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 (CRC) 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
₡2 545,08
₡1 920,52
₡1 764,38
₡1 592,62
Reel
₡1 405,26
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
₡6 079,04
₡4 762,26
₡4 434,37
₡3 830,63
Reel
₡3 757,76
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
₡1 467,71
₡1 092,98
₡1 009,70
Reel
₡884,79
₡843,15
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
₡5 496,11
₡4 278,23
₡3 809,81
₡3 757,76
Reel
₡3 190,45
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
₡5 053,72
₡3 934,72
₡3 653,67
₡3 346,59
Reel
₡3 169,63
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
₡3 783,78
₡2 919,81
₡2 623,15
₡2 430,57
Reel
₡2 238,00
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
₡3 117,59
₡2 388,94
₡2 206,77
₡2 009,00
Reel
₡1 910,11
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
₡1 514,55
₡1 129,41
₡1 030,52
₡926,43
Reel
₡811,93
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
₡1 519,76
₡1 134,61
₡1 035,73
₡931,63
Reel
₡827,54
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
₡1 457,30
₡1 087,77
₡994,09
₡890,00
Reel
₡780,70
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
₡5 173,43
₡4 023,20
₡3 736,94
₡3 419,46
Reel
₡3 242,50
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 2/15/2027
Cut Tape
₡4 012,79
₡3 091,56
₡2 748,06
₡2 565,89
Reel
₡2 368,12
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
₡1 587,42
₡1 186,66
₡1 082,57
₡973,27
Reel
₡832,74
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
₡3 086,36
₡2 357,71
₡2 175,55
₡1 977,77
Reel
₡1 665,49
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
₡3 044,72
₡2 321,28
₡2 139,11
₡1 941,34
Reel
₡1 686,31
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
₡3 044,72
₡2 321,28
₡2 139,11
₡1 941,34
Reel
₡1 691,51
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
₡2 576,30
₡1 962,15
₡1 806,01
₡1 639,47
Reel
₡1 530,17
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
₡1 717,54
₡1 285,55
₡1 176,25
₡1 061,75
Reel
₡962,86
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
₡2 716,83
₡2 071,45
₡1 910,11
₡1 733,15
Reel
₡1 587,42
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
₡2 831,33
₡2 159,93
₡1 988,18
₡1 806,01
Reel
₡1 655,08
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
₡3 919,10
₡3 023,90
₡2 800,10
₡2 550,28
Reel
₡2 394,14
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
₡988,88
₡723,45
₡655,79
₡582,92
Reel
₡517,34
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
₡1 910,11
₡1 441,69
₡1 321,98
₡1 197,07
Reel
₡1 056,54
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
₡1 379,23
₡1 025,32
₡936,84
₡837,95
Reel
₡759,88
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
₡785,90
₡577,72
₡515,78
₡457,49
Reel
₡412,21
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