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.

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Results: 24
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) 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
CHF 6.06
CHF 4.67
CHF 3.83
CHF 3.59
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
CHF 6.24
CHF 4.93
CHF 4.46
CHF 4.06
Reel
CHF 3.54
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
CHF 0.885
CHF 0.845
CHF 0.837
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 W/ ALARM DS1337 COMP 1’702In Stock
CHF 2.27
CHF 1.69
CHF 1.55
CHF 1.39
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
CHF 2.27
CHF 1.69
CHF 1.55
CHF 1.39
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
CHF 0.91
CHF 0.845
CHF 0.837
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 879In Stock
Cut Tape
CHF 6.75
CHF 5.20
CHF 4.81
CHF 4.40
Reel
CHF 3.94
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
CHF 8.83
CHF 6.89
CHF 6.41
CHF 5.88
Reel
CHF 5.19
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 3’167In Stock
Cut Tape
CHF 0.983
Reel
CHF 0.837
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. 6’145In Stock
27’500On Order
Cut Tape
CHF 0.765
CHF 0.52
CHF 0.468
CHF 0.435
Reel
CHF 0.366
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 ENHANC CD ESD & MOISTURESIS 433In Stock
CHF 6.01
CHF 4.63
CHF 4.29
CHF 3.90
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 ENHANC CD ESD & MOISTURESIS 900In Stock
Cut Tape
CHF 6.22
CHF 4.80
CHF 4.45
CHF 4.05
Reel
CHF 3.64
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
CHF 6.06
CHF 4.67
CHF 4.32
CHF 3.94
Reel
CHF 3.54
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 6’056In Stock
Cut Tape
CHF 2.35
CHF 1.75
CHF 1.60
CHF 1.44
Reel
CHF 1.23
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 607In Stock
CHF 0.87
CHF 0.813
CHF 0.806
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 31In Stock
1’000Expected 11/16/2026
Cut Tape
CHF 8.28
CHF 6.45
CHF 5.99
CHF 5.29
Reel
CHF 4.97
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
CHF 6.69
CHF 5.50
CHF 4.95
CHF 4.57
Reel
CHF 3.81
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
CHF 42.74
CHF 35.01
CHF 32.70
CHF 31.12
CHF 30.93
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/CLNDR W/TEMP COMP 8 L 47In Stock
2’500On Order
Cut Tape
CHF 4.29
CHF 3.26
CHF 3.01
CHF 2.73
Reel
CHF 2.59
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 W/ ALARM DS1337 COMP 101In Stock
17’500On Order
Cut Tape
CHF 2.29
CHF 1.71
CHF 1.57
CHF 1.41
Reel
CHF 1.24
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 751In Stock
6’450On Order
CHF 2.39
CHF 1.79
CHF 1.56
CHF 1.46
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
CHF 2.29
CHF 1.71
CHF 1.57
CHF 1.41
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
CHF 4.33
CHF 3.25
CHF 3.00
CHF 2.73
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
CHF 4.20
CHF 3.19
CHF 2.95
CHF 2.68
CHF 2.65
Reel
CHF 2.65
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