Real Time Clock

 Real Time Clock
Real Time Clocks are in stock with same-day shipping at Mouser 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.
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Please view our large selection of real time clocks below.
Results: 794
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Interface Type Date Format Time Format Package/Case Battery Backup Switching Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Series Mounting Style Qualification Time Keeping Current Packaging


Epson Timing Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus 921In Stock
Cut Tape
Rp89.711,94
Rp67.696,74
Rp62.192,94
Rp56.138,76
Reel
Rp49.534,20
Min.: 1
Mult.: 1
: 1.000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 250TR 469In Stock
Cut Tape
Rp214.281,28
Rp167.865,90
Rp156.307,92
Rp135.026,56
Reel
Rp132.458,12
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 1.627In Stock
Cut Tape
Rp51.735,72
Rp38.526,60
Rp35.591,24
Reel
Rp31.188,20
Rp29.720,52
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
Epson Timing Real Time Clock 1.6-5.5V 257In Stock
Cut Tape
Rp193.733,76
Rp150.804,12
Rp134.292,72
Rp132.458,12
Reel
Rp112.460,98
Min.: 1
Mult.: 1
: 250
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 32.768kHz-DTCXO 3.4ppm I2C-Bus
1.019In Stock
Cut Tape
Rp178.139,66
Rp138.695,76
Rp128.788,92
Rp117.964,78
Reel
Rp111.727,14
Min.: 1
Mult.: 1
: 250
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 5+/-23PPM RTC 250TR 844In Stock
Cut Tape
Rp133.375,42
Rp102.921,06
Rp92.463,84
Rp85.675,82
Reel
Rp78.887,80
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-8571LC SMD/SMT Reel, Cut Tape


Epson Timing Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus 766In Stock
Cut Tape
Rp109.892,54
Rp84.208,14
Rp77.787,04
Rp70.815,56
Reel
Rp67.329,82
Min.: 1
Mult.: 1
: 250
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900SA SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 800In Stock
Cut Tape
Rp53.386,86
Rp39.810,82
Rp36.325,08
Rp32.655,88
Reel
Rp28.619,76
Min.: 1
Mult.: 1
: 1.000
I2C DFN-8 Integrated Battery 900 mV 5.5 V - 40 C + 85 C AB-RTC-XPA-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 852In Stock
Cut Tape
Rp53.570,32
Rp39.994,28
Rp36.508,54
Rp32.839,34
Reel
Rp29.170,14
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 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 800In Stock
Cut Tape
Rp51.368,80
Rp38.343,14
Rp35.040,86
Rp31.371,66
Reel
Rp27.519,00
Min.: 1
Mult.: 1
: 1.000
I2C DFN-8 Integrated Battery 900 mV 5.5 V - 40 C + 85 C AB-RTC-XP-32.768kHz-2 SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus 14In Stock
Cut Tape
Rp182.359,24
Rp141.814,58
Rp131.724,28
Rp120.533,22
Reel
Rp114.295,58
Min.: 1
Mult.: 1
: 250
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.8ppm 1.6-5.5V 277In Stock
250Expected 15/02/2027
Cut Tape
Rp141.447,66
Rp108.975,24
Rp96.866,88
Rp90.445,78
Reel
Rp83.474,30
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 32.768kHz-DTCXO 5ppm I2C-Bus 539In Stock
Cut Tape
Rp55.955,30
Rp41.828,88
Rp38.159,68
Rp34.307,02
Reel
Rp29.353,60
Min.: 1
Mult.: 1
: 1.000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR 1.922In Stock
Cut Tape
Rp108.791,78
Rp83.107,38
Rp76.686,28
Rp69.714,80
Reel
Rp58.707,20
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 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 1.800In Stock
Cut Tape
Rp107.324,10
Rp81.823,16
Rp75.402,06
Rp68.430,58
Reel
Rp59.441,04
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 RX4901CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR 1.988In Stock
Cut Tape
Rp107.324,10
Rp81.823,16
Rp75.402,06
Rp68.430,58
Reel
Rp59.624,50
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 RX4901CE SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR 411In Stock
Cut Tape
Rp90.812,70
Rp69.164,42
Rp63.660,62
Rp57.789,90
Reel
Rp53.937,24
Min.: 1
Mult.: 1
: 250
Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX6110SA SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus 2.960In Stock
Cut Tape
Rp60.541,80
Rp45.314,62
Rp41.461,96
Rp37.425,84
Reel
Rp33.940,10
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 RTC TCXO I2C 3ppm 3215 826In Stock
Cut Tape
Rp95.766,12
Rp73.017,08
Rp67.329,82
Rp61.092,18
Reel
Rp55.955,30
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 990In Stock
Cut Tape
Rp99.802,24
Rp76.135,90
Rp70.081,72
Rp63.660,62
Reel
Rp58.340,28
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 RX-4571LC:B3 PURE SN
Epson Timing Real Time Clock RTC VSOJ 12PIN 5+/-23PPM 250TR 250In Stock
Cut Tape
Rp138.145,38
Rp106.590,26
Rp98.701,48
Rp89.895,40
Reel
Rp84.391,60
Min.: 1
Mult.: 1
: 250
Serial 3-Wire VSOJ-12 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-4571LC SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus 2.348In Stock
Cut Tape
Rp34.857,40
Rp25.500,94
Rp23.115,96
Rp20.547,52
Reel
Rp18.235,92
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 2.049In Stock
Cut Tape
Rp67.329,82
Rp50.818,42
Rp46.598,84
Rp42.195,80
Reel
Rp37.242,38
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 XO Real Time Clock Module with I2C Bus 1.968In Stock
Cut Tape
Rp48.616,90
Rp36.141,62
Rp33.022,80
Rp29.537,06
Reel
Rp26.785,16
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 4.320In Stock
Cut Tape
Rp27.702,46
Rp20.364,06
Rp18.180,89
Rp16.126,13
Reel
Rp14.530,03
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