Real Time Clock

Real Time Clock
Real Time Clocks (RTCs) are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more. Please view our large selection of real time clocks below.
Results: 920
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Description Datasheet Availability Pricing (CAD) 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

Renesas Electronics Real Time Clock Real Time Clock
Datasheet
More Info Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-8 Backup Switching 1.3 V 3.7 V - 40 C + 85 C 1339 SMD/SMT Reel, Cut Tape
Analog Devices / Maxim Integrated Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
Datasheet
More Info Available
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) LGA-10 Backup Switching 2.3 V 5.5 V - 40 C + 85 C MAX31328 SMD/SMT Tray
Renesas / Intersil Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
Datasheet
More Info Available
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 128 B 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 ENHANC CD ESD & MOISTURESIS
Datasheet
More Info Available
Min.: 1
Mult.: 1

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 Tube
Renesas / Intersil Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD
Datasheet
More Info Available
Min.: 1
Mult.: 1

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 Tube

Renesas / Intersil Real Time Clock REAL TIME CLKRTC IN
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 ISL1219 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock 1Kb EE 64B SRAM WD TED ID
Datasheet
More Info Available
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 1 kB SOIC-14 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
More Info Available
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1251YP SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
More Info Available
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1340C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC/Supervisor with Trickle Charger
Datasheet
More Info Available
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 B SOIC-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1388Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
More Info Available
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS17287 Through Hole Tube
Renesas Electronics Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz
Datasheet
More Info Available
Min.: 1
Mult.: 1

MSOP-8 1337AGD SMD/SMT Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
54In 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
Analog Devices / Maxim Integrated MAX31328NELB+T
Analog Devices / Maxim Integrated Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
Datasheet
2,500On Order
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) LGA-10 Backup Switching 2.3 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
250On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) VSOJ-12 Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-8035LC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 32.768kHz 5ppm I2C-Bus
Datasheet
Product Comments
2,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.25 V 5.5 V - 40 C + 85 C RX8130CE SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 1K T/R
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900CE SMD/SMT Reel, Cut Tape, MouseReel


Epson Timing Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
Datasheet
250On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 2.5 V 5.5 V - 40 C + 85 C RX8900SA SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock RX8901CE:XB A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-5ppm 2k TR
Datasheet
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.6 V 5.5 V - 40 C + 105 C RX8901CE SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
1,196Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 kB EDIP-28 Integrated Battery 3.3 V 5 V 0 C + 70 C DS1244W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
384Factory Stock Available
More Info Available
Min.: 24
Mult.: 12

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB EDIP-28 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1244W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
286Factory Stock Available
More Info Available
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB PowerCap Module-34 2.97 V 3.63 V 0 C + 70 C DS1244WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
633Factory Stock Available
More Info Available
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB PowerCap Module-34 4.5 V 5.5 V 0 C + 70 C DS1244YP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
2,909Factory Stock Available
More Info Available
Min.: 250
Mult.: 250

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B TQFP-32 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS12885T SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock RTCs with Constant-Voltage Trickle Charg
Datasheet
6,000Factory Stock Available
More Info Available
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B SO-24 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS12R885S SMD/SMT Reel