 CHF 0.722 CHF	Min.: 1 Mult.: 1	Serial 2-Wire, 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 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/ST Microchip Technology 1: 1.59 CHF 4 770In Stock	Mfr. Part No. MCP795W22-I/ST Mouser Part No 579-MCP795W22-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	4 770In Stock	1.59 CHF 1.48 CHF	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 I C RTC with Trickle Charger DS1340Z-18+ Analog Devices / Maxim Integrated 1: 6.66 CHF 5 864In Stock	Mfr. Part No. DS1340Z-18+ Mouser Part No 700-DS1340Z-18	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	5 864In Stock	6.66 CHF 5.15 CHF 4.63 CHF 4.23 CHF View 4.02 CHF 3.95 CHF 3.88 CHF 3.73 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-8	Backup Switching	1.71 V	1.89 V	- 40 C	+ 85 C	DS1340Z	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-33+ Analog Devices / Maxim Integrated 1: 5.34 CHF 23 420In Stock	Mfr. Part No. DS1338Z-33+ Mouser Part No 700-DS1338Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	23 420In Stock	5.34 CHF 4.10 CHF 3.78 CHF 3.44 CHF View 3.27 CHF 3.17 CHF 3.14 CHF 3.10 CHF	Min.: 1 Mult.: 1	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	Tube
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234SN# Analog Devices / Maxim Integrated 1: 14.23 CHF 18 296In Stock	Mfr. Part No. DS3234SN# Mouser Part No 700-DS3234SN#	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	18 296In Stock	14.23 CHF 11.28 CHF 10.44 CHF 9.73 CHF View 9.28 CHF 9.12 CHF Quote	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS3234SN	SMD/SMT	Tube
Real Time Clock I C RTC with Trickle Charger DS1340C-3# Analog Devices / Maxim Integrated 1: 5.55 CHF 13 268In Stock	Mfr. Part No. DS1340C-3# Mouser Part No 700-DS1340C-3#-	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	13 268In Stock	5.55 CHF 5.44 CHF 5.42 CHF	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-16	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340C	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/SN Microchip Technology 1: 0.885 CHF 11 841In Stock	Mfr. Part No. MCP79411-I/SN Mouser Part No 579-MCP79411ISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	11 841In Stock	0.885 CHF 0.845 CHF 0.837 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL ISL12022MIBZ Renesas / Intersil 1: 6.06 CHF 333In Stock	Mfr. Part No. ISL12022MIBZ Mouser Part No 968-ISL12022MIBZ	Renesas / Intersil	Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL	Datasheet	333In Stock	6.06 CHF 4.67 CHF 3.83 CHF 3.59 CHF View 3.53 CHF 3.50 CHF 3.42 CHF Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12022	SMD/SMT	Tube
Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD ISL1209IU10Z Renesas / Intersil 1: 3.31 CHF 1 062In Stock	Mfr. Part No. ISL1209IU10Z Mouser Part No 968-ISL1209IU10Z	Renesas / Intersil	Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD	Datasheet	1 062In Stock	3.31 CHF 2.50 CHF 2.24 CHF 2.01 CHF View 1.94 CHF 1.89 CHF 1.84 CHF 1.75 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-10	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL1209	SMD/SMT	Tube
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP ISL12057IBZ Renesas / Intersil 1: 2.27 CHF 1 702In Stock	Mfr. Part No. ISL12057IBZ Mouser Part No 968-ISL12057IBZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP	Datasheet	1 702In Stock	2.27 CHF 1.69 CHF 1.55 CHF 1.39 CHF View 1.31 CHF 1.25 CHF 1.22 CHF 1.18 CHF 1.15 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12057	SMD/SMT	Tube
