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 Clock below.
Results: 942
Select Image Part #
 Mfr.
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
Micro Crystal Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm
Datasheet
4.657In 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
Micro Crystal Real Time Clock 32.768kHz I2C Time Acc. 1ppm
Datasheet
36.829In 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
Microchip Technology Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID
Datasheet
10.382In 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 64 x 8, Serial, I C Real-Time Clock
Datasheet
4.365In Stock
Min.: 1
Mult.: 1

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 Tube

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
13.354In 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 RTC with 56-Byte NV RAM
Datasheet
5.092In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338U SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
5.835In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340U SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
6.253In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1391U SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
5.572In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Serial 2-Wire, I2C Binary Binary SOIC-8 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1672S SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Total-Elapsed-Time Recorder with Alarm
Datasheet
6.287In Stock
Min.: 1
Mult.: 1

I2C Binary Binary 10 B SOIC-8 No Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS1682 SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
568In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB EDIP-32 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1747W Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 1-Wire Time Chip With Interrupt
Datasheet
8.098In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4.000

Serial 1-Wire Binary Binary 4 B Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS2417P SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
Datasheet
2.856In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 236 B SOIC-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
Datasheet
5.443In 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) 236 B SO-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
Datasheet
5.201In Stock
6.000Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCF85053A SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 64 (8X8)
Datasheet
9.957In Stock
5.000Expected 8/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 8 B SOIC-8 No Backup Switching 2 V 5.5 V - 40 C + 85 C M41T0 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
9.642In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 20 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T81 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
10.773In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOIC-8 Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T82 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial SPI bus RTC
Datasheet
8.156In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOX-18 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
2.244In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOX-28 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T94 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 16K (2Kx8) 150ns
Datasheet
738In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB PCDIP-24 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T02 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
1.556In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T08 Through Hole Tube

STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
1.040In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 64 kB SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T58Y SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
12.618In 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
ABLIC Real Time Clock 3WIRE REAL TIME CLCK
Datasheet
4.821In Stock
Min.: 1
Mult.: 1
: 5.000

SNT-A-8 S-35192 Reel, Cut Tape