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.
More...

Please view our large selection of real time clocks below.
Results: 794
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) 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
ECS Real Time Clock Low Power High Stability 5 ppm -40 +85 C I C Real Time Clock 3.2 x 2.5 mm 783In Stock
Cut Tape
36,40 kr.
27,75 kr.
25,59 kr.
23,20 kr.
Reel
20,96 kr.
Min.: 1
Mult.: 1
: 1.000
I2C YY-MM-DD HH:MM:SS (24 hr) Backup Switching 1.6 V 5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock RX-4045SA:AA0 PURE SN 5+/-5PPM 1K T/R 1.506In Stock
Cut Tape
30,14 kr.
22,83 kr.
20,96 kr.
19,02 kr.
Reel
17,46 kr.
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 RX-4045SA:AA3 PURE SN 5+/-5PPM 250 T/R 913In Stock
Cut Tape
61,40 kr.
47,82 kr.
40,66 kr.
37,90 kr.
Reel
36,18 kr.
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
Epson Timing Real Time Clock I2C Bus 5 +/-23ppm 1.052In Stock
Cut Tape
26,33 kr.
19,84 kr.
18,20 kr.
16,41 kr.
Reel
14,55 kr.
Min.: 1
Mult.: 1
: 1.000
I2C 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-8025SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250TR 976In Stock
Cut Tape
30,21 kr.
22,83 kr.
20,96 kr.
19,02 kr.
Reel
18,05 kr.
Min.: 1
Mult.: 1
: 250
I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8803SA SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock RX4111CE:A3 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 250TR 3.235In Stock
Cut Tape
30,44 kr.
22,90 kr.
21,04 kr.
18,58 kr.
Reel
18,35 kr.
Min.: 1
Mult.: 1
: 250
Serial 4-Wire, SPI Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX4111CE 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 636In Stock
Cut Tape
37,52 kr.
28,65 kr.
26,33 kr.
23,95 kr.
Reel
21,19 kr.
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 1K TR 1.333In Stock
Cut Tape
10,44 kr.
8,50 kr.
8,06 kr.
7,61 kr.
7,53 kr.
Reel
7,53 kr.
Min.: 1
Mult.: 1
: 1.000
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

Epson Timing Real Time Clock 32.768kHz 5ppm I2C-Bus 18.066In Stock
Cut Tape
9,10 kr.
6,61 kr.
5,98 kr.
5,30 kr.
Reel
4,61 kr.
Min.: 1
Mult.: 1
: 1.000
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, MouseReel
Epson Timing Real Time Clock 32.768kHz 5ppm I2C-Bus
2.688In Stock
Cut Tape
18,13 kr.
13,50 kr.
12,38 kr.
11,12 kr.
Reel
10,59 kr.
Min.: 1
Mult.: 1
: 250
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, MouseReel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R 1.261In Stock
Cut Tape
18,58 kr.
13,88 kr.
12,68 kr.
11,41 kr.
Reel
10,07 kr.
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 10 PIN 2K T/R 2.062In Stock
2.000Expected 10/05/2027
Cut Tape
18,20 kr.
13,58 kr.
12,46 kr.
11,19 kr.
Reel
9,62 kr.
Min.: 1
Mult.: 1
: 2.000
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 RX8900CE 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 3.163In Stock
Cut Tape
28,94 kr.
21,86 kr.
20,07 kr.
18,13 kr.
Reel
16,26 kr.
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
Epson Timing Real Time Clock RX8901CE XB B0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR 832In Stock
Cut Tape
28,94 kr.
21,86 kr.
20,07 kr.
18,13 kr.
Reel
15,37 kr.
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
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package. 1In Stock
76.000Expected 19/04/2027
Cut Tape
6,48 kr.
4,51 kr.
4,06 kr.
3,56 kr.
Reel
2,86 kr.
Min.: 1
Mult.: 1
: 4.000
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) HWSON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063TP SMD/SMT Reel, Cut Tape, MouseReel
Diodes Incorporated Real Time Clock Clock VCXO 1.477In Stock
Cut Tape
9,40 kr.
6,80 kr.
6,15 kr.
5,43 kr.
Reel
Min.: 1
Mult.: 1
: 3.000
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TDFN-8 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 1.769In Stock
Cut Tape
7,91 kr.
5,68 kr.
5,14 kr.
4,54 kr.
Reel
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
Epson Timing Real Time Clock RTC SON 14PIN 5+/-23PPM 250TR 15In Stock
500Expected 25/11/2026
Cut Tape
24,54 kr.
18,35 kr.
16,79 kr.
15,14 kr.
Reel
14,25 kr.
Min.: 1
Mult.: 1
: 250
Serial 3-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-4571SA SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock 32.768KHz 3.0Volts 5+/-5ppm -40C +85C 29In Stock
1.000On Order
Cut Tape
58,49 kr.
45,36 kr.
42,07 kr.
33,87 kr.
Reel
33,20 kr.
Min.: 1
Mult.: 1
: 250
I2C 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-8025SA SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock REAL TIME CLOCK 0+/-5PPM (SOP 14 PIN) 1K TR 333In Stock
Cut Tape
26,56 kr.
19,99 kr.
18,43 kr.
16,64 kr.
Reel
14,70 kr.
Min.: 1
Mult.: 1
: 1.000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.7 V 5.5 V - 40 C + 85 C RX-8025SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS 206In Stock
250Expected 01/03/2027
Cut Tape
46,55 kr.
35,81 kr.
33,12 kr.
29,54 kr.
Reel
28,65 kr.
Min.: 1
Mult.: 1
: 250
I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOP-14 Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-8035SA SMD/SMT Reel, Cut Tape, MouseReel

Epson Timing Real Time Clock RX4111CE:B6 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 2K TR 356In Stock
4.000Expected 16/11/2026
Cut Tape
12,38 kr.
9,10 kr.
8,28 kr.
7,38 kr.
Reel
6,24 kr.
Min.: 1
Mult.: 1
: 2.000
Serial 4-Wire, SPI Backup Switching 1.6 V 5.5 V - 40 C + 85 C RTC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX8111CE:A3 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 250TR 140In Stock
500Expected 04/05/2027
Cut Tape
25,89 kr.
19,55 kr.
17,98 kr.
16,26 kr.
Reel
15,37 kr.
Min.: 1
Mult.: 1
: 250
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX8111CE SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock 5+/-23PPM REAL TIME CLOCK 1K TR 179In Stock
Cut Tape
19,99 kr.
15,37 kr.
14,17 kr.
12,91 kr.
Reel
11,26 kr.
Min.: 1
Mult.: 1
: 1.000
I2C YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8571SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 32.768kHz +/-5ppm -40C +85C 27In Stock
Cut Tape
37,37 kr.
28,65 kr.
26,93 kr.
24,02 kr.
Reel
22,83 kr.
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 RX8900CE SMD/SMT Reel, Cut Tape, MouseReel