Professional testing equipment and reports to ensure product quality.
ELECTRONIC COMPONENTS

Real Time Clocks

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package
RX4901CE XS D03 EPSON

RX4901CE XS D03

IC RTC CLK/CALENDAR SPI 10SMD

EPSON

1,528 -
Datasheet - - Tape & Reel (TR) Active - - - - - - - - - - - - - - -
RX4901CE XS B03 EPSON

RX4901CE XS B03

IC RTC CLK/CALENDAR SPI 10SMD

EPSON

1,734 -
Datasheet - - Tape & Reel (TR) Active - - - - - - - - - - - - - - -
RX4901CE XB D03 EPSON

RX4901CE XB D03

IC RTC CLK/CALENDAR SPI 10SMD

EPSON

3,087 -
Datasheet - - Tape & Reel (TR) Active - - - - - - - - - - - - - - -
RX8901CE XB B03 EPSON

RX8901CE XB B03

IC RTC CLK/CALENDAR I2C 10SMD

EPSON

1,234 -
Datasheet - - Tape & Reel (TR) Active - - - - - - - - - - - - - - -
DS1685SN-5+T&R Analog Devices Inc./Maxim Integrated

DS1685SN-5+T&R

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

3,908 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V -40°C ~ 85°C Surface Mount - - 24-SOIC
RX-8035LCAA PURE SN EPSON

RX-8035LCAA PURE SN

IC RTC EVENT REC I2C 12VSOJ

EPSON

2,838 -
Datasheet RX-8035LC 12-TFSOJ (0.094", 2.40mm Width) Bulk Active - Clock/Calendar Alarm - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 2.4V ~ 5.5V 1V ~ 5.5V 2.5µA @ 3V -40°C ~ 85°C Surface Mount - - 12-VSOJ
DS12887A Analog Devices Inc./Maxim Integrated

DS12887A

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

1,466 -
Datasheet - 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
DS12887 Analog Devices Inc./Maxim Integrated

DS12887

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

1,816 -
Datasheet - 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
DS1501YEN Analog Devices Inc./Maxim Integrated

DS1501YEN

IC RTC CLK/CALENDAR PAR 28TSOP

Analog Devices Inc./Maxim Integrated

3,685 -
Datasheet - 28-TSSOP (0.465", 11.80mm Width) Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 5mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-TSOP
DS1673E-5+T&R Analog Devices Inc./Maxim Integrated

DS1673E-5+T&R

IC RTC SYST CTRLR SER 20TSSOP

Analog Devices Inc./Maxim Integrated

3,978 -
Datasheet - 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.7V 300µA @ 5V 0°C ~ 70°C Surface Mount - - 20-TSSOP
RX-4571NB:B3 PURE SN EPSON

RX-4571NB:B3 PURE SN

IC RTC CLK/CALENDAR SER 22SON

EPSON

3,837 -
Datasheet RX-4571NB 22-LFDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V - 0.95µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 22-SON (6.3x4.8)
RX-8571NB:B3PURESN EPSON

RX-8571NB:B3PURESN

IC RTC CLK/CALENDAR I2C 22SON

EPSON

2,248 -
Datasheet RX-8571NB 22-LFDFN Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, RAM 16B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.6V ~ 5.5V - 0.55µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 22-SON (6.3x4.8)
DS1670E+T&R Analog Devices Inc./Maxim Integrated

DS1670E+T&R

IC RTC SYST CTRLR SER 20TSSOP

Analog Devices Inc./Maxim Integrated

2,730 -
Datasheet - 20-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2.97V ~ 3.63V 2.5V ~ 3.7V 100µA @ 3.3V 0°C ~ 70°C Surface Mount - - 20-TSSOP
RX-4035SA:AA3 PURE SN EPSON

RX-4035SA:AA3 PURE SN

IC RTC TIME EVENT REC SPI 14SOP

EPSON

1,905 -
Datasheet RX-4035SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Active Not Verified Time Event Recorder Alarm - - - SPI 2.4V ~ 5.5V 1V ~ 5.5V 2.5µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
RX-4035SAAC3 PURE SN EPSON

RX-4035SAAC3 PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

4,338 -
Datasheet RX-4035SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm - - - SPI 2.4V ~ 5.5V 1V ~ 5.5V 2.5µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
DS17485SN-5 Analog Devices Inc./Maxim Integrated

DS17485SN-5

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

2,976 -
Datasheet - 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 24-SOIC
DS12885Q+T&R Analog Devices Inc./Maxim Integrated

DS12885Q+T&R

IC RTC CLK/CALENDAR PAR 28PLCC

Analog Devices Inc./Maxim Integrated

4,865 -
Datasheet - 28-LCC (J-Lead) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-PLCC (11.51x11.51)
M41T256YMH7E STMicroelectronics

M41T256YMH7E

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

2,396 -
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
DS1284Q Analog Devices Inc./Maxim Integrated

DS1284Q

IC RTC CLK/CALENDAR PAR 28PLCC

Analog Devices Inc./Maxim Integrated

4,388 -
Datasheet - 28-LCC (J-Lead) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 50B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.4V ~ 3.5V 7mA @ 5V 0°C ~ 70°C Surface Mount - - 28-PLCC (11.51x11.51)
RX-5412SF:B3 PURE SN EPSON

RX-5412SF:B3 PURE SN

IC RTC TIME EVENT REC SPI 24SOP

EPSON

1,751 -
Datasheet - 24-SOP (0.213", 5.40mm Width) Tape & Reel (TR) Obsolete Not Verified Time Event Recorder Alarm, Leap Year, SRAM, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd SPI 2.5V ~ 5.5V 1.4V ~ 5.5V 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SSOP
Total 2405 Record«Prev1... 7273747576777879...121Next»
BOM & COMPONENT SOURCING

Need Pricing or Stock Support for Real Time Clocks?

Submit your required part numbers, manufacturers and quantities to receive stock availability, pricing, lead-time and sourcing support. Our team assists with active components, shortage parts, obsolete models and one-stop BOM procurement.