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: 916
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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
Analog Devices / Maxim Integrated Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
Datasheet
582Factory Stock Available
More Info Available
Min.: 40
Mult.: 40

Parallel HH:MM:SS (24 hr) 512 kB PowerCap Module-34 2.97 V 3.63 V - 40 C + 85 C DS1747WP SMD/SMT Tray
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
694Factory Stock Available
More Info Available
Min.: 42
Mult.: 14

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 4 kB EDIP-24 Integrated Battery 2.7 V 3.7 V 0 C + 70 C DS17487 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
282Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Parallel, Phantom Clock YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 4 kB EDIP-24 Integrated Battery 4.5 V 5.5 V - 40 C + 85 C DS17487 Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
443Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 kB SO-24 Backup Switching 2.7 V 3.7 V 0 C + 70 C DS17885S SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 3V/5V Real-Time Clocks
Datasheet
461Factory Stock Available
More Info Available
Min.: 28
Mult.: 14

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 8 kB EDIP-24 Integrated Battery 2.7 V 3.7 V 0 C + 70 C DS17887 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Low Current Real Time Clock with I2C Int
Datasheet
102.500Factory Stock Available
More Info Available
Min.: 2.500
Mult.: 2.500
Reel: 2.500

I2C WLP-12 MAX31341 Reel
Analog Devices / Maxim Integrated Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee
Datasheet
130Factory Stock Available
More Info Available
Min.: 40
Mult.: 40

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 512 kB PowerCap Module-34 Backup Switching 2.97 V 3.63 V 0 C + 70 C DS1557WP SMD/SMT Tray
Epson Timing RX-4803SA:UB PURE SN
Epson Timing Real Time Clock RTC +/-5.0PPM-40~85C STICK
Datasheet
25Expected 16/03/2026
Min.: 1
Mult.: 1
RX-4803SA Tube
Diodes Incorporated PT7C4337UEX-2017
Diodes Incorporated Real Time Clock Real Time Clock MSOP-8 T&R 2.5K
Datasheet
162.500Factory Stock Available
More Info Available
Min.: 2.500
Mult.: 2.500
Reel: 2.500
Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) No Backup Switching 1.2 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM ID
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
Lead-Time 6 Weeks
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 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 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 Lead-Time 4 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 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 Lead-Time 6 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 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 SPI GP RTCC 1Kb EE 64B SRAM ID
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel
Microchip Technology Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 3.300
Mult.: 3.300
Reel: 3.300

Reel