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 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
20In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 128 kB Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1556P SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
14In 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 - 40 C + 85 C DS1556W Through Hole Tube
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 Portable System Controller
Datasheet
93In Stock
Min.: 1
Mult.: 1

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 Tube
Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
130In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C Binary Binary SOIC-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C DS1672S SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
246In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C Binary Binary SOIC-8 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1672S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C 32-Bit Binary Counter RTC
Datasheet
208In Stock
Min.: 1
Mult.: 1

Serial 2-Wire, I2C Binary Binary uSOP-8 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1672U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Portable System Controller
Datasheet
69In Stock
Min.: 1
Mult.: 1

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 Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
37In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B PDIP-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1685 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
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
70In Stock
More Info Available
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B TSSOP-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1685E 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
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
12In Stock
More Info Available
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B TSSOP-24 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1685EN 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 SO-24 Backup Switching 2.7 V 3.7 V 0 C + 70 C DS1685S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
132In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B SO-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1685S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
20In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B SOIC-24 Backup Switching 2.7 V 3.7 V - 40 C + 85 C DS1685SN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
74In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 242 B SOIC-24 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1685SN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
50In 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 - 40 C + 85 C DS1687 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
52In Stock
More Info Available
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 0 C + 70 C DS1687 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
59In Stock
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB SO-24 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS17285S SMD/SMT Tube

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

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB SO-24 Backup Switching 2.7 V 3.7 V - 40 C + 85 C DS17285SN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
28In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-28 Integrated Battery 2.97 V 3.63 V 0 C + 70 C DS1744W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
15In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-28 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1744W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
28In 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 DS1746 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
23In 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 - 40 C + 85 C DS1746W Through Hole Tube