Real Time Clock

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Description Datasheet Availability Pricing (IDR) 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

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
5.536In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5.536
: 2.500

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1305EN SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
4.643In Stock
Min.: 1
Mult.: 1
Max.: 4.643

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307Z SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
10.774In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 11.274
: 2.500

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307Z SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
6.093In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 6.093
: 3.000

Serial 2-Wire, 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 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
5.106In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5.106
: 3.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1391U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
5.340In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5.340
: 3.000

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1394U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Total-Elapsed-Time Recorder with Alarm
Datasheet
6.276In Stock
12.500Expected 09/11/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 18.925
: 2.500

Serial 2-Wire Binary Binary 10 B SOIC-8 No Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS1682 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
484In Stock
Min.: 1
Mult.: 1
Max.: 490

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1746 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
387In Stock
7Expected 17/09/2026
Min.: 1
Mult.: 1
Max.: 514

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1747 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
285In Stock
Min.: 1
Mult.: 1
Max.: 285

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB EDIP-32 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1747W Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 1-Wire Time Chip With Interrupt
Datasheet
6.878In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 6.878
: 4.000

Serial 1-Wire Binary Binary 4 B Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS2417P SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate I C-Integrated RTC/TC
Datasheet
3.279In Stock
4.048Expected 08/12/2026
Min.: 1
Mult.: 1
Max.: 6.646

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 2.3 V 5.5 V - 40 C + 85 C DS3231SN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate I C-Integrated RTC/TC
Datasheet
1.532In Stock
4.000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4.810
: 1.000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 2.3 V 5.5 V - 40 C + 85 C DS3231SN SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
Datasheet
2.679In Stock
Min.: 1
Mult.: 1
Max.: 2.679

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 236 B SOIC-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I C Real-Time Clock with SRAM
Datasheet
5.196In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5.206
: 2.500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 236 B SO-8 Backup Switching 2.3 V 4.5 V - 40 C + 85 C DS3232MZ SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate I C RTC with Integrat
Datasheet
8.894In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 8.994
: 1.000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 236 B SO-20 Backup Switching 2.3 V 5.5 V - 40 C + 85 C DS3232SN SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate SPI Bus RTC with Inte
Datasheet
3.938In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 3.988
: 1.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B SO-20 Backup Switching 2 V 5.5 V 0 C + 70 C DS3234S SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz, 20PPM, Real-Time Clock Module with SPI-Bus
Datasheet
675In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SON-8 900 mV 5.5 V - 40 C + 85 C RV-8063-C8 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200
Datasheet
960In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SON-8 900 mV 5.5 V - 40 C + 85 C RV-8063-C8 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC
Datasheet
1.084In Stock
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
STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
822In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 936

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOH-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST85W SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial 512 (64x8)
Datasheet
1.220In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOX-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST85W SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial 1280 (160x8)
Datasheet
1.588In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 160 B SOX-28 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST87W SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
Datasheet
415In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.350

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 160 B SSOP-20 Backup Switching 2.7 V 3.6 V - 40 C + 85 C M41ST87W SMD/SMT Reel, Cut Tape, MouseReel
STMicroelectronics Real Time Clock Serial 64 (8X8)
Datasheet
2.993In Stock
5.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Serial 2-Wire, I2C YYYY-MM-DD HH:MM:SS (24 hr) 8 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C M41T00 SMD/SMT Reel, Cut Tape, MouseReel