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    Home > Products  > Integrated Circuits (ICs) > Clock/Timing > Real Time Clocks

    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
    X1228S14-2.7A

    X1228S14-2.7A

    IC RTC CLK/CALENDAR I2C 14SOIC

    Renesas Electronics Corporation

    		 2,603 0.00
    RFQ
    		X1228S14-2.7A

    Datasheet

         		- 14-SOIC (0.154", 3.90mm Width) Tube 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 ~ 5V 0°C ~ 70°C Surface Mount - - 14-SOIC
    X1228S14-4.5A

    X1228S14-4.5A

    IC RTC CLK/CALENDAR I2C 14SOIC

    Renesas Electronics Corporation

    		 4,123 1.00
    RFQ
    		X1228S14-4.5A

    Datasheet

         		- 14-SOIC (0.154", 3.90mm Width) Tube 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 ~ 5V 0°C ~ 70°C Surface Mount - - 14-SOIC
    DS1511W

    DS1511W

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 3,806 0.00
    RFQ
    		DS1511W

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube 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 Through Hole - - 28-EDIP
    DS14285Q

    DS14285Q

    IC RTC CLK/CALENDAR PAR 28PLCC

    Analog Devices Inc./Maxim Integrated

    		 1,660 0.00
    RFQ
    		DS14285Q

    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 ~ 3.6V 0.5µA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-PLCC (11.51x11.51)
    DS1307

    DS1307

    IC RTC CLOCK/CALENDAR I2C 8DIP

    Analog Devices Inc./Maxim Integrated

    		 3,884 0.00
    RFQ
    		DS1307

    Datasheet

         		- 8-DIP (0.300", 7.62mm) Tube Obsolete Not Verified 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 Through Hole - - 8-PDIP
    DS1642-100

    DS1642-100

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 1,440 0.00
    RFQ
    		DS1642-100

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 2KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 5V 0°C ~ 70°C Through Hole - - 24-EDIP
    DS1315-5

    DS1315-5

    IC RTC PHANTOM CHIP PAR 16DIP

    Analog Devices Inc./Maxim Integrated

    		 2,548 9.51
    RFQ
    		DS1315-5

    Datasheet

         		- 16-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 1.3mA @ 5V 0°C ~ 70°C Through Hole - - 16-PDIP
    DS1305

    DS1305

    IC RTC CLK/CALENDAR SPI 16DIP

    Analog Devices Inc./Maxim Integrated

    		 3,421 0.00
    RFQ
    		DS1305

    Datasheet

         		- 16-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 5.5V 25.3µA ~ 81µA @ 2V ~ 5V 0°C ~ 70°C Through Hole - - 16-PDIP
    DS1305E

    DS1305E

    IC RTC CLK/CALENDAR SPI 20TSSOP

    Analog Devices Inc./Maxim Integrated

    		 4,460 0.00
    RFQ
    		DS1305E

    Datasheet

         		- 20-TSSOP (0.173", 4.40mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Trickle-Charger 96B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 2V ~ 5.5V 2V ~ 5.5V 25.3µA ~ 81µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount - - 20-TSSOP
    DS1644-120

    DS1644-120

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 3,040 0.00
    RFQ
    		DS1644-120

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 4mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS14287

    DS14287

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 4,820 0.00
    RFQ
    		DS14287

    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 ~ 3.6V 0.5µA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
    DS17287-5

    DS17287-5

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 1,980 0.00
    RFQ
    		DS17287-5

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
    DS1742W-120

    DS1742W-120

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 2,439 0.00
    RFQ
    		DS1742W-120

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 2KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 2mA @ 3.3V 0°C ~ 70°C Through Hole - - 24-EDIP
    DS1315S-5

    DS1315S-5

    IC RTC PHANTOM CHIP PAR 16SOIC

    Analog Devices Inc./Maxim Integrated

    		 1,258 1.00
    RFQ
    		DS1315S-5

    Datasheet

         		- 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 1.3mA @ 5V 0°C ~ 70°C Surface Mount - - 16-SOIC
    DS1744-70

    DS1744-70

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 1,974 1.00
    RFQ
    		DS1744-70

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 4mA @ 5V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS1243Y-120

    DS1243Y-120

    IC RTC PHANTOM CHIP PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 1,096 1.00
    RFQ
    		DS1243Y-120

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 7mA @ 3.3V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS1644P-120

    DS1644P-120

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 2,557 0.00
    RFQ
    		DS1644P-120

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1687-5

    DS1687-5

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 4,498 1.00
    RFQ
    		DS1687-5

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube 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 0°C ~ 70°C Through Hole - - 24-EDIP
    DS1315EN-33

    DS1315EN-33

    IC RTC PHANTOM CHIP PAR 20TSSOP

    Analog Devices Inc./Maxim Integrated

    		 1,818 0.00
    RFQ
    		DS1315EN-33

    Datasheet

         		- 20-TSSOP (0.173", 4.40mm Width) Tube Obsolete Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 1.1mA @ 3.3V -40°C ~ 85°C Surface Mount - - 20-TSSOP
    DS1643-100

    DS1643-100

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 2,598 0.00
    RFQ
    		DS1643-100

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 5V 0°C ~ 70°C Through Hole - - 28-EDIP
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