Real Time Clock

Real Time Clock
Real Time Clocks are in stock with same-day shipping at Mouser 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.
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Please view our large selection of real time clocks below.
Results: 938
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Description Datasheet Availability Pricing (PLN) 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
Epson Timing RX-4035SAAC3 PURE SN
Epson Timing Real Time Clock RX-4035SA:AC3 PURE SN REAL TIME CLOCK 0+/-5PPM 250 T/R
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250

Reel
Epson Timing RX-4035SAACB PURE SN
Epson Timing Real Time Clock RX-4035SA:ACB PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Bulk
Epson Timing RX-4803LCUA0 PURE SN
Epson Timing Real Time Clock RX-4803LC:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K TR
Datasheet
Non-Stocked
Min.: 1 000
Mult.: 1 000
: 1 000

Reel
Epson Timing RX-4803SAUB0 PURE SN
Epson Timing Real Time Clock RX-4803SA:UB0 PURE SN RTC 1.6 5.5V +/-5.0PPM-40 85C 1K T/R
Datasheet
Non-Stocked Lead-Time 20 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 1 000
RX-4803SA Reel, Cut Tape, MouseReel
Epson Timing RX-4571LCB0 PURE SN
Epson Timing Real Time Clock RX-4571LC:B0 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 1K TR
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
Reel
Epson Timing RX-8803LC:UA3 PURE SN
Epson Timing Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C VSOJ-12 PIN 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) VSOJ-12 No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-8803LC SMD/SMT Reel
Epson Timing RX-4035LC:B3 PURE SN
Epson Timing Real Time Clock RTC 5+/-23PPM 250TR
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 250
Mult.: 250
: 250

SPI Backup Switching 2.4 V 5.5 V - 40 C + 85 C RX-4035LC SMD/SMT Reel
Epson Timing RX-4035LC:BB PURE SN
Epson Timing Real Time Clock RTC 5+/-23PPM BULK - CUT TAPE
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1
RX-4035LC Bulk
Epson Timing RX-4035SA:B3 PURE SN
Epson Timing Real Time Clock REAL TIME CLOCK 5+/-23PPM (SOP 14 PIN) 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX-4035SA Reel
Epson Timing RX4111CE A6
Epson Timing Real Time Clock RX4111CE:A6 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 2K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 2 000
Reel, Cut Tape, MouseReel
Epson Timing RX-4571LC:B PURE SN
Epson Timing Real Time Clock RTC VSOJ 12PIN 5+/-23PPM BULK - CUT TAPE
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

Serial 3-Wire No Backup Switching 1.6 V 5.5 V - 40 C + 85 C RX-4571LC SMD/SMT Bulk
Epson Timing RX-4803LC:UA PURE SN
Epson Timing Real Time Clock RTC +/-3.4PPM-40 85C BULK-CUT TAPE
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 100
Mult.: 1
RX-4803LC Bulk
Epson Timing RX4901CE XB A00
Epson Timing Real Time Clock RX4901CE XB A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XB A03
Epson Timing Real Time Clock RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel
Epson Timing RX4901CE XB B00
Epson Timing Real Time Clock RX4901CE XB B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XB B03
Epson Timing Real Time Clock RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel
Epson Timing RX4901CE XB C00
Epson Timing Real Time Clock RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XB C03
Epson Timing Real Time Clock RX4901CE XB C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel
Epson Timing RX4901CE XB D00
Epson Timing Real Time Clock RX4901CE XB D00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XB D03
Epson Timing Real Time Clock RX4901CE XB D03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel
Epson Timing RX4901CE XS A00
Epson Timing Real Time Clock RX4901CE XS A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XS A03
Epson Timing Real Time Clock RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel
Epson Timing RX4901CE XS A0B
Epson Timing Real Time Clock RX4901CE XS A0B REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT BULK
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
RX4901CE Bulk
Epson Timing RX4901CE XS B00
Epson Timing Real Time Clock RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 1K TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000
RX4901CE Reel
Epson Timing RX4901CE XS B03
Epson Timing Real Time Clock RX4901CE XS B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 250TR
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 250
Mult.: 250
: 250
RX4901CE Reel