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Home > Products  > Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks
Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Packaging Series ProductStatus Type Features MemorySize TimeFormat DateFormat Interface Voltage-Supply Voltage-SupplyBattery Current-Timekeeping(Max) OperatingTemperature MountingType
DS1347T+T&R

DS1347T+T&R

IC RTC CLK/CALENDAR SPI 8-TDFN

Analog Devices Inc./Maxim Integrated

 3,528 -

RFQ

DS1347T+T&R

Datasheet

 8-WDFN Exposed Pad Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, SRAM - HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V - 0.7µA ~ 0.8µA @ 2V ~ 5V -40°C ~ 85°C Surface Mount
RV-8523-C3-32.768KHZ-20PPM-TA-QC

RV-8523-C3-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR I2C 10SON

Micro Crystal AG

 10,708 -

RFQ

RV-8523-C3-32.768KHZ-20PPM-TA-QC

Datasheet

 10-VCDFN Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.2V ~ 5.5V - 0.18µA @ 3V -40°C ~ 85°C (TA) Surface Mount
DS1307Z+T&R

DS1307Z+T&R

IC RTC CLK/CALENDAR I2C 8-SOIC

Analog Devices Inc./Maxim Integrated

 771 -

RFQ

DS1307Z+T&R

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5V ~ 5.5V 2V ~ 3.5V 200µA @ 5V 0°C ~ 70°C Surface Mount
DS1302Z+T&R

DS1302Z+T&R

IC RTC CLK/CALENDAR SER 8-SOIC

Analog Devices Inc./Maxim Integrated

 4,073 -

RFQ

DS1302Z+T&R

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2V ~ 5.5V 2V ~ 5.5V 0.3µA ~ 1µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount
DS1390U-33+T&R

DS1390U-33+T&R

IC RTC CLK/CALENDAR SPI 10-USOP

Analog Devices Inc./Maxim Integrated

 25,060 -

RFQ

DS1390U-33+T&R

Datasheet

 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 2.97V ~ 5.5V 1.3V ~ 5.5V 175µA @ 2.97V ~ 5.5V -40°C ~ 85°C Surface Mount
DS1338Z-3+T&R

DS1338Z-3+T&R

IC RTC CLK/CALENDAR I2C 8-SOIC

Analog Devices Inc./Maxim Integrated

 14,088 -

RFQ

DS1338Z-3+T&R

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7V ~ 5.5V 1.3V ~ 3.7V 200µA @ 3.3V -40°C ~ 85°C Surface Mount
DS1394U-33+T&R

DS1394U-33+T&R

IC RTC CLK/CALENDAR SPI 10-MSOP

Analog Devices Inc./Maxim Integrated

 1,620 -

RFQ

DS1394U-33+T&R

Datasheet

 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 2.97V ~ 5.5V 1.3V ~ 5.5V 175µA @ 2.97V ~ 5.5V -40°C ~ 85°C Surface Mount
DS1391U-33+T&R

DS1391U-33+T&R

IC RTC CLK/CALENDAR SPI 10-USOP

Analog Devices Inc./Maxim Integrated

 5,129 -

RFQ

DS1391U-33+T&R

Datasheet

 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 2.97V ~ 5.5V 1.3V ~ 5.5V 175µA @ 2.97V ~ 5.5V -40°C ~ 85°C Surface Mount
M41T82SM6F

M41T82SM6F

IC RTC CLK/CALENDAR I2C 8-SOIC

STMicroelectronics

 3,892 -

RFQ

M41T82SM6F

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, SRAM, Watchdog Timer 7B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 2V ~ 5.5V 10µA @ 5.5V -40°C ~ 85°C Surface Mount
RV-3032-C7-32.768KHZ-2.5PPM-TA-QC

RV-3032-C7-32.768KHZ-2.5PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8-SON

Micro Crystal AG

 947 -

RFQ

RV-3032-C7-32.768KHZ-2.5PPM-TA-QC

Datasheet

 8-WCDFN Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Battery Switch, Clock Output Hz-MHz, Event Input, Temperature Alarm, Timer, Trickle Charge with Charge Pump 16B, 32B HH:MM:SS:100th (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V - 210nA @ 3V -40°C ~ 85°C (TA) Surface Mount
RV-3149-C3-32.768KHZ-OPTION-B-TB-QA

