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 (GBP) 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
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
7,393In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,300

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Current, SPI-Compatible Real-Time Cl
Datasheet
2,606In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B TDFN-EP-8 No Backup Switching 2 V 5.5 V - 40 C + 85 C DS1347T SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
5,772In 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
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
4,765In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,300

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TDFN-8 Backup Switching 1.8 V 5.5 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
1,523In 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
1,348In 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
Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID
Datasheet
1,767In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Serial 2-Wire, I2C Binary Binary 4 B uSOP-8 No Backup Switching 2.4 V 5.5 V - 40 C + 85 C DS1372U+ SMD/SMT Reel, Cut Tape, MouseReel

NXP Semiconductors Real Time Clock Binary I2C 1-5V RTC IC
Datasheet
11,976In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Micro Crystal Real Time Clock 32.768kHz SPI Time Acc. 6ppm
Datasheet
1,288In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SPI YY-MM-DD-dd HH:MM:SS (24 hr) 8 B Backup Switching 1.3 V 5.5 V - 40 C + 85 C RV-3149 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
Datasheet
711In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 SPI bus RTC
Datasheet
1,857In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B SOX-18 Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
362In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 936

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 64 kB SOX-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C M48T58Y SMD/SMT Reel, Cut Tape, MouseReel
ABLIC Real Time Clock 2-wire Real Time Clock
Datasheet
5,136In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 7 B SNT-A-8 No Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35390 SMD/SMT Reel, Cut Tape, MouseReel
Micro Crystal Real Time Clock 32.768 kHz OPTION A TEMP COMP SPI
Datasheet
Product Comments
1,000In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 2 B Backup Switching 1.3 V 5.5 V - 40 C + 85 C RV-3049-C3 SMD/SMT

ABLIC Real Time Clock Real Time Clock
Datasheet
4,782In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) SOP-8 Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35190 SMD/SMT Reel, Cut Tape, MouseReel

ABLIC Real Time Clock Real Time Clock
Datasheet
3,950In Stock
Min.: 1
Mult.: 1
Reel: 4,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 7 B SOP-8 No Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35390 SMD/SMT Reel, Cut Tape
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

Renesas / Intersil Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD
Datasheet
1,861In 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
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
289In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T58 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 1024k NV SRAM with Phantom Clock
Datasheet
80In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 128 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1248Y SMD/SMT Tray
Texas Instruments Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A 926-DP8573AVX/NOPB
Datasheet
79In 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
6,098In 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
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
2,381In 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) 32 B SOX-18 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel