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 (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
Analog Devices / Maxim Integrated Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1557P SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1557P SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock Watchdog Clocks with NV RAM Control
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

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

Analog Devices / Maxim Integrated Real Time Clock Portable System Controller
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-20 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1670E SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock Portable System Controller
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-20 Backup Switching 2.7 V 3.3 V 0 C + 70 C DS1673E SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock Portable System Controller
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-20 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1673E SMD/SMT Reel
Analog Devices / Maxim Integrated Real Time Clock Real-Time Event Recorder
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 32 B SO-8 4.5 V 5.5 V - 40 C + 85 C DS1678S Reel
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 242 B TSSOP-24 2.7 V 3.7 V 0 C + 70 C DS1685E SMD/SMT Reel
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 242 B TSSOP-24 4.5 V 5.5 V - 40 C + 85 C DS1685EN SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 242 B SO-24 2.7 V 3.7 V 0 C + 70 C DS1685S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 242 B SO-24 4.5 V 5.5 V 0 C + 70 C DS1685S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 242 B SOIC-24 4.5 V 5.5 V - 40 C + 85 C DS1685SN SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB SO-24 2.7 V 3.7 V 0 C + 70 C DS17285S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB SO-24 2.7 V 3.7 V 0 C + 70 C DS17285S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 2 kB SO-24 4.5 V 5.5 V 0 C + 70 C DS17285S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 4 kB SO-24 4.5 V 5.5 V 0 C + 70 C DS17485S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB SO-24 4.5 V 5.5 V 0 C + 70 C DS17885S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 30
Mult.: 30

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB SO-24 2.7 V 3.7 V - 40 C + 85 C DS17885SN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 28
Mult.: 14

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 - 40 C + 85 C DS17887 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Ultra-Low power 12C Real Time clock w/ p
Datasheet
2,768In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C BCD BCD 32 B WLP-12 Backup Switching 1.1 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
ABRACON Real Time Clock RTCs 3725 10-SMD SPI HH:MM:SS (12/24 hr) YY-MM-DD-dd
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

AB-RTCMC Reel
ABRACON Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

I2C DFN-8 Integrated Battery 900 mV 5.5 V - 40 C + 85 C AB-RTC-XP-32.768kHz-2 SMD/SMT Reel
ABRACON Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

I2C DFN-8 Integrated Battery 900 mV 5.5 V - 40 C + 85 C AB-RTC-XPA-32.768kHz-2 SMD/SMT Reel
ABRACON Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

I2C HH:MM:SS (24 hr) SON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C AB-RTC-XL SMD/SMT Reel
ABRACON Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

I2C HH:MM:SS (24 hr) SON-8 No Backup Switching 900 mV 5.5 V - 40 C + 85 C AB-RTC-XLA SMD/SMT Reel