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.
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Description Datasheet Availability Pricing (SGD) 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 I C RTC with 56-Byte NV RAM
Datasheet
3,092In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C DS1338Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL
Datasheet
689In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 1.71 V 5.5 V - 40 C + 85 C DS1339BU SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
1,256In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-16 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1339C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
550In Stock
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

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
2,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
2,616In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1340Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
3,459In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340Z SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock
Datasheet
3,212In Stock
Min.: 1
Mult.: 1

I2C Binary Binary 3 B uSOP-8 No Backup Switching 1.7 V 5.5 V - 40 C + 85 C DS1371U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
Datasheet
1,368In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Serial 2-Wire, I2C Binary Binary 3 B uSOP-10 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1374U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
480In Stock
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1390U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
1,289In Stock
Min.: 1
Mult.: 1

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 DS1390U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
539In Stock
Min.: 1
Mult.: 1

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 Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
164In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B PDIP-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1501YN Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
226In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B SO-28 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1501YZN+ SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
190In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-32 Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS1554 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Real-Time Event Recorder
Datasheet
1,520In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 32 B SOIC-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1678S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL
Datasheet
856In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C Binary Binary 10 B SOIC-8 No Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS1683 SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
1,284In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B TSSOP-24 Backup Switching 2.7 V 3.7 V - 40 C + 85 C DS1685EN SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
91In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B EDIP-24 Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS1687 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
102In Stock
More Info Available
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1744 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
80In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1744P SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
154In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1744WP Through Hole Tray
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
62In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB EDIP-32 Integrated Battery 2.97 V 3.63 V 0 C + 70 C DS1746W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
70In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1746WP SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock 1-Wire Time Chip With Interrupt
Datasheet
713In Stock
240On Order
Min.: 1
Mult.: 1

Serial 1-Wire Binary Binary 4 B TSOC-6 Backup Switching 2.2 V 6 V - 40 C + 85 C DS2417P SMD/SMT Tube