Real Time Clock

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Description Datasheet Availability Pricing (PLN) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RTC Bus Interface
Date Format
Time Format
Memory Size
Package/Case
Battery Backup Switching
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Series
Mounting Style
Qualification
Packaging
Micro Crystal Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6 AEC-Q200
Datasheet
991In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B SON-8 Backup Switching 1.1 V 5.5 V - 40 C + 85 C RV-3028-C8 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
957In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 64 kB SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T08Y SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)
Datasheet
2 394In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B Backup Switching 1.3 V 5.5 V - 40 C + 85 C RV-3029-C3 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 16K (2Kx8) 70ns
Datasheet
864In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T12 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 150ns
Datasheet
410In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T18 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
1 494In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T08 Through Hole Tube
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.
Datasheet
82 397In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B DFN2626-10 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85363A SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
5 400In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
3 729In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
4 615In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TSSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube

Microchip Technology Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64
Datasheet
5 150In Stock
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB TSSOP-14 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Nisshinbo Real Time Clock 4-wire Real Time Clock Module
Datasheet
3 638In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Serial 4-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) No Backup Switching 1.7 V 5.5 V - 40 C + 85 C R2045S/D SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
5 003In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-10 No Backup Switching 1.7 V 5.5 V - 40 C + 85 C R2023T SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS
Datasheet
760In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B SOIC-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
Datasheet
1 957In Stock
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

Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD
Datasheet
2 063In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-10 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1209 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
765In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel

ABLIC Real Time Clock Real Time Clock
Datasheet
4 657In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) SOP-8 Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35190 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL
Datasheet
358In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B SOIC-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Tube
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
2 303In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-10 No Backup Switching 1.5 V 5.5 V - 40 C + 85 C R2221T SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
499In Stock
2 000Expected 11/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B SSOP-8 Backup Switching 2 V 6 V - 40 C + 85 C RS5C372 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock LW PWR RTC W/RESEAL 8LD
Datasheet
1 154In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Serial 2-Wire, 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 ISL12008 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock LW PWR RTC W/RESEAL 8LD
Datasheet
4 620In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, 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 ISL12008 SMD/SMT Tube

Renesas / Intersil Real Time Clock REAL TIME CLKRTC IN
Datasheet
2 200In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-10 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1219 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Low-Pwr serial RTC W/ battry switchover
Datasheet
2 355In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 8 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T01 SMD/SMT Reel, Cut Tape, MouseReel