Real Time Clock

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model RTC Bus Interface
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Time Format
RTC Memory Size
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Battery Backup Switching
Supply Voltage - Min
Supply Voltage - Max
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Maximum Operating Temperature
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Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
233In Stock
Min.: 1
Mult.: 1
Max.: 233

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B PDIP-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302N Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
212In Stock
148Expected 11/2/2026
Min.: 1
Mult.: 1
Max.: 360

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V 0 C + 70 C DS1305E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
155In Stock
Min.: 1
Mult.: 1
Max.: 155

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B DIP-16 Backup Switching 2 V 5.5 V 0 C + 70 C DS1306 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTC with 56-Byte NV RAM
Datasheet
91In Stock
Min.: 1
Mult.: 1
Max.: 91

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 2.7 V 5.5 V - 40 C + 85 C DS1308U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTC with 56-Byte NV RAM
Datasheet
299In Stock
Min.: 1
Mult.: 1
Max.: 299

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1308U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
32In Stock
Min.: 1
Mult.: 1
Max.: 33

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B DIP-16 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1315 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
16In Stock
Min.: 1
Mult.: 1
Max.: 16

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B TSSOP-20 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1315E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
4In Stock
92On Order
Min.: 1
Mult.: 1
Max.: 96

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B SO-16 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1315S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
35In Stock
Min.: 1
Mult.: 1
Max.: 35

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B SO-16 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1315SN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
96In Stock
Min.: 1
Mult.: 1
Max.: 96

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 Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
152In Stock
250Expected 9/7/2026
Min.: 1
Mult.: 1
Max.: 402

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 DS1337U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
545In Stock
3,000Expected 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 3,063

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 DS1337U SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
51In Stock
Min.: 1
Mult.: 1
Max.: 51

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SO-16 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1338C SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
58In Stock
Min.: 1
Mult.: 1
Max.: 58

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1338U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
269In Stock
Min.: 1
Mult.: 1
Max.: 269

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1338U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
99In Stock
400On Order
Min.: 1
Mult.: 1
Max.: 499

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Low-Current, I C, Serial Real-Time Clock
Datasheet
292In Stock
Min.: 1
Mult.: 1
Max.: 292

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 1.71 V 5.5 V - 40 C + 85 C DS1339AU SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL
Datasheet
25In Stock
Min.: 1
Mult.: 1
Max.: 7

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 7 B uSOP-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1339BU SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
239In Stock
250Expected 9/7/2026
Min.: 1
Mult.: 1
Max.: 489

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 1.8 V 2.2 V - 40 C + 85 C DS1339U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
64In Stock
Min.: 1
Mult.: 1
Max.: 64

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1340C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
239In Stock
Min.: 1
Mult.: 1
Max.: 239

I2C YY-MM-DD-dd HH:MM:SS (24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTCs for High-ESR Crystals
Datasheet
121In Stock
Min.: 1
Mult.: 1
Max.: 121

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 Low-Current SPI/3-Wire RTCs
Datasheet
17In Stock
Min.: 1
Mult.: 1
Max.: 17

Serial 3-Wire, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 96 B TSSOP-20 Backup Switching 2.7 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
199In Stock
Min.: 1
Mult.: 1
Max.: 199

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 DS1344E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID
Datasheet
173In Stock
750Expected 10/14/2026
Min.: 1
Mult.: 1
Max.: 923

I2C Binary Binary 12 B uSOP-8 No Backup Switching 2.4 V 5.5 V - 40 C + 85 C DS1372U+ SMD/SMT Tube