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 (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
Qualification
Packaging
Analog Devices / Maxim Integrated Real Time Clock RTCs with Constant-Voltage Trickle Charg
Datasheet
396In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B EDIP-24 Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS12CR887 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
71In Stock
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B SO-16 Backup Switching 3 V 3.6 V 0 C + 70 C DS1315S SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC/Supervisor with Trickle Charger
Datasheet
325In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 B SOIC-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1388Z SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
3 161In 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 DS1394U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
102In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B EDIP-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1511Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
39In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB Integrated Battery 2.97 V 3.63 V 0 C + 70 C DS1556W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
34In Stock
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 - 40 C + 85 C DS1744 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
128In Stock
30On Order
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS1747 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
84In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 kB EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS17887 Through Hole Tube
Nisshinbo Real Time Clock 4-wire Real Time Clock Module
Datasheet
4 211In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 000

Serial 4-Wire 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 R2045S/D SMD/SMT Reel, Cut Tape, MouseReel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC 12 041In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3 000

Serial 2-Wire, I2C BCD BCD QFN1818-12 No Backup Switching 1.5 V 5.5 V - 40 C + 85 C R2223L SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
5 697In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
1 407In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1 000

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-16 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337C SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
1 364In 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 2.7 V 3.3 V - 40 C + 85 C DS1339U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
2 458In 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 2.7 V 3.3 V - 40 C + 85 C DS1339U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTCs for High-ESR Crystals
Datasheet
1 298In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1342U SMD/SMT Tube
Microchip Technology Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID
Datasheet
1 865In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2 500

Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B Backup Switching 1.8 V 3.6 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
2 803In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) DIP-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
68In 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 - 40 C + 85 C DS1554WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Watchdog Clocks with NV RAM Control
Datasheet
253In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) TQFP-48 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1558Y SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock Portable System Controller
Datasheet
148In Stock
Min.: 1
Mult.: 1

Serial 3-Wire Binary Binary TSSOP-20 Backup Switching 2.7 V 3.3 V 0 C + 70 C DS1673E SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
81In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B EDIP-24 Integrated Battery 2.7 V 3.7 V 0 C + 70 C DS1687 Through Hole Tube
Renesas Electronics Real Time Clock .9RTC BASE
Datasheet
1 787In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 1.3 V 3.7 V - 40 C + 85 C 1338 SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Low Current Real Time Clock with I2C Int
Datasheet
3 115In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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

STMicroelectronics Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V
Datasheet
1 530In Stock
1 000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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