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.
Results: 905
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Description Datasheet Availability Pricing (USD) 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
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate SPI Bus RTC with Inte
Datasheet
347In Stock
1,950On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B SO-20 Backup Switching 2 V 5.5 V 0 C + 70 C DS3234S SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock RTC with power management
Datasheet
3,843In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TDFN-10 Backup Switching 1.6 V 3.6 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
Datasheet
475In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TDFN-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
Datasheet
2,705In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TDFN-8 Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock RTCs 3725 10-SMD I2C HH:MM:SS (12/24 hr) YY-MM-DD-dd
Datasheet
340In Stock
Min.: 1
Mult.: 1
: 1,000

Serial 4-Wire, SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.1 V 5.5 V - 40 C + 85 C AB-RTCMC SMD/SMT Reel, Cut Tape
ABRACON Real Time Clock 32.768 KHZ 8 PIN
Datasheet
955In Stock
2,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) No Backup Switching 1.3 V 4.4 V - 40 C + 85 C AB-RTCMC SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ IC RTC CLK
Datasheet
832In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.4 V 5.5 V - 40 C + 125 C AB-RTCMC SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ
Datasheet
1,115In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.4 V 5.5 V - 40 C + 85 C AB-RTCMC SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
2,128In Stock
4,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SSOP-16 Backup Switching 750 mV 5.5 V - 40 C + 85 C R2051S SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
8,977In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B SSOP-10 No Backup Switching 2 V 5.5 V - 40 C + 85 C RV5C387 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus
Datasheet
885In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SON-8 900 mV 5.5 V - 40 C + 85 C RV-8063-C8 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200
Datasheet
970In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SON-8 900 mV 5.5 V - 40 C + 85 C RV-8063-C8 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
660In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCF85053A SMD/SMT Reel, Cut Tape, MouseReel
Ambiq Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN
Datasheet
2,364In Stock
Min.: 1
Mult.: 1

Artasie SPI w/ Power Management
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
867In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOH-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST85W SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
926In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOX-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST85W SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial 1280 (160x8)
Datasheet
2,147In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 160 B SOX-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST87W SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 64 (8X8)
Datasheet
6,543In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YYYY-MM-DD HH:MM:SS (24 hr) 8 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T00 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 2.0 to 5.5V 64 (8X8)
Datasheet
1,774In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial YYYY-MM-DD HH:MM:SS (24 hr) 8 B SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T00S SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 64 (8X8)
Datasheet
739In Stock
More Info Available
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
4,425In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial YY-MM-DD-dd HH:MM:SS (24 hr) 64 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T11 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
1,358In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Serial YY-MM-DD-dd HH:MM:SS (24 hr) 64 B SOX-28 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T11 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
4,224In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B SOIC-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C M41T56 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 160 (20x8)
Datasheet
2,817In 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) 20 B SOIC-8 No Backup Switching 2 V 5.5 V - 40 C + 85 C M41T80 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 2.0-5.5V 512 (64x8)
Datasheet
4,860In 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 2.7 V 5.5 V - 40 C + 85 C M41T81S SMD/SMT Reel, Cut Tape, MouseReel