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


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 I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 250TR
Datasheet
480In Stock
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) VSOJ-12 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8803LC SMD/SMT Reel, Cut Tape

Epson Timing Real Time Clock RX8130CE:BX REAL TIME CLOCK +/-23PPM ANY TR
Datasheet
1 690In Stock
Min.: 1
Mult.: 1
: 100

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.25 V 5.5 V - 40 C + 85 C RX8130CE SMD/SMT Reel, Cut Tape
Diodes Incorporated Real Time Clock Clock VCXO
Datasheet
1 837In Stock
Min.: 1
Mult.: 1
: 3 000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B TDFN-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Micro Crystal Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.6mm
Datasheet
3 019In Stock
1 000On Order
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
Texas Instruments Real Time Clock Automotive high-spee d CMOS timer with i
Datasheet
5 210In Stock
3 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

SOIC-8 No Backup Switching 1.5 V 18 V - 40 C + 125 C TLC3555 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
Datasheet
2 984In Stock
3 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

I2C SOP-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TA-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
Datasheet
2 050In Stock
3 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1 300

I2C Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TC-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus
Datasheet
2 960In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

I2C Backup Switching 1.6 V 5.5 V - 40 C + 85 C AB-RTC-TH-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In XO Real Time Clock Module with I2C Bus
Datasheet
2 983In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

I2C Backup Switching 1.2 V 5.5 V - 40 C + 85 C AB-RTC-XB-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm
Datasheet
5 348In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SON-8 900 mV 5.5 V - 40 C + 85 C RV-8263-C8 SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Ultra-Low power 12C Real Time clock w/ p
Datasheet
2 768In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

I2C BCD BCD 32 B WLP-12 Backup Switching 1.1 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
Datasheet
32 205In Stock
19 500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) No Backup Switching 1.5 V 5.5 V - 40 C + 85 C RV-8803-C7 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz I2C Time Acc. 1ppm
Datasheet
27 413In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B Backup Switching 1.2 V 5.5 V - 40 C + 85 C RV-3028 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz I2C Time Acc. 1ppm
Datasheet
13 550In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B Backup Switching 1.2 V 5.5 V - 40 C + 85 C RV-3028 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz I2C Time Acc. 6ppm AEC
Datasheet
9 267In Stock
1 700On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 8 B Backup Switching 1.3 V 5.5 V - 40 C + 125 C RV-3129 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
12 760In Stock
Min.: 1
Mult.: 1

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
Microchip Technology Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID
Datasheet
11 646In Stock
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB MSOP-10 Backup Switching 1.8 V 3.6 V - 40 C + 85 C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
32In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1251WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
1 252In Stock
1 288On Order
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS12887 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
6 181In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 64 x 8, Serial, I C Real-Time Clock
Datasheet
15 055In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307Z SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
6 020In Stock
1 430On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337S SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
5 068In 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 SOIC-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338Z SMD/SMT Reel, Cut Tape, MouseReel