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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 Mfr.
Description Datasheet Availability Pricing (EUR) 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
Diodes Incorporated Real Time Clock Low Power I2C Real Time Clock
Datasheet
Non-Stocked

I2C YY-MM-DD-dd BCD 16 B SOIC-8 Backup Switching 3 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Micro Crystal RV-3129-C3-32.768k-OPTION-A-TB-QA
Micro Crystal Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Micro Crystal RV-3129-C3-32.768k-OPTION-B-TB-QA
Micro Crystal Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Micro Crystal RV-3149-C3-32.768k-OPTION-A-TB-QA
Micro Crystal Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Micro Crystal RV-3149-C3-32.768k-OPTION-B-TB-QA
Micro Crystal Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Analog Devices / Maxim Integrated MAX31329NELB+T
Analog Devices / Maxim Integrated Real Time Clock Integrated RC17 w/ NDK Crystal
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

LGA-10 Reel
Diodes Incorporated PT7C4311ZEEX
Diodes Incorporated Real Time Clock I2C Bus RTC w/56byte NVRAM RTC
Datasheet
Non-Stocked
Min.: 3.000
Mult.: 3.000
Reel: 3.000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) 56 B Backup Switching 1.2 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Diodes Incorporated PT7C4337ACSE
Diodes Incorporated Real Time Clock 32.768k crystal RTC Module Integrated
Datasheet
Non-Stocked Lead-Time 28 Weeks
Min.: 1
Mult.: 1

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 Tube
NXP Semiconductors PCA2002DUS/DAZ
NXP Semiconductors Real Time Clock PCA2002DUS/DA
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 4.000
Mult.: 4.000
Reel: 4.000

PCA2002 Reel
NXP Semiconductors PCF2003DUS/DAAZ
NXP Semiconductors Real Time Clock 32 kHz watch circuit with programmable adaptive motor pulse and pulse period
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 4.000
Mult.: 4.000
Reel: 4.000

PCF2003DUS Reel
NXP Semiconductors PCF8553DTT/AY
NXP Semiconductors Real Time Clock 4 x 40 I C-bus LCD Segment Driver in TSSOP56 Package
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 2.000
Mult.: 2.000
Reel: 2.000

PCF8553DTT Reel
NXP Semiconductors PCF8564AU/10AB/1,0
NXP Semiconductors Real Time Clock RTC IC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 33.890
Mult.: 33.890

PCF8564A Bulk
NXP Semiconductors PCF8576DT/S400/2Y
NXP Semiconductors Real Time Clock 4 x 40 I C-bus LCD Segment Driver for Low Multiplex Rates, Frame Frequency 64 Hz in TSSOP56 Package
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 2.000
Mult.: 2.000
Reel: 2.000

PCF8576D Reel
Epson Timing Real Time Clock Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

I2C No Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Epson Timing Real Time Clock Real Time Clock
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

Serial 3-Wire No Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Epson Timing Real Time Clock Real Time Clock
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

I2C No Backup Switching 1.6 V 5.5 V - 40 C + 85 C SMD/SMT Reel
Epson Timing Real Time Clock RX-4571SA:B0 PURE SN RTC SON 14PIN 5+/-23PPM 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-4571SA SMD/SMT Reel
Epson Timing Real Time Clock RX-4803SA:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K T/R
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000
SPI YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SOP-14 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-4803SA SMD/SMT Reel
Epson Timing Real Time Clock 32.768KHz 2.5V-5.5V 8 Bit x 256
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

Serial 4-Wire 8 B 2.5 V 5.5 V - 40 C + 85 C RX-5412SF SMD/SMT Reel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

I2C VSOJ-12 2.4 V 5.5 V - 40 C + 85 C RX-8035LC SMD/SMT Reel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

I2C VSOJ-12 2.4 V 5.5 V - 40 C + 85 C RX-8035LC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

I2C VSOJ-12 2.4 V 5.5 V - 40 C + 85 C RX-8035LC SMD/SMT Reel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
500Expected 6/9/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

I2C YY-MM-DD-dd HH:MM:SS (24 hr) VSOJ-12 Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-8035LC SMD/SMT Reel, Cut Tape, MouseReel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

I2C SOP-14 2.4 V 5.5 V - 40 C + 85 C RX-8035SA SMD/SMT Reel
Epson Timing Real Time Clock 3.0Volt -40 to 85C I2C BUS
Datasheet
Non-Stocked Lead-Time 20 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

I2C SOP-14 2.4 V 5.5 V - 40 C + 85 C RX-8035SA SMD/SMT Reel, Cut Tape, MouseReel