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.
Results: 905
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Description Datasheet Availability Pricing (USD) 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
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
3,673In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

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 Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
2,332In 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
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
4,107In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TDFN-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID
Datasheet
2,092In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial, I2C, SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B Backup Switching 1.8 V 3.6 V - 40 C + 85 C SMD/SMT Reel, Cut Tape, MouseReel
Microchip Technology Real Time Clock 1Kb EE 64B SRAM WD TED ID
Datasheet
984In Stock
576On Order
Min.: 1
Mult.: 1

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 1 kB TSSOP-14 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Texas Instruments Real Time Clock Serial RTC A 595-BQ3 2000D A 595-BQ32000 A 595-BQ32000D
Datasheet
4,281In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 120
: 2,500

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOIC-8 Backup Switching 3 V 3.6 V - 40 C + 85 C BQ32000 SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D
Datasheet
2,655In Stock
2,500On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 330
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SOIC-8 Backup Switching 3 V 3.6 V - 40 C + 85 C BQ32002 SMD/SMT Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock
Datasheet
85In Stock
Min.: 1
Mult.: 1

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
75In Stock
80On Order
Min.: 1
Mult.: 1

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 1024k NV SRAM with Phantom Clock
Datasheet
35In Stock
Min.: 1
Mult.: 1

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 - 40 C + 85 C DS1248Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 4096k NV SRAM with Phantom Clock
Datasheet
66In Stock
Min.: 1
Mult.: 1

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 Real-Time Clocks
Datasheet
1,136In Stock
1,288On Order
Min.: 1
Mult.: 1

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 DS12887 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
643In Stock
112On Order
Min.: 1
Mult.: 1

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
1,116In Stock
1,250On Order
Min.: 1
Mult.: 1

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
647In Stock
Min.: 1
Mult.: 1

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
680In Stock
Min.: 1
Mult.: 1

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 Trickle-Charge Timekeeping Chip
Datasheet
3,077In Stock
2,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V 0 C + 70 C DS1302Z SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
305In Stock
Min.: 1
Mult.: 1

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
241In Stock
Min.: 1
Mult.: 1

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
773In Stock
More Info Available
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 DS1305EN SMD/SMT Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
1,500In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
1,573In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock
Datasheet
236In Stock
Min.: 1
Mult.: 1

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 DS1306N Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock
Datasheet
1,777In Stock
Min.: 1
Mult.: 1

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
462In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B PDIP-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1307N Through Hole Tube