RV-3149-C3-32.768KHZ-OPTION-B-TB-QA

IC RTC CLK/CALENDAR SPI 10SON

Micro Crystal AG

 16,394 -

RFQ

RV-3149-C3-32.768KHZ-OPTION-B-TB-QA

Datasheet

 10-VCDFN Tape & Reel (TR),Cut Tape (CT) Automotive, AEC-Q200 Active Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 125°C (TA) Surface Mount
DS1339AU+T

DS1339AU+T

IC RTC CLK/CALENDAR I2C 8-USOP

Analog Devices Inc./Maxim Integrated

 10,523 -

RFQ

DS1339AU+T

Datasheet

 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 3.7V 200µA @ 1.71V ~ 5.5V -40°C ~ 85°C Surface Mount
DS1307ZN+T&R

DS1307ZN+T&R

IC RTC CLK/CALENDAR I2C 8-SOIC

Analog Devices Inc./Maxim Integrated

 1,172 -

RFQ

DS1307ZN+T&R

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5V ~ 5.5V 2V ~ 3.5V 200µA @ 5V -40°C ~ 85°C Surface Mount
DS1308U-33+T

DS1308U-33+T

IC RTC CLK/CALENDAR I2C 8-UMAX

Analog Devices Inc./Maxim Integrated

 17,827 -

RFQ

DS1308U-33+T

Datasheet

 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 5.5V 125µA ~ 200µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount
R2025S-E2-FE

R2025S-E2-FE

I2C-BUS REAL-TIME CLOCK MODULE

Nisshinbo Micro Devices Inc.

 15,590 -

RFQ

R2025S-E2-FE

Datasheet

 14-SOIC (0.197, 5.00mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 5.5V - 120µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount
ISL12026IBZ-T

ISL12026IBZ-T

IC RTC CLK/CALENDAR I2C 8-SOIC

Renesas Electronics America Inc

 5,880 -

RFQ

ISL12026IBZ-T

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active 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 ~ 5.5V -40°C ~ 85°C Surface Mount
R2045S-E2-FE

R2045S-E2-FE

4-WIRE SERIAL INTERFACE REAL TIM

Nisshinbo Micro Devices Inc.

 9,089 -

RFQ

R2045S-E2-FE

Datasheet

 8-SOIC (0.173, 4.40mm Width) Exposed Pad Tape & Reel (TR),Cut Tape (CT) - Active Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial, 4-Wire Serial 1.7V ~ 5.5V - 1.8µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount
RV-3149-C3-32.768KHZ-OPTION-A-TB-QA

RV-3149-C3-32.768KHZ-OPTION-A-TB-QA

IC RTC CLK/CALENDAR SPI 10SON

Micro Crystal AG

 5,922 -

RFQ

RV-3149-C3-32.768KHZ-OPTION-A-TB-QA

Datasheet

 10-VCDFN Tape & Reel (TR),Cut Tape (CT) Automotive, AEC-Q200 Active Clock/Calendar Alarm, EEPROM, Leap Year, Programmable Clock Output, RAM, Temperature, Timer, Trickle Charger 2B, 8B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 4-Wire Serial 1.3V ~ 5.5V - 1µA @ 3V -40°C ~ 125°C (TA) Surface Mount
DS2417P+

DS2417P+

IC RTC BINARY CNT SER 6-TSOC

Analog Devices Inc./Maxim Integrated

 1,570 -

RFQ

DS2417P+

Datasheet

 6-SMD, J-Lead Tube - Active Binary Counter Unique ID - Binary Binary 1-Wire® Serial 2.5V ~ 5.5V - 0.45µA @ 2.5V ~ 5.5V -40°C ~ 85°C Surface Mount
DS1683S+T&R

DS1683S+T&R

IC RTC ELAPSED CNT I2C 8-SOIC

Analog Devices Inc./Maxim Integrated

 7,285 -

RFQ

DS1683S+T&R

Datasheet

 8-SOIC (0.154, 3.90mm Width) Tape & Reel (TR),Cut Tape (CT) - Active Elapsed Time Counter Alarm, EEPROM 16B Binary Binary I²C, 2-Wire Serial 2.5V ~ 5.5V - - -40°C ~ 85°C Surface Mount
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