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Reel Real Time Clock

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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 32.768 kHz +/-20 PPM I2C -40/+85C RV-4162-C7-32.768k-20PPM-TA-QA Micro Crystal 1: $2.61 90In Stock 1,000Expected 04/12/2026	Mfr. Part No. RV-4162-C7-32.768k-20PPM-TA-QA Mouser Part No 428-202471-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C	Datasheet	90In Stock 1,000Expected 04/12/2026	Cut Tape $2.61 $2.04 $1.90 $1.77 Reel $1.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1 V	4.4 V	- 40 C	+ 85 C	RV-4162-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C RV-8063-C7-32.768KHZ-20PPM-TA-QC Micro Crystal 1: $1.58 1,470In Stock	Mfr. Part No. RV-8063-C7-32.768KHZ-20PPM-TA-QC Mouser Part No 428-203119-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	1,470In Stock	Cut Tape $1.58 $1.16 $1.05 $0.924 Reel $0.833 View $0.868 $0.845 $0.793 $0.778 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940MT-I/MNY Microchip Technology 1: $0.83 1,242In Stock 3,300Expected 21/12/2026	Mfr. Part No. MCP7940MT-I/MNY Mouser Part No 579-MCP7940MT-I/MNY	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	1,242In Stock 3,300Expected 21/12/2026	Cut Tape $0.83 $0.827 Reel $0.693 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940MT-I/ST Microchip Technology 1: $0.75 215In Stock	Mfr. Part No. MCP7940MT-I/ST Mouser Part No 579-MCP7940MT-I/ST	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	215In Stock	Cut Tape $0.75 Reel $0.629 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	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM EXT MCP7940NT-E/SN Microchip Technology 1: $1.00 822In Stock 3,300Expected 19/11/2026	Mfr. Part No. MCP7940NT-E/SN Mouser Part No 579-MCP7940NT-E/SN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EXT Learn More about Microchip Technology microchip real time clocks	Datasheet	822In Stock 3,300Expected 19/11/2026	Cut Tape $1.00 $0.995 Reel $0.834 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	+ 125 C	MCP7940N	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/ST Microchip Technology 1: $1.18 1,151In Stock 5,000Expected 18/01/2027	Mfr. Part No. MCP79410T-I/ST Mouser Part No 579-MCP79410T-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	1,151In Stock 5,000Expected 18/01/2027	Cut Tape $1.18 Reel $0.988 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MNY Microchip Technology 1: $1.31 18In Stock 13,200On Order	Mfr. Part No. MCP79411T-I/MNY Mouser Part No 579-MCP79411TIMNY	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	18In Stock 13,200On Order On Order Ship Dates Mfr. No: MCP79411T-I/MNY Stock: 18 Can Dispatch Immediately On Order: 6,600 Expected 05/01/2027 6,600 Expected 18/01/2027 Factory Lead Time: 12 Weeks	Cut Tape $1.31 Reel $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Ultra-Low power 12C Real Time clock w/ p Analog Devices / Maxim Integrated MAX31331TETB+T MAX31331TETB+T Analog Devices / Maxim Integrated 1: $3.71 3,499In Stock	Mfr. Part No. MAX31331TETB+T Mouser Part No 700-MAX31331TETB+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power 12C Real Time clock w/ p Learn More about Analog Devices / Maxim Integrated maxim max31331 real time clock	Datasheet	3,499In Stock	Cut Tape $3.71 $2.78 $2.55 $2.29 Reel $2.14 View $2.17 $2.14 $1.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302SN+T&R Analog Devices / Maxim Integrated 1: $6.35 937In Stock	Mfr. Part No. DS1302SN+T&R Mouser Part No 700-DS1302SNT&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	937In Stock	Cut Tape $6.35 $4.86 $4.48 $4.07 View $3.87 $3.78 $3.76 $3.62 Quote MouseReel Available	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	DS1302SN	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302ZN+T&R Analog Devices / Maxim Integrated 1: $6.42 1,430In Stock	Mfr. Part No. DS1302ZN+T&R Mouser Part No 700-DS1302ZNT&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,430In Stock	Cut Tape $6.42 $4.92 $4.55 $4.14 $4.06 $3.48 MouseReel Available	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	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302Z+T&R Analog Devices / Maxim Integrated 1: $5.56 1,315In Stock	Mfr. Part No. DS1302Z+T&R Mouser Part No 700-DS1302ZT&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,315In Stock	Cut Tape $5.56 $4.33 $4.01 $3.66 $3.63 $3.18 MouseReel Available	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	0 C	+ 70 C	DS1302Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial Alarm Real-Time Clock DS1305EN+T&R Analog Devices / Maxim Integrated 1: $9.98 785In Stock	Mfr. Part No. DS1305EN+T&R Mouser Part No 700-DS1305ENT&R	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	785In Stock	Cut Tape $9.98 $8.27 $7.69 $7.05 View $6.69 $6.56 $6.41 $6.06 MouseReel Available	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	Reel, Cut Tape, MouseReel
