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
RX-4801SA:UB0 PURE SN

RX-4801SA:UB0 PURE SN

IC RTC CLK/CALENDAR SER 14SOP

EPSON

0 -
RFQ
RX-4801SA:UB0 PURE SN

Datasheet

RX-4801SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm - - - 4-Wire Serial 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
RA-8565SA:B3 ROHS

RA-8565SA:B3 ROHS

IC RTC CLK/CALENDAR I2C 14SOP

EPSON

0 -
RFQ
RA-8565SA:B3 ROHS

Datasheet

- 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 125°C Surface Mount - - 14-SOP
BQ3285LDSSG4

BQ3285LDSSG4

IC RTC CLK/CALENDAR PAR 24SSOP

Texas Instruments

0 -
RFQ

-

- 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 5.5V 2.4V ~ 4V 100µA @ 3V 0°C ~ 70°C Surface Mount - - 24-SSOP
1337GCSRI8

1337GCSRI8

IC RTC CLK/CALENDAR I2C 16SOIC

Renesas Electronics Corporation

0 -
RFQ
1337GCSRI8

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.6µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 16-SOIC
RX4111CE AB

RX4111CE AB

IC RTC CLK/CALENDAR SPI 10SMD

EPSON

0 -
RFQ
RX4111CE AB

Datasheet

RX4111CE 10-SMD, No Lead Bulk Active Not Verified Clock/Calendar Alarm, RAM - HH:MM:SS YY-MM-DD SPI, 4-Wire Serial 1.6V ~ 5.5V - 3µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SMD
ISL1220IUZ-T

ISL1220IUZ-T

IC RTC CLK/CALENDAR I2C 10MSOP

Renesas Electronics Corporation

0 -
RFQ
ISL1220IUZ-T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, SRAM 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 10-MSOP
PT7C4337ACSEX

PT7C4337ACSEX

IC RTC CLK/CALENDAR I2C 16SOIC

Diodes Incorporated

0 -
RFQ
PT7C4337ACSEX

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.8µA @ 1.3V ~ 1.8V -40°C ~ 85°C (TA) Surface Mount - - 16-SOIC
DS12885

DS12885

IC RTC CLK/CALENDAR PAR 24DIP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS12885

Datasheet

- 24-DIP (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-PDIP
PCF8583T/5,518

PCF8583T/5,518

IC RTC CLOCK/CALENDAR I2C 8SO

NXP USA Inc.

0 -
RFQ
PCF8583T/5,518

Datasheet

- 8-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output 240B HH:MM:SS:hh (12/24 hr) YY-MM-DD I2C, 2-Wire Serial 2.5V ~ 6V - 10µA ~ 50µA @ 1V ~ 5V -40°C ~ 85°C Surface Mount - - 8-SO
DS1685EN-5/T&R

DS1685EN-5/T&R

IC RTC CLK/CALENDAR PAR 24TSSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1685EN-5/T&R

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete 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-TSSOP
RX-8035SA:AC PURE SN

RX-8035SA:AC PURE SN

IC RTC TIME EVENT REC I2C 14SOP

EPSON

0 -
RFQ
RX-8035SA:AC PURE SN

Datasheet

RX-8035SA 14-SOIC (0.197", 5.00mm Width) Tube Active Not Verified Time Event Recorder Alarm - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.4V ~ 5.5V 1V ~ 5.5V 2.5µA @ 3V -40°C ~ 85°C Surface Mount - - 14-SOP
DS1602S+

DS1602S+

IC RTC ELAPSED CTR SER 8SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1602S+

Datasheet

- 8-SOIC (0.209", 5.30mm Width) Tube Obsolete Not Verified Elapsed Time Counter - - Binary Binary 3-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 50µA @ 5V -40°C ~ 85°C Surface Mount - - 8-SOIC
DS1343D-3+

DS1343D-3+

IC RTC CLK/CALENDAR SPI 14TDFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1343D-3+

Datasheet

- 14-WFDFN Exposed Pad Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2.7V ~ 5.5V 1.3V ~ 5.5V - -40°C ~ 85°C Surface Mount - - 14-TDFN (3x3)
DS1344D-18+

DS1344D-18+

IC RTC CLK/CALENDAR SPI 14TDFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1344D-18+

Datasheet

- 14-WFDFN Exposed Pad Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 1.71V ~ 5.5V 1.3V ~ 5.5V - -40°C ~ 85°C Surface Mount - - 14-TDFN (3x3)
DS12885S/T&R

DS12885S/T&R

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS12885S/T&R

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) 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 Surface Mount - - 24-SOIC
RA-4574SA:B3 PURE SN

RA-4574SA:B3 PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

0 -
RFQ
RA-4574SA:B3 PURE SN

Datasheet

RA-4574SA 14-SOIC (0.197", 5.00mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS YY-MM-DD-dd SPI 1.6V ~ 5.5V - 0.5µA ~ 1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 14-SOP
DS1685QN-5/T&R

DS1685QN-5/T&R

IC RTC CLK/CALENDAR PAR 28PLCC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS1685QN-5/T&R

Datasheet

- 28-LCC (J-Lead) Tape & Reel (TR) Obsolete 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 - - 28-PLCC (11.51x11.51)
DS12885Q

DS12885Q

IC RTC CLK/CALENDAR PAR 28PLCC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
DS12885Q

Datasheet

- 28-LCC (J-Lead) 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 Surface Mount - - 28-PLCC (11.51x11.51)
BQ4802LYDWRG4

BQ4802LYDWRG4

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

0 -
RFQ
BQ4802LYDWRG4

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Discontinued at Digi-Key Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.6V 2.4V ~ 4V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount - - 28-SOIC
RX-4035LC:B3 PURE SN

RX-4035LC:B3 PURE SN

IC RTC EVENT REC SPI 12VSOJ

EPSON

0 -
RFQ
RX-4035LC:B3 PURE SN

Datasheet

RX-4035LC 12-TFSOJ (0.094", 2.40mm 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 - - 12-VSOJ
Total 2405 Record«Prev1... 6162636465666768...121Next»
TomatoElec

Search

TomatoElec

Products

TomatoElec

Phone

TomatoElec

User