Real Time Clock

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
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
Datasheet
169In Stock
490Expected 8/19/2026
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TDFN-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Tray

Diodes Incorporated Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
Datasheet
1,656In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Reel, Cut Tape, MouseReel

Diodes Incorporated Real Time Clock 2-Wire Real-time Clock module
Datasheet
324In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Reel, Cut Tape, MouseReel

Diodes Incorporated Real Time Clock Real-time Clock IC
Datasheet
126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR
Datasheet
5,810In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

Serial 4-Wire, SPI Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX4111CE SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.
Datasheet
88In Stock
76,000Expected 2/15/2027
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) HWSON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063TP SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package.
Datasheet
1,311In Stock
7,500Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TSSOP-8 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85363A SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ 3-OUTPUT
Datasheet
357In Stock
12,000Expected 12/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB08x5 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ
Datasheet
762In Stock
12,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB18x5 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ
Datasheet
666In Stock
3,000Expected 12/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB18x5 SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB
Datasheet
17In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B PLCC-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DP8570A SMD/SMT Tube
Renesas / Intersil Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR
Datasheet
50In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B DFN-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12020 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
Datasheet
690In Stock
3,100Expected 1/25/2027
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) MSOP-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12057 SMD/SMT Tube
Renesas / Intersil Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
Datasheet
802In Stock
1,200Expected 12/25/2026
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Tube

Renesas / Intersil Real Time Clock REAL TIME CLKRTC IN
Datasheet
64In Stock
980Expected 8/28/2026
Min.: 1
Mult.: 1

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 Tube
Renesas Electronics Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
Datasheet
7In Stock
768Expected 12/13/2027
Min.: 1
Mult.: 1

MSOP-8 1337AGD SMD/SMT Tube
Renesas Electronics Real Time Clock .9RTC BASE
Datasheet
69In Stock
6,000Expected 12/13/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 1.3 V 3.7 V - 40 C + 85 C 1338 SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus
Datasheet
29In Stock
12,500On Order
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 900 mV 5.5 V - 40 C + 105 C PCA85063A SMD/SMT AEC-Q100 Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
79In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) QFN023023-16 Backup Switching 750 mV 5.5 V - 40 C + 85 C R2051L SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock RTC IC with 114x8 NV SRAM
Datasheet
20In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B SOIC-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C BQ3285 SMD/SMT Tube
Texas Instruments Real Time Clock Parallel RTC A 595-B Q4802YDWR A 595-BQ4 A 595-BQ4802YDWR
Datasheet
7In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 16 B SOIC-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C BQ4802Y SMD/SMT Tube

Diodes Incorporated Real Time Clock Real Time Clock MSOP-8 T&R 2.5K
Datasheet
2,103In Stock
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B Backup Switching 2.7 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
Datasheet
1,922In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 256 B Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX4901CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX8901CE XS B0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-3ppm 2k TR
Datasheet
28In Stock
2,000Expected 3/8/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX8901CE SMD/SMT Reel, Cut Tape, MouseReel
ECS Real Time Clock Low Power High Stability 5 ppm -40 - +85C IC Real Time Clock 3.2 x 2.5 mm
Datasheet
783In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD HH:MM:SS (24 hr) Backup Switching 1.6 V 5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel