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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
    CDP68HC68T1M2Z96

    CDP68HC68T1M2Z96

    IC RTC CLK/CALENDAR SPI 16SOIC

    Renesas Electronics Corporation

    		 7,854
    RFQ
    		CDP68HC68T1M2Z96

    Datasheet

         		- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI 3V ~ 6V 2.2V ~ 6V 20µA ~ 500µA @ 5V -40°C ~ 85°C Surface Mount - - 16-SOIC
    DS1553P-100

    DS1553P-100

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 4,332
    RFQ
    		DS1553P-100

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1744P-70

    DS1744P-70

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 4,098
    RFQ
    