Real Time Clock

Real Time Clock
Real Time Clocks (RTCs) are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more. Please view our large selection of real time clocks below.
Results: 910
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Description Datasheet Availability Pricing (EUR) 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

Diodes Incorporated Real Time Clock Real-time Clock IC
Datasheet
88In 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) No Backup Switching 1.2 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Current SPI/3-Wire RTCs
Datasheet
170In Stock
Min.: 1
Mult.: 1

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TDFN-EP-14 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1343D SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Current SPI/3-Wire RTCs
Datasheet
165In Stock
Min.: 1
Mult.: 1

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TSSOP-20 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1343E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
290In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) uSOP-8 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1340U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
23In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB EDIP-32 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1746W Through Hole Tube
ABRACON Real Time Clock RTC TCXO I2C 3ppm 3215
Datasheet
700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C DFN-8 Backup Switching 1.5 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock RTC TCXO I2C 3ppm 3215 AEC-Q200
Datasheet
700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C DFN-8 Backup Switching 1.5 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX8901CE XB B0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR
Datasheet
1 086In Stock
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 Consumption IC RTC 3.2 x 2.5 x 1.0 mm (lwh)
Datasheet
11 987In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD HH:MM:SS (24 hr) Backup Switching 2.5 V 5 V - 20 C + 80 C SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CE XS C0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
Datasheet
1 516In 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
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
434In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOX-18 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R
Datasheet
2 735In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

Serial 4-Wire YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 No Backup Switching 1.7 V 5.5 V - 40 C + 85 C RX-4045SA SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Parallel RTC A 595-B Q4802LYDW A 595-BQ4 A 595-BQ4802LYDW
Datasheet
895In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 16 B SOIC-28 Backup Switching 2.7 V 3.6 V 0 C + 70 C BQ4802LY SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock
Datasheet
56 104In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 16 B No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX8010SJ SMD/SMT Bulk
Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTCs for High-ESR Crystals
Datasheet
246In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

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

Diodes Incorporated Real Time Clock Real-time Clock Mod I2C Bus
Datasheet
4 661In 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) 56 B Backup Switching 2 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

Diodes Incorporated Real Time Clock Real Time Clock MSOP-8 T&R 2.5K
Datasheet
3 203In 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
Diodes Incorporated Real Time Clock Real Time Clock
Datasheet
3 869In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.3 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215
Datasheet
700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C HH:MM:SS (24 hr) SON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C AB-RTC-XL SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215
Datasheet
700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C HH:MM:SS (24 hr) SON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C AB-RTC-XLA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
Datasheet
972In 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 RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R
Datasheet
1 989In Stock
Min.: 1
Mult.: 1
: 1 000

Serial 4-Wire YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.7 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock 3.8ppm 1.6-5.5V
Datasheet
913In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX8804CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CE XB B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
Datasheet
2 000In 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 RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR
Datasheet
1 860In 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