Tube Real Time Clock

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Description Datasheet Availability Pricing (IDR) 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
STMicroelectronics Real Time Clock 64K (8Kx8) 100ns
Datasheet
184In Stock
1.200Expected 28/09/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T18 Through Hole Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
293In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T35 Through Hole Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns
Datasheet
118In Stock
480Expected 22/09/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T35Y Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
200In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T58 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns
Datasheet
216In Stock
240Expected 14/09/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T58Y Through Hole Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
12.291In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
135In Stock
Min.: 1
Mult.: 1
Max.: 135

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB EDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1244Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 1024k NV SRAM with Phantom Clock
Datasheet
150In Stock
Min.: 1
Mult.: 1
Max.: 150

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 128 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1248Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
412In Stock
Min.: 1
Mult.: 1
Max.: 413

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS12887A Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
746In Stock
Min.: 1
Mult.: 1
Max.: 745

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B PDIP-8 Backup Switching 2 V 5.5 V 0 C + 70 C DS1302 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
564In Stock
Min.: 1
Mult.: 1
Max.: 564

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302SN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
2.309In Stock
Min.: 1
Mult.: 1
Max.: 2.309

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip
Datasheet
1.199In Stock
Min.: 1
Mult.: 1
Max.: 1.199

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302ZN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
793In Stock
Min.: 1
Mult.: 1
Max.: 799

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 DS1305 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
1.258In Stock
1.084Expected 04/09/2026
Min.: 1
Mult.: 1
Max.: 2.392

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 DS1306E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
1.026In Stock
Min.: 1
Mult.: 1
Max.: 1.026

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1306EN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
1.136In Stock
Min.: 1
Mult.: 1
Max.: 1.136

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B PDIP-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
909In Stock
Min.: 1
Mult.: 1
Max.: 912

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1307ZN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
1.262In Stock
Min.: 1
Mult.: 1
Max.: 1.262

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM
Datasheet
1.026In Stock
Min.: 1
Mult.: 1
Max.: 1.026

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SO-16 Backup Switching 3 V 5.5 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
3.000In Stock
Min.: 1
Mult.: 1
Max.: 3.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 1.71 V 5.5 V - 40 C + 85 C DS1338Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock
Datasheet
990In Stock
Min.: 1
Mult.: 1
Max.: 1.572

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1339U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
330In Stock
Min.: 1
Mult.: 1
Max.: 330

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
1.187In Stock
Min.: 1
Mult.: 1
Max.: 1.187

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1340Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger
Datasheet
2.339In Stock
Min.: 1
Mult.: 1
Max.: 2.389

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340Z SMD/SMT Tube