Real Time Clock Serial Alarm Real-Time Clock DS1306EN+T&R Analog Devices / Maxim Integrated 1: $9.54 1,910In Stock	Mfr. Part No. DS1306EN+T&R Mouser Part No 700-DS1306ENT&R	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1,910In Stock	Cut Tape $9.54 $7.42 $6.78 $6.25 $6.10 $5.35 MouseReel Available	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	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-18+T Analog Devices / Maxim Integrated 1: $6.21 439In Stock	Mfr. Part No. DS1308U-18+T Mouser Part No 700-DS1308U-18+T	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	439In Stock	Cut Tape $6.21 $4.76 $4.40 $4.00 View $3.81 $3.70 $3.65 $3.60 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	1.71 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-3+T&R Analog Devices / Maxim Integrated 1: $6.63 857In Stock	Mfr. Part No. DS1338Z-3+T&R Mouser Part No 700-DS1338Z-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	857In Stock	Cut Tape $6.63 $5.08 $4.69 $4.27 View $4.06 $3.94 $3.90 $3.85 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C		HH:MM:SS (24 hr)	SOIC-8		2.7 V	3.3 V	- 40 C	+ 85 C	DS1338Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger DS1340C-33#T&R Analog Devices / Maxim Integrated 1: $11.31 745In Stock	Mfr. Part No. DS1340C-33#T&R Mouser Part No 700-DS1340C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	745In Stock	Cut Tape $11.31 $8.84 $8.22 $7.53 View $7.22 $7.14 $6.78 Quote MouseReel Available	Min.: 1 Mult.: 1	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	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with Trickle Charger DS1340Z-33+T&R Analog Devices / Maxim Integrated 1: $6.64 2,053In Stock	Mfr. Part No. DS1340Z-33+T&R Mouser Part No 700-DS1340Z-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	2,053In Stock	Cut Tape $6.64 $5.09 $4.70 $4.28 View $4.07 $3.95 $3.91 $3.85 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1340Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341T+T&R Analog Devices / Maxim Integrated 1: $2.50 156In Stock	Mfr. Part No. DS1341T+T&R Mouser Part No 700-DS1341T+T&R	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	156In Stock	Cut Tape $2.50 $2.44 $2.39 $2.34 View $2.31 $2.27 $2.24 $2.20 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1341T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1342T+T&R Analog Devices / Maxim Integrated 1: $5.51 176In Stock	Mfr. Part No. DS1342T+T&R Mouser Part No 700-DS1342T+T&R	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	176In Stock	Cut Tape $5.51 $4.20 $3.87 $3.51 $3.44 $2.92 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1342T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current SPI/3-Wire RTCs DS1344D-33+T&R Analog Devices / Maxim Integrated 1: $4.54 917In Stock	Mfr. Part No. DS1344D-33+T&R Mouser Part No 700-DS1344D-33+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	917In Stock	Cut Tape $4.54 $4.44 $4.34 $4.25 View $4.19 $4.13 $4.06 $4.00 MouseReel Available	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-14	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1344D	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current, SPI-Compatible Real-Time Cl DS1347T+T&R Analog Devices / Maxim Integrated 1: $5.73 1,182In Stock	Mfr. Part No. DS1347T+T&R Mouser Part No 700-DS1347T+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current, SPI-Compatible Real-Time Cl Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1,182In Stock	Cut Tape $5.73 $4.37 $4.02 $3.65 $3.58 $3.03 MouseReel Available	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1347T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock DS1371U+T&R Analog Devices / Maxim Integrated 1: $5.50 604In Stock	Mfr. Part No. DS1371U+T&R Mouser Part No 700-DS1371UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock	Datasheet	604In Stock	Cut Tape $5.50 $4.19 $3.87 $3.51 View $3.34 $3.26 $3.24 $3.10 Quote MouseReel Available	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-8	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	DS1371U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID DS1372U+T&R Analog Devices / Maxim Integrated 1: $5.12 597In Stock	Mfr. Part No. DS1372U+T&R Mouser Part No 700-DS1372UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID	Datasheet	597In Stock	Cut Tape $5.12 $3.90 $3.59 $3.26 $3.20 $2.71 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-8	No Backup Switching	2.4 V	5.5 V	- 40 C	+ 85 C	DS1372U+	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374C-33#T&R Analog Devices / Maxim Integrated 1: $11.14 894In Stock	Mfr. Part No. DS1374C-33#T&R Mouser Part No 700-DS1374C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	894In Stock	Cut Tape $11.14 $8.68 $8.07 $7.39 View $7.08 $6.99 $6.71 Quote MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-33+T&R Analog Devices / Maxim Integrated 1: $6.48 2,105In Stock	Mfr. Part No. DS1391U-33+T&R Mouser Part No 700-DS1391U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2,105In Stock	Cut Tape $6.48 $4.96 $4.59 $4.17 View $3.97 $3.90 $3.88 $3.70 Quote MouseReel Available	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	Reel, Cut Tape, MouseReel