Real Time Clock

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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
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Packaging
Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
82In Stock
Min.: 1
Mult.: 1
Max.: 82

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1390U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
40In Stock
Min.: 1
Mult.: 1
Max.: 40

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-10 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1391U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
329In Stock
850Expected 10/5/2026
Min.: 1
Mult.: 1
Max.: 1,179

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 DS1391U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
124In Stock
Min.: 1
Mult.: 1
Max.: 124

Serial 3-Wire 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 DS1392U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle
Datasheet
43In Stock
Min.: 1
Mult.: 1
Max.: 43

Serial 3-Wire YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1393U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
36In Stock
Min.: 1
Mult.: 1
Max.: 36

Parallel YYYY-MM-DD HH:MM:SS (24 hr) 256 B SO-28 3 V 3.6 V 0 C + 70 C DS1501WZ+ SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
5In Stock
Min.: 1
Mult.: 1
Max.: 5

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B SO-28 Backup Switching 3 V 3.6 V - 40 C + 85 C DS1501WZN+ SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
6In Stock
Min.: 1
Mult.: 1
Max.: 6

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B SO-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1501YZ+ SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks
Datasheet
54In Stock
Min.: 1
Mult.: 1
Max.: 54

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 256 B EDIP-28 Backup Switching 3 V 3.6 V 0 C + 70 C DS1511W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
17In Stock
Min.: 1
Mult.: 1
Max.: 17

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1554 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
5In Stock
Min.: 1
Mult.: 1
Max.: 5

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1554P SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
9In Stock
Min.: 1
Mult.: 1
Max.: 9

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB EDIP-32 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1554W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
2In Stock
Min.: 1
Mult.: 1
Max.: 2

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1554WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep
Datasheet
33In Stock
Min.: 1
Mult.: 1
Max.: 33

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 Portable System Controller
Datasheet
90In Stock
Min.: 1
Mult.: 1
Max.: 90

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
Max.: 130

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
208In Stock
Min.: 1
Mult.: 1
Max.: 208

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
Max.: 69

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 Portable System Controller
Datasheet
9In Stock
Min.: 1
Mult.: 1
Max.: 69

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 TOTAL-ELAPSED-TIME RECORDER WITH AL T&R
Datasheet
21In Stock
1,300Expected 10/12/2026
Min.: 1
Mult.: 1
Max.: 1,326

Serial 2-Wire, I2C Binary Binary 10 B SOIC-8 No Backup Switching 2.5 V 5.5 V - 40 C + 85 C DS1683 SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clock
Datasheet
33In Stock
Min.: 1
Mult.: 1
Max.: 33

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
71In Stock
Min.: 1
Mult.: 1
Max.: 71

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
89In Stock
Min.: 1
Mult.: 1
Max.: 89

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
132In Stock
Min.: 1
Mult.: 1
Max.: 132

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
Max.: 90

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