Real Time Clocks

Manufacturer 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

Reset All
Apply All
Result

Real Time Clock (RTC) ICs are timing components used to maintain accurate time and calendar information in electronic systems, even when the main power is turned off. They are widely used in embedded systems, industrial control, consumer electronics, communication equipment, medical devices, automotive electronics, IoT products, meters and data logging applications.

This category includes real time clock ICs, battery-backed RTCs, low-power RTCs, I2C RTCs, SPI RTCs, calendar clock ICs and related clock/timing components. These devices are commonly selected based on timekeeping accuracy, backup power support, interface type, alarm functions, operating voltage, current consumption, package type and application requirements.

TomatoElec supplies original Real Time Clock RTC ICs from recognized semiconductor manufacturers such as Microchip, NXP, STMicroelectronics, Renesas, Texas Instruments, Analog Devices, onsemi, Infineon and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
DS1501WEN+T&R

DS1501WEN+T&R

IC RTC CLK/CALENDAR PAR 28TSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1501WEN+T&R Datasheet - 28-TSSOP (0.465", 11.80mm Width) Tape & Reel (TR) 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 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-TSOP
DS1501WE+T&R

DS1501WE+T&R

IC RTC CLK/CALENDAR PAR 28TSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1501WE+T&R Datasheet - 28-TSSOP (0.465", 11.80mm Width) Tape & Reel (TR) 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 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 28-TSOP
RTC-72421A:ROHS

RTC-72421A:ROHS

IC RTC CLK/CALENDAR PAR 18DIP

EPSON

0 -
RFQ
RTC-72421A:ROHS Datasheet RTC-72421 18-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -10°C ~ 70°C Through Hole - - 18-DIP
RTC-72421B: ROHS

RTC-72421B: ROHS

IC RTC CLK/CALENDAR PAR 18DIP

EPSON

0 -
RFQ
RTC-72421B: ROHS Datasheet RTC-72421 18-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -10°C ~ 70°C Through Hole - - 18-DIP
RTC-72423A: ROHS

RTC-72423A: ROHS

IC RTC CLK/CALENDAR PAR 24SOP

EPSON

0 -
RFQ
RTC-72423A: ROHS Datasheet RTC-72423 24-SOIC (0.311", 7.90mm Width) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SOP
RTC-72423A:3:ROHS

RTC-72423A:3:ROHS

IC RTC CLK/CALENDAR PAR 24SOP

EPSON

0 -
RFQ
RTC-72423A:3:ROHS Datasheet RTC-72423 24-SOIC (0.311", 7.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SOP
RTC-72423B:ROHS

RTC-72423B:ROHS

IC RTC CLK/CALENDAR PAR 24SOP

EPSON

0 -
RFQ
RTC-72423B:ROHS Datasheet RTC-72423 24-SOIC (0.311", 7.90mm Width) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SOP
RTC-72423B3: ROHS

RTC-72423B3: ROHS

IC RTC CLK/CALENDAR PAR 24SOP

EPSON

0 -
RFQ
RTC-72423B3: ROHS Datasheet RTC-72423 24-SOIC (0.311", 7.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 5µA ~ 10µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SOP
RTC-62421A:ROHS

RTC-62421A:ROHS

IC RTC CLK/CALENDAR PAR 18DIP

EPSON

0 -
RFQ
RTC-62421A:ROHS Datasheet - 18-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 1.8µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Through Hole - - 18-DIP
RTC-62421B:ROHS

RTC-62421B:ROHS

IC RTC CLK/CALENDAR PAR 18DIP

EPSON

0 -
RFQ
RTC-62421B:ROHS Datasheet - 18-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 1.8µA ~ 3µA @ 2V ~ 5V -40°C ~ 85°C Through Hole - - 18-DIP
ISL12029IBZ-T

ISL12029IBZ-T

IC RTC CLK/CALENDAR I2C 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL12029IBZ-T Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12029IV27Z-T

ISL12029IV27Z-T

IC RTC CLK/CALENDAR I2C 14TSSOP

Renesas Electronics Corporation

0 -
RFQ
ISL12029IV27Z-T Datasheet - 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-TSSOP
ISL12028IBZ-T

ISL12028IBZ-T

IC RTC CLK/CALENDAR I2C 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL12028IBZ-T Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12028IB27Z-T

ISL12028IB27Z-T

IC RTC CLK/CALENDAR I2C 14SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL12028IB27Z-T Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12027IBZ-T

ISL12027IBZ-T

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

0 -
RFQ
ISL12027IBZ-T Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12027IV27Z-T

ISL12027IV27Z-T

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

0 -
RFQ
ISL12027IV27Z-T Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-TSSOP
X1226S8ZT1

X1226S8ZT1

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

0 -
RFQ
X1226S8ZT1 Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V 0°C ~ 70°C Surface Mount - - 8-SOIC
X1205S8ZT1

X1205S8ZT1

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

0 -
RFQ
X1205S8ZT1 Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V 0°C ~ 70°C Surface Mount - - 8-SOIC
X1226V8IZT1

X1226V8IZT1

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

0 -
RFQ
X1226V8IZT1 Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V -40°C ~ 85°C Surface Mount - - 8-TSSOP
X1205S8Z

X1205S8Z

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

0 -
RFQ
X1205S8Z Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5V 0°C ~ 70°C Surface Mount - - 8-SOIC
Total 2404 Record«Prev1... 9293949596979899...121Next»
TomatoElec

Search

TomatoElec

Products

TomatoElec

Phone

TomatoElec

User