Real Time Clock

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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
Packaging
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
2,810In Stock
5,000Expected 20/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOIC-8 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T82 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
795In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V
Datasheet
1,145In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B 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
Datasheet
623In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B 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
Datasheet
1,752In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOX-18 Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
2,319In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOX-28 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T94 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 16K (2Kx8) 150ns
Datasheet
745In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB PCDIP-24 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T02 Through Hole Tube
STMicroelectronics Real Time Clock 16K (2Kx8) 70ns
Datasheet
248In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB PCDIP-24 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T02 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 150ns
Datasheet
454In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T08 Through Hole Tube
STMicroelectronics Real Time Clock 16K (2Kx8) 150ns
Datasheet
379In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T12 Through Hole Tube
STMicroelectronics Real Time Clock 16K (2Kx8) 70ns
Datasheet
416In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T12 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 150ns
Datasheet
426In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T18 Through Hole Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
397In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T35 Through Hole Tube

STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
226In Stock
936Expected 25/06/2026
MouseReel Available
Min.: 1
Mult.: 1
: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 64 kB SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T58Y SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
318In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T58Y Through Hole Tube
STMicroelectronics Real Time Clock 2.0 to 5.5V 64 (8X8)
Datasheet
448In Stock
10,000On Order
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 2.0-5.5V 512 (64x8)
Datasheet
105In Stock
12,500On Order
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
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
519In Stock
1,000Expected 07/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOX-18 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
720Expected 22/09/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T35Y Through Hole Tube
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
5,000Expected 08/03/2027
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 I2C bus RTC
Datasheet
4,000Expected 09/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B QFN-16 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
4,973Expected 02/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SO-16 Backup Switching 2.7 V 5.5 V - 40 C + 85 C M41T94 SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
29In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 kB SOIC-44 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T37Y SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock SERIAL RTC W/AUDIO
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 8 B DFN-16 Backup Switching 3 V 3.6 V 0 C + 70 C M41T00AUD SMD/SMT Reel

STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
Non-Stocked Lead-Time 26 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial HH:MM:SS:hh (12 hr, 24 hr) 32 B Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel