BK Real Time Clock

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RTC Bus Interface
Date Format
Time Format
RTC 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
1,122In 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
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
13,963In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.
Datasheet
82,458In 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
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
912In Stock
Min.: 1
Mult.: 1
Max.: 912

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1744P SMD/SMT Tray

STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
987In 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
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate SPI Bus RTC with Inte
Datasheet
19,399In Stock
Min.: 1
Mult.: 1
Max.: 19,410

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B SO-20 Backup Switching 2 V 5.5 V - 40 C + 85 C DS3234SN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
23,949In Stock
Min.: 1
Mult.: 1
Max.: 23,949

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
628In Stock
Min.: 1
Mult.: 1
Max.: 628

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1744WP SMD/SMT Tray
STMicroelectronics Real Time Clock 64K (8Kx8) 150ns
Datasheet
416In 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 256K (32Kx8) 70ns
Datasheet
619In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 kB SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T35Y SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
13,318In Stock
Min.: 1
Mult.: 1
Max.: 13,318

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

Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
6,037In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 6,037
: 2,500

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302ZN SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
5,864In Stock
Min.: 1
Mult.: 1
Max.: 5,864

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
STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
1,512In 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

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
2,930In Stock
Min.: 1
Mult.: 1
Max.: 2,930

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1305EN SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
5,450In 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
3,810In 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
Micro Crystal Real Time Clock 32.768kHz SPI Time Acc. 25ppm
Datasheet
737In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS (24 hr) 8 B Backup Switching 1.3 V 5.5 V - 40 C + 85 C RV-3149 SMD/SMT Reel, Cut Tape, MouseReel

Microchip Technology Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64
Datasheet
5,160In 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
3,941In 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
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
ABRACON Real Time Clock RTCs 3725 10-SMD I2C HH:MM:SS (12/24 hr) YY-MM-DD-dd
Datasheet
314In Stock
Min.: 1
Mult.: 1
: 1,000

Serial 4-Wire, SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.1 V 5.5 V - 40 C + 85 C AB-RTCMC SMD/SMT Reel, Cut Tape

Analog Devices / Maxim Integrated Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
Datasheet
13In Stock
5,000Expected 1/21/2027
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5,013
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B WLP-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
3,003In Stock
2,000On Order
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
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
795In 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