Real Time Clocks for Thermostats

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

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Results: 12
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) 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
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
1.309In Stock
Rp70.999,02
Rp69.531,34
Rp67.880,20
Rp66.595,98
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1339U SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM 1.995In Stock
Rp16.511,40
Rp15.227,18
Rp15.062,07
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID 1.537In Stock
Rp19.813,68
Rp18.529,46
Rp18.125,85
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. 15.131In Stock
Cut Tape
Rp33.389,72
Rp24.583,64
Rp22.382,12
Rp20.180,60
Reel
Rp17.300,28
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
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM 567In Stock
Rp16.511,40
Rp15.227,18
Rp15.062,07
Min.: 1
Mult.: 1
Serial 2-Wire, 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
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID 607In Stock
Rp19.813,68
Rp18.529,46
Rp18.125,85
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
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
771In Stock
Rp129.155,84
Rp99.068,40
Rp84.024,68
Rp83.107,38
Min.: 1
Mult.: 1
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1339U SMD/SMT Tube

STMicroelectronics Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc 32In Stock
1.350On Order
Cut Tape
Rp143.465,72
Rp110.993,30
Rp102.737,60
Rp93.014,22
Reel
Rp84.024,68
Min.: 1
Mult.: 1
: 1.350
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SSOP-20 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST87W SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
297In Stock
Rp92.096,92
Rp69.531,34
Rp63.660,62
Rp57.422,98
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
347In Stock
Rp114.295,58
Rp93.381,14
Rp79.254,72
Rp78.337,42
Min.: 1
Mult.: 1
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
13In Stock
Rp121.817,44
Rp93.381,14
Rp85.492,36
Rp78.337,42
Min.: 1
Mult.: 1
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 Tube
Texas Instruments Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR
199Expected 20/05/2027
Rp210.612,08
Rp164.380,16
Rp152.638,72
Rp139.979,98
Rp122.918,20
Min.: 1
Mult.: 1
Parallel YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-28 Backup Switching 2.7 V 3.6 V 0 C + 70 C BQ4802LY SMD/SMT Tube