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: 891
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (INR) 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
Diodes Incorporated Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
Datasheet
149In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR
Datasheet
760In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 3 V 3.6 V - 40 C + 85 C BQ32002 SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
16In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1556 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
132In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B SO-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1685S SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
1,526In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) uSOP-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1340U SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
56In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB EDIP-24 Backup Switching 2.7 V 3.7 V 0 C + 70 C DS17287 Through Hole Tube
Nisshinbo Real Time Clock 3-Wire Real Time Clock IC
Datasheet
1,989In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 3-Wire 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 R2033T SMD/SMT Reel, Cut Tape, MouseReel

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

Renesas Electronics Real Time Clock .9RTC BASE
Datasheet
85In Stock
5,000On Order
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 MSOP-8 Backup Switching 1.3 V 3.7 V - 40 C + 85 C 1338 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64
Datasheet
717In Stock
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 1 kB SOIC-14 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Nisshinbo Real Time Clock 4-wire Serial Interface
Datasheet
1,675In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 4-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B SSOP-10 Backup Switching 2 V 5.5 V - 40 C + 85 C RV5C348 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz SPI Time Acc. 6ppm
Datasheet
500In 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
Epson Timing Real Time Clock RX8901CE:XB A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR
Datasheet
3,275In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX8901CE SMD/SMT Reel, Cut Tape, MouseReel

Diodes Incorporated Real Time Clock Real-time Clock Mod I2C Bus
Datasheet
3,005In 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
Micro Crystal Real Time Clock 32.768 kHz OPTION A TEMP COMP SPI
Datasheet
Product Comments
1,000In Stock
Min.: 1
Mult.: 1

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-3049-C3 SMD/SMT
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

Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
664In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Serial 2-Wire, I2C Binary Binary Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1672U SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial SPI bus RTC
Datasheet
299In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B QFN-16 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T93 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
11,722In 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
Datasheet
56,065In 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
Epson Timing Real Time Clock RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R
Datasheet
2,643In 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
ABRACON Real Time Clock RTC TCXO I2C 3ppm 3215
Datasheet
768In 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
800In 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
ECS Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm
Datasheet
2,494In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

I2C YY-MM-DD HH:MM:SS (24 hr) Backup Switching 2.5 V 5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel