Real Time Clock

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Description Datasheet Availability Pricing (JPY) 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 5ppm, I2C Real-Time Clock
Datasheet
3,976Expected 2/10/2027
Min.: 1
Mult.: 1
Max.: 3,976

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 2.3 V 5.5 V - 40 C + 85 C DS3231MZ SMD/SMT Tube
Analog Devices / Maxim Integrated MAX31328NELB+T
Analog Devices / Maxim Integrated Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
Datasheet
4,972Expected 11/18/2026
Min.: 1
Mult.: 1
Max.: 4,975
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) LGA-10 Backup Switching 2.3 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
90Expected 9/21/2026
Min.: 1
Mult.: 1
Max.: 90

Parallel, Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 4 MB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1251Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC/Supervisor with Trickle Charger
Datasheet
600Expected 8/21/2026
Min.: 1
Mult.: 1
Max.: 600

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 B SOIC-8 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS1388Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
22Expected 9/3/2026
Min.: 1
Mult.: 1
Max.: 22

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 512 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1251WP SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTC with 56-Byte NV RAM
Datasheet
146Expected 9/21/2026
Min.: 1
Mult.: 1
Max.: 146

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B uSOP-8 Backup Switching 1.71 V 5.5 V - 40 C + 85 C DS1308U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
Datasheet
300Expected 8/27/2026
Min.: 1
Mult.: 1
Max.: 300

I2C Binary Binary 32 B uSOP-10 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1374U SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi
Datasheet
22Expected 9/3/2026
Min.: 1
Mult.: 1
Max.: 22

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 256k NV SRAM with Phantom Clock
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 kB EDIP-28 Integrated Battery 3.3 V 5 V 0 C + 70 C DS1244W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 24
Mult.: 12

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB EDIP-28 Integrated Battery 2.97 V 3.63 V - 40 C + 85 C DS1244W Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB PowerCap Module-34 2.97 V 3.63 V 0 C + 70 C DS1244WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB PowerCap Module-34 4.5 V 5.5 V 0 C + 70 C DS1244YP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 1024k NV SRAM with Phantom Clock
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 128 kB PowerCap Module-34 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1248Y SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B SO-24 4.5 V 5.5 V - 40 C + 85 C DS12885SN SMD/SMT Reel
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 250
Mult.: 250

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B TQFP-32 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS12885T SMD/SMT Tray

Analog Devices / Maxim Integrated Real Time Clock RTCs with Constant-Voltage Trickle Charg
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B SO-24 Backup Switching 2.97 V 3.63 V - 40 C + 85 C DS12R885S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock RTCs with Constant-Voltage Trickle Charg
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Multiplexed YY-MM-DD-dd HH:MM:SS (24 hr) 114 B SO-24 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS12R885S SMD/SMT Reel
Analog Devices / Maxim Integrated Real Time Clock Low-Current I C RTC with 56-Byte NV RAM
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

uSOP-8 DS1308U Reel

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B TSSOP-20 Backup Switching 3 V 3.6 V 0 C + 70 C DS1315E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

Phantom Clock HH:MM:SS:hh (12 hr, 24 hr) 8 B TSSOP-20 Backup Switching 3 V 3.6 V - 40 C + 85 C DS1315EN SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B PDIP-16 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1315N Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 B SOIC-16 Backup Switching 3 V 3.6 V 0 C + 70 C DS1315S SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Phantom Clock 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 Reel

Analog Devices / Maxim Integrated Real Time Clock Phantom Time Chip
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 B SO-16 Backup Switching 3 V 3.6 V - 40 C + 85 C DS1315SN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SO-16 Backup Switching 1.71 V 1.89 V - 40 C + 85 C DS1338C SMD/SMT Tube