Real Time Clocks for Instrument Clusters

Real Time Clocks (RTCs) are IC devices that keep track of time. A typical RTC can provide the time of day as well as the date via a serial bus such as I2C or SPI.  Although similar in many ways, RTCs should not be confused with clock generators, which are used to synchronize various parts of a circuit.

Learn More

Results: 24
Select Image Part # Mfr. Description Datasheet Availability Pricing (PEN) 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 Time Keeping Current Packaging
Renesas / Intersil Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL 333In Stock
S/ 29.27
S/ 22.58
S/ 19.11
S/ 17.83
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Tube

STMicroelectronics Real Time Clock Serial SPI bus RTC 1,019In Stock
Cut Tape
S/ 30.17
S/ 23.86
S/ 21.56
S/ 19.66
Reel
S/ 17.01
Min.: 1
Mult.: 1
: 1,000
Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 11,846In Stock
S/ 4.32
S/ 4.09
S/ 3.89
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS 433In Stock
S/ 29.08
S/ 22.42
S/ 19.07
S/ 17.79
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-20 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP 1,952In Stock
S/ 10.98
S/ 8.17
S/ 7.51
S/ 6.73
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12057 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS 953In Stock
S/ 10.98
S/ 8.17
S/ 7.51
S/ 6.70
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS (24 hr) TDFN-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12058 SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 3,227In Stock
S/ 4.40
S/ 4.09
S/ 4.01
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube

STMicroelectronics Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V 1,083In Stock
Cut Tape
S/ 32.62
S/ 25.15
S/ 23.28
S/ 21.25
Reel
S/ 19.03
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) QFN-16 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial SPI bus RTC 757In Stock
Cut Tape
S/ 41.53
S/ 32.42
S/ 30.17
S/ 27.68
Reel
S/ 25.11
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOX-18 Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID 3,193In Stock
Cut Tape
S/ 4.79
Reel
S/ 4.01
Min.: 1
Mult.: 1
: 3,300
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TDFN-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. 6,221In Stock
27,500On Order
Cut Tape
S/ 3.70
S/ 2.51
S/ 2.26
S/ 2.11
Reel
S/ 1.77
Min.: 1
Mult.: 1
: 2,500
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063A SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L 1,128In Stock
Cut Tape
S/ 20.71
S/ 15.76
S/ 14.56
S/ 13.20
Reel
S/ 12.53
Min.: 1
Mult.: 1
: 250
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS 900In Stock
Cut Tape
S/ 30.05
S/ 23.20
S/ 21.49
S/ 19.58
Reel
S/ 17.59
Min.: 1
Mult.: 1
: 1,000
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 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 REAL TIME CLK & TEMP COMPENSATED CRYSTAL 585In Stock
Cut Tape
S/ 29.27
S/ 22.58
S/ 20.90
S/ 19.07
Reel
S/ 17.13
Min.: 1
Mult.: 1
: 1,000
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 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 REAL TIME CLK W/ ALARM DS1337 COMP 6,256In Stock
Cut Tape
S/ 11.37
S/ 8.49
S/ 7.75
S/ 6.97
Reel
S/ 5.92
Min.: 1
Mult.: 1
: 2,500
I2C YY-MM-DD-dd HH:MM:SS (24 hr) MSOP-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12057 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID 767In Stock
S/ 4.20
S/ 3.93
S/ 3.85
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
STMicroelectronics Real Time Clock Serial SPI bus RTC 42In Stock
1,000Expected 11/16/2026
Cut Tape
S/ 40.05
S/ 31.18
S/ 28.96
S/ 25.57
Reel
S/ 24.02
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOX-18 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial SPI bus RTC 165In Stock
Cut Tape
S/ 34.45
S/ 26.62
S/ 24.68
S/ 22.54
Reel
S/ 18.84
Min.: 1
Mult.: 1
: 1,000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) QFN-16 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB 7In Stock
S/ 206.65
S/ 169.28
S/ 158.15
S/ 150.48
Min.: 1
Mult.: 1
Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) PLCC-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DP8570A SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP 768In Stock
17,500On Order
Cut Tape
S/ 11.09
S/ 8.29
S/ 7.59
S/ 6.81
Reel
S/ 5.99
Min.: 1
Mult.: 1
: 2,500
I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12057 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP 97In Stock
6,450On Order
S/ 11.56
S/ 8.64
S/ 7.55
S/ 7.05
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS (24 hr) MSOP-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12057 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS 566In Stock
S/ 11.09
S/ 8.29
S/ 7.59
S/ 6.81
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.8 V 3.6 V - 40 C + 85 C ISL12058 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
6,360On Order
S/ 20.94
S/ 15.69
S/ 14.52
S/ 13.20
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
2,467Expected 1/12/2027
Cut Tape
S/ 20.32
S/ 15.45
S/ 14.25
S/ 12.92
S/ 12.81
Reel
S/ 12.81
Min.: 1
Mult.: 1
: 2,500
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12022 SMD/SMT Reel, Cut Tape, MouseReel