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 Clock below.
Results: 928
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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

NXP Semiconductors Real Time Clock Low Power Real time clocks
Datasheet
4.914In Stock
7.500Expected 11/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TSSOP-8 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85363A SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock Binary I2C 1-5V RTC IC
Datasheet
27.744In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C PCF8563 SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock Binary I2C 1-5V RTC IC
Datasheet
7.044In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-8 No Backup Switching 1 V 5.5 V - 40 C + 85 C PCF8563 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd
Datasheet
1.788In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB08x5 SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock 32.768 KHZ
Datasheet
1.067In Stock
12.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB18x5 SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB
Datasheet
77In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B PLCC-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DP8573A SMD/SMT Tube
Renesas / Intersil Real Time Clock LW PWR RTC W/RESEAL 8LD
Datasheet
5.020In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12008 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL
Datasheet
620In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B SOIC-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR 8LD
Datasheet
2.969In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR 8LD
Datasheet
1.290In Stock
4.000Expected 9/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Reel, Cut Tape, MouseReel

Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD
Datasheet
1.102In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-10 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1209 SMD/SMT Tube

Renesas / Intersil Real Time Clock REAL TIME CLKRTC IN
Datasheet
2.500In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-10 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1219 SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 4-wire Serial Interface
Datasheet
1.990In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

Serial 4-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B SSOP-10 Backup Switching 2 V 5.5 V - 40 C + 85 C RS5C348 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated MAX31331TETB+T
Analog Devices / Maxim Integrated Real Time Clock Ultra-Low power 12C Real Time clock w/ p
Datasheet
3.891In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768 kHz +/-20 PPM SPI -40/+85C
Datasheet
1.661In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS (24 hr) No Backup Switching 900 mV 5.5 V - 40 C + 85 C RV-8063-C7 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz SPI Time Acc. 25ppm AEC
Datasheet
546In Stock
1.000Expected 7/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SPI YY-MM-DD-dd HH:MM:SS (24 hr) 8 B Backup Switching 1.3 V 5.5 V - 40 C + 125 C RV-3149 SMD/SMT Reel, Cut Tape, MouseReel

Micro Crystal Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock
Datasheet
303In Stock
3.000Expected 9/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B Backup Switching 1.3 V 5.5 V - 40 C + 105 C RV-3032-C7 SMD/SMT AEC-Q200 Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
643In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
307In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
752In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
1.123In 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 MCP79402 SMD/SMT Tube
Microchip Technology Real Time Clock I2C RTCC 64B SRAM No VBAT
Datasheet
700In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B PDIP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C Through Hole Tube
Microchip Technology Real Time Clock I2C RTCC 64B SRAM No VBAT
Datasheet
382In Stock
700On Order
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B MSOP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C RTCC 64B SRAM No VBAT
Datasheet
810In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOIC-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C RTCC 64B SRAM No VBAT
Datasheet
1.302In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TSSOP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube