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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
    DS1556P-70

    DS1556P-70

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 8,566
    RFQ
    		DS1556P-70

    Datasheet

         		- 34-PowerCap™ Module Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 6mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1746P-70IND

    DS1746P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 7,490
    RFQ
    		DS1746P-70IND

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
    DS1746WP-120IND

    DS1746WP-120IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 9,752
    RFQ
    		DS1746WP-120IND

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 2mA @ 3.3V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
    DS1742-70+

    DS1742-70+

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 8,294
    RFQ
    		DS1742-70+

    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 4.5V ~ 5.5V - 3mA @ 5V 0°C ~ 70°C Through Hole - - 24-EDIP
    DS1644-120+

    DS1644-120+

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 2,214
    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
    DS1554-70IND

    DS1554-70IND

    IC RTC CLK/CALENDAR PAR 32EDIP

    Analog Devices Inc./Maxim Integrated

    		 8,194
    RFQ
    		DS1554-70IND

    Datasheet

         		- 32-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 6mA @ 5V -40°C ~ 85°C Through Hole - - 32-EDIP
    DS1743-70+

    DS1743-70+

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 8,324
    RFQ
    		DS1743-70+

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 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
    DS1647P-120

    DS1647P-120

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 7,036
    RFQ
    		DS1647P-120

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 512KB 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
    DS1556-70

    DS1556-70

    IC RTC CLK/CALENDAR PAR 32EDIP

    Analog Devices Inc./Maxim Integrated

    		 8,212
    RFQ
    		DS1556-70

    Datasheet

         		- 32-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 6mA @ 5V 0°C ~ 70°C Through Hole - - 32-EDIP
    DS1244W-120

    DS1244W-120

    IC RTC PHANTOM CHIP PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 9,954
    RFQ
    		DS1244W-120

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Phantom Time Chip Leap Year, NVSRAM 32KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 7mA @ 3.3V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS1543-70

    DS1543-70

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 7,130
    RFQ
    		DS1543-70

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer 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
    DS1543W-120

    DS1543W-120

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 3,794
    RFQ
    		DS1543W-120

    Datasheet

         		- 28-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 2mA @ 3.3V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS1556P-70IND

    DS1556P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 3,580
    RFQ
    		DS1556P-70IND

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 6mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1248YP-70

    DS1248YP-70

    IC RTC PHANTOM CHIP PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 4,516
    RFQ
    		DS1248YP-70

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Phantom Time Chip NVSRAM 128KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 10mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS17885SN-3+

    DS17885SN-3+

    IC RTC CLK/CALENDAR PAR 24SOIC

    Analog Devices Inc./Maxim Integrated

    		 9,838
    RFQ
    		DS17885SN-3+

    Datasheet

         		- 24-SOIC (0.295", 7.50mm Width) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V -40°C ~ 85°C Surface Mount - - 24-SOIC
    DS1557P-70

    DS1557P-70

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 9,650
    RFQ
    		DS1557P-70

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 6mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1747WP-120IND

    DS1747WP-120IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 8,736
    RFQ
    		DS1747WP-120IND

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 2mA @ 3.3V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
    DS1747P-70IND

    DS1747P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 4,732
    RFQ
    		DS1747P-70IND

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
    DS1746WP-120

    DS1746WP-120

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 3,454
    RFQ
    		DS1746WP-120

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 2mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1248W-120

    DS1248W-120

    IC RTC PHANTOM CHIP PAR 32EDIP

    Analog Devices Inc./Maxim Integrated

    		 9,070
    RFQ
    		DS1248W-120

    Datasheet

         		- 32-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Phantom Time Chip NVSRAM 128KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 7mA @ 3.3V 0°C ~ 70°C Through Hole - - 32-EDIP
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