Real Time Clock 64K (8Kx8) 150ns M48T18-150PC1 STMicroelectronics 1: 40.62 CHF 395In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	395In Stock	40.62 CHF 30.68 CHF 29.34 CHF 28.80 CHF View 28.68 CHF Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 MCP795W12-I/SL Microchip Technology 1: 1.49 CHF 717In Stock	Mfr. Part No. MCP795W12-I/SL Mouser Part No 579-MCP795W12-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	717In Stock	1.49 CHF 1.38 CHF 1.35 CHF	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 I2C RTCC 64B SRAM No VBAT MCP7940M-I/ST Microchip Technology 1: 0.572 CHF 1 292In Stock	Mfr. Part No. MCP7940M-I/ST Mouser Part No 579-MCP7940M-I/ST	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	1 292In Stock	0.572 CHF 0.557 CHF 0.532 CHF 0.512 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 3V/5V Real-Time Clock DS1687-5IND+ Analog Devices / Maxim Integrated 1: 26.76 CHF 86In Stock	Mfr. Part No. DS1687-5IND+ Mouser Part No 700-DS1687-5IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	86In Stock	26.76 CHF 21.66 CHF 20.39 CHF 19.54 CHF 18.32 CHF	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	- 40 C	+ 85 C	DS1687	Through Hole	Tube
Real Time Clock Serial Alarm Real-Time Clock DS1305N+ Analog Devices / Maxim Integrated 1: 11.18 CHF 1 067In Stock	Mfr. Part No. DS1305N+ Mouser Part No 700-DS1305N	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1 067In Stock	11.18 CHF 8.75 CHF 8.13 CHF 7.47 CHF View 7.33 CHF 6.96 CHF 6.80 CHF 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	- 40 C	+ 85 C	DS1305N	Through Hole	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YN+ Analog Devices / Maxim Integrated 1: 11.07 CHF 162In Stock	Mfr. Part No. DS1501YN+ Mouser Part No 700-DS1501YN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	162In Stock	11.07 CHF 10.84 CHF 10.80 CHF	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PDIP-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1501YN	Through Hole	Tube
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70IND+ Analog Devices / Maxim Integrated 1: 33.35 CHF 173In Stock	Mfr. Part No. DS1554-70IND+ Mouser Part No 700-DS1554-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	173In Stock	33.35 CHF 32.61 CHF 32.52 CHF	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1554	Through Hole	Tube
Real Time Clock I C Serial Real-Time Clock DS1337+ Analog Devices / Maxim Integrated 1: 4.69 CHF 2 513In Stock	Mfr. Part No. DS1337+ Mouser Part No 700-DS1337	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	2 513In Stock	4.69 CHF 3.58 CHF 3.29 CHF 2.71 CHF View 2.59 CHF 2.56 CHF 2.50 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DIP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337	Through Hole	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-3+ Analog Devices / Maxim Integrated 1: 5.34 CHF 2 678In Stock	Mfr. Part No. DS1338Z-3+ Mouser Part No 700-DS1338Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	2 678In Stock	5.34 CHF 4.10 CHF 3.78 CHF 3.44 CHF View 3.27 CHF 3.17 CHF 3.14 CHF 3.10 CHF	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT	Tube
Real Time Clock I C Serial Real-Time Clock DS1339U-3+ Analog Devices / Maxim Integrated 1: 3.12 CHF 1 309In Stock	Mfr. Part No. DS1339U-3+ Mouser Part No 700-DS1339U-3	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	1 309In Stock	3.12 CHF 3.05 CHF 3.03 CHF	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	DS1339U	SMD/SMT	Tube
Real Time Clock RTCs with Constant-Voltage Trickle Charg DS12CR887-5+ Analog Devices / Maxim Integrated 1: 11.07 CHF 392In Stock	Mfr. Part No. DS12CR887-5+ Mouser Part No 700-DS12CR887-5+	Analog Devices / Maxim Integrated	Real Time Clock RTCs with Constant-Voltage Trickle Charg	Datasheet	392In Stock	11.07 CHF 10.83 CHF 10.79 CHF	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	- 40 C	+ 85 C	DS12CR887	Through Hole	Tube