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 (USD) 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
STMicroelectronics Real Time Clock Serial I2C bus RTC
Datasheet
905In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Serial YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B Backup Switching 2.38 V 5.5 V - 40 C + 85 C M41T83 SMD/SMT Reel, Cut Tape, MouseReel

STMicroelectronics Real Time Clock Serial SPI bus RTC
Datasheet
599In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 B QFN-16 Backup Switching 3 V 5.5 V - 40 C + 85 C M41T93 SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48
Datasheet
1,311In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Renesas / Intersil Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS
Datasheet
2,132In Stock
Min.: 1
Mult.: 1

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 ISL12058 SMD/SMT Tube
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC 1,680In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) TSSOP-10 No Backup Switching 1.5 V 5.5 V - 40 C + 85 C R2223T SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 1024k NV SRAM with Phantom Clock
Datasheet
3In 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 2.97 V 3.63 V 0 C + 70 C DS1248WP SMD/SMT Tray
ECS Real Time Clock Low Power High Stability +/-3 ppm -40 +85C I C Real Time Clock 3.2 x 2.5 mm
Datasheet

I2C YY-MM-DD HH:MM:SS (24 hr) Backup Switching 2.5 V 5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Low-Current SPI/3-Wire RTCs
Datasheet
170In Stock
Min.: 1
Mult.: 1

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TDFN-EP-14 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1343D SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Current SPI/3-Wire RTCs
Datasheet
165In Stock
Min.: 1
Mult.: 1

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TSSOP-20 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1343E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Current SPI/3-Wire RTCs
Datasheet
2,019In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TDFN-EP-14 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1344D SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID
Datasheet
1,742In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Analog Devices / Maxim Integrated Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
20In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB EDIP-32 Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS1556 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
20In 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 - 40 C + 85 C DS1746WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
31In Stock
Min.: 1
Mult.: 1

Parallel YYYY-MM-DD HH:MM:SS (24 hr) 512 kB PowerCap Module-34 2.97 V 3.63 V 0 C + 70 C DS1747WP Through Hole Tray
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
362In Stock
Min.: 1
Mult.: 1

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 70 C DS1302S SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
90In Stock
Min.: 1
Mult.: 1

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 Tube
Nisshinbo Real Time Clock 4-wire Serial Interface
Datasheet
1,700In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Serial 4-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 16 B SSOP-10 Backup Switching 2 V 5.5 V - 40 C + 85 C RV5C348 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
2,892In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C HH:MM:SS (24 hr) 56 B SOIC-8 2.7 V 3.3 V - 40 C + 85 C DS1338Z SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTCs for High-ESR Crystals
Datasheet
322In 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 DS1341U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
37In 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 DS1554P SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Watchdog Clocks with NV RAM Control
Datasheet
78In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) TQFP-48 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1558W SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
2,080In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 2-Wire, I2C Binary Binary SOIC-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1672S SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
53In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 4 kB EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS17487 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
117In Stock
Min.: 1
Mult.: 1

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 0 C + 70 C DS1685E SMD/SMT Tube
Diodes Incorporated Real Time Clock 1.8V-5.5V Real Time Clock 12C bus
Datasheet
133In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Reel, Cut Tape, MouseReel