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.
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Description Datasheet Availability Pricing (GBP) 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 1.6-5.5V
Datasheet
7In Stock
MouseReel Available
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 RX8804CE:XB0 REAL TIME CLOCK +/-5.0PPM DTCXO 1K TR
Datasheet
625In Stock
1,000On Order
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 + 105 C SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock 32.768kHz +/-5ppm -40C +85C
Datasheet
172In Stock
MouseReel Available
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
Epson Timing Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
Datasheet
Product Comments
25In Stock
More Info Available
MouseReel Available
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 32.768kHz-DTCXO 5ppm I2C-Bus
Datasheet
631In Stock
MouseReel Available
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 32.768kHz-DTCXO 5ppm I2C-Bus
Datasheet
117In Stock
MouseReel Available
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 32.768kHz-DTCXO 5ppm I2C-Bus
Datasheet
389In Stock
MouseReel Available
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 I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 1K TR
Datasheet
98In Stock
MouseReel Available
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-8803LC SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK
Datasheet
99In Stock
Min.: 1
Mult.: 1
RX8900SA Bulk
Epson Timing RX-4803SA:UB PURE SN
Epson Timing Real Time Clock RTC +/-5.0PPM-40~85C STICK
Datasheet
25In Stock
25On Order
Min.: 1
Mult.: 1
RX-4803SA Tube
Analog Devices / Maxim Integrated Real Time Clock 64k NV SRAM with Phantom Clock
Datasheet
1,287On Order
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 kB EDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1243Y Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Total-Elapsed-Time Recorder with Alarm
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire Binary Binary 10 B SOIC-8 No Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS1682 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 236 B SO-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing RX-4035SA:B PURE SN
Epson Timing Real Time Clock REAL TIME CLOCK 5+/-23PPM STICK
Datasheet
13In Stock
Min.: 1
Mult.: 1

SPI Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-4035SA SMD/SMT Tube
Epson Timing RX8111CE A0
Epson Timing Real Time Clock RX8111CE:A0 REAL TIME CLOCK I2C-BUS 3.0V 11.5PPM 1K TR
Datasheet
147In Stock
More Info Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 85 C RTC SMD/SMT Reel, Cut Tape
Epson Timing RX8111CE B0
Epson Timing Real Time Clock RX8111CE:B0 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 1K TR
Datasheet
783In Stock
More Info Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 85 C RTC SMD/SMT Reel, Cut Tape
NXP Semiconductors Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package.
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-8 No Backup Switching 900 mV 5.5 V - 40 C + 105 C PCA85073A SMD/SMT AEC-Q100 Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock Low Power Real time clocks
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) DFN2626-10 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85263A SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock Real Time Clock, automotive grade AEC-Q200
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 2-Wire, I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) SON-10 Backup Switching 1.3 V 5.5 V - 40 C + 125 C RV-3029-C3 SMD/SMT AEC-Q200 Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
2,497On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
More Info Available
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 kB PowerCap Module-34 2.97 V 3.63 V - 40 C + 85 C DS1251WP SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
150On Order
Min.: 1
Mult.: 1

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B DIP-16 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1305N Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Integrated RC17 w/ NDK Crystal
Datasheet
More Info Available
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) LGA-10 Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Tray
ABRACON Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012
Datasheet
More Info Available
MouseReel Available
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 2012
Datasheet
More Info Available
MouseReel Available
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