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.
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Description Datasheet Availability Pricing (CAD) 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 64B SRAM EUI-64
Datasheet
N/A
Min.: 1
Mult.: 1

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B TSSOP-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-48
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TSSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B MSOP-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) 64 B TSSOP-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 EUI-48
Datasheet
Non-Stocked
Min.: 3,300
Mult.: 3,300
: 3,300

Reel
Microchip Technology Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 21 Weeks
Min.: 3,300
Mult.: 3,300
: 3,300

Reel
Microchip Technology Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1
: 2,500

I2C 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
Microchip Technology Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48
Datasheet
Non-Stocked
Min.: 3,300
Mult.: 3,300
: 3,300

Reel
Microchip Technology Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64
Datasheet
Non-Stocked
Min.: 1
Mult.: 1
: 2,500

SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 2 kB TSSOP-14 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Reel, Cut Tape
Texas Instruments Real Time Clock Parallel RTC A 595-B Q4802LYDWR A 595-BQ A 595-BQ4802LYDWR
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 160
Mult.: 20

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 16 B SOIC-28 Backup Switching 2.7 V 3.6 V 0 C + 70 C BQ4802LY SMD/SMT Tube
Texas Instruments Real Time Clock Parallel RTC A 595-B Q4802YDW A 595-BQ48 A 595-BQ4802YDW
Datasheet
Non-Stocked Lead-Time 18 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 16 B SOIC-28 Backup Switching 4.5 V 5.5 V 0 C + 70 C BQ4802Y SMD/SMT Reel, Cut Tape, MouseReel
Texas Instruments Real Time Clock w/NVSRAM Control Wat chdog Timer
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

Parallel HH:MM:SS (24 hr) 16 B SOIC-28 Backup Switching 4.75 V 5.5 V - 40 C + 85 C BQ4845 SMD/SMT Reel

ABLIC Real Time Clock Real Time Clock
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

Serial 2-Wire YY-MM-DD-dd HH:MM:SS (24 hr) SOP-8 Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35390 SMD/SMT Reel

ABLIC Real Time Clock 2-Wire 1.3-5.5V
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 3,000
Mult.: 3,000
: 3,000

Serial 2-Wire YY-MM-DD-dd HH:MM:SS (24 hr) TSSOP-8 Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35390 SMD/SMT Reel

ABLIC Real Time Clock REAL TIME CLOCK
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

Serial 3-Wire HH:MM:SS (24 hr) SOP-8 Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35190 SMD/SMT Reel
ABLIC Real Time Clock REAL TIME CLOCK
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 5,000
Mult.: 5,000
: 5,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 7 B SNT-A-8 No Backup Switching 1.3 V 5.5 V - 40 C + 85 C S-35391 SMD/SMT Reel
ABLIC Real Time Clock 2-wire Real Time Clock
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SNT-A-8 S-35392 Reel, Cut Tape, MouseReel
ABLIC Real Time Clock 2-WIRE REAL-TIME CLOCK
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4,000
Mult.: 4,000
: 4,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 7 B No Backup Switching - 40 C + 85 C S-35399A03 SMD/SMT Reel

Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks
Datasheet
Non-Stocked Lead-Time 21 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 Low Current Real Time Clock with I C Int
Datasheet
Non-Stocked Lead-Time 24 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

I2C YY-MM-DD-dd HH:MM:SS (24 hr) WLP-8 Backup Switching 1.6 V 3.6 V - 40 C + 85 C MAX31342 SMD/SMT Reel, Cut Tape, MouseReel
NXP Semiconductors Real Time Clock PCF85163T/1
Product Comments
Non-Stocked Lead-Time 16 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

I2C HH:MM:SS (24 hr) SOT-96 1 V 5.5 V SMD/SMT Reel
NXP Semiconductors Real Time Clock ULTRA LOW POWER RTC IC
Datasheet
Non-Stocked Lead-Time 53 Weeks
Min.: 6,000
Mult.: 6,000
: 6,000

Serial YY-MM-DD-dd HH:MM:SS (24 hr) Backup Switching 1.8 V 5.5 V - 40 C + 85 C PCF8563 SMD/SMT Reel
NXP Semiconductors Real Time Clock Real time clock RTC IC
Datasheet
Non-Stocked Lead-Time 53 Weeks
Min.: 6,778
Mult.: 6,778

Serial 2-Wire, I2C Binary Binary Die Backup Switching 1 V 5.5 V - 40 C + 85 C PCF8564A SMD/SMT Bulk
NXP Semiconductors Real Time Clock CLOCK/CALENDAR RTC IC
Datasheet
Non-Stocked Lead-Time 53 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 256 B SOIC-8 No Backup Switching 1 V 6 V - 40 C + 85 C PCF8593 SMD/SMT Reel
Nisshinbo Real Time Clock 2-Wire Real Time Clock IC
Datasheet
Non-Stocked
Min.: 3,000
Mult.: 3,000
: 3,000

Serial 2-Wire, I2C BCD BCD QFN023023-16 No Backup Switching 1.7 V 5.5 V - 40 C + 85 C R2023L SMD/SMT Reel