Real Time Clock

Real Time Clock




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Description Datasheet Availability Pricing (JPY) 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 5ppm, I C Real-Time Clock with SRAM
Datasheet
196In Stock
Min.: 1
Mult.: 1

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 AEC-Q100 Tube
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate I C RTC with Integrat
Datasheet
483In Stock
792Expected 8/20/2026
Min.: 1
Mult.: 1

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 Tube
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate SPI Bus RTC with Inte
Datasheet
301In Stock
432Expected 8/20/2026
Min.: 1
Mult.: 1

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 Tube
Analog Devices / Maxim Integrated Real Time Clock Extremely Accurate SPI Bus RTC with Inte
Datasheet
931In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 100
: 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 - 40 C + 85 C DS3234SN SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Ultra-Low power 12C Real Time clock w/ p
Datasheet
2,345In Stock
7,500Expected 9/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C BCD BCD 32 B WLP-12 Backup Switching 1.1 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Low Current Real Time Clock with I2C Int
Datasheet
5,285In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B Backup Switching 1.6 V 3.6 V - 40 C + 85 C MAX31341 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator
Datasheet
3,336In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TDFN-8 Backup Switching 1.6 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 HXSON10 package.
Datasheet
19,270In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) DFN2626-10 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063A SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.
Datasheet
16,174In Stock
15,000Expected 3/22/2027
MouseReel Available
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
NXP Semiconductors Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package.
Datasheet
5,699In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) DFN2626-10 No Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85063B SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package.
Datasheet
14,219In Stock
20,000Expected 2/22/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-8 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85263A SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package.
Datasheet
5,742In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-10 Backup Switching 900 mV 5.5 V - 40 C + 85 C PCF85263A SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
Datasheet
20,196In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C PCF8563 SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.
Datasheet
4,709In Stock
7,500Expected 11/16/2026
MouseReel Available
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
ABRACON Real Time Clock RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd
Datasheet
1,446In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B QFN-16 Backup Switching 1.7 V 3.6 V - 40 C + 85 C AB08x5 SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock Hi Prec I2C-Bus Real Time Clock Mod
Datasheet
2,447In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) No Backup Switching 1.7 V 5.5 V - 40 C + 85 C R2025S/D SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB
Datasheet
77In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B PLCC-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DP8573A SMD/SMT Tube
Renesas / Intersil Real Time Clock LW PWR RTC W/RESEAL 8LD
Datasheet
5,020In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL12008 SMD/SMT Tube
Renesas / Intersil Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL
Datasheet
595In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B 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
Datasheet
6,209In Stock
MouseReel Available
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 I2C REAL TIME CLOCK/ CALENDAR 8LD
Datasheet
3,314In Stock
6,000Expected 11/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
Datasheet
2,496In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Tube
Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR 8LD
Datasheet
2,869In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Reel, Cut Tape, MouseReel
Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR 8LD
Datasheet
5,049In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1208 SMD/SMT Reel, Cut Tape, MouseReel

Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD
Datasheet
1,102In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B MSOP-10 Backup Switching 2.7 V 5.5 V - 40 C + 85 C ISL1209 SMD/SMT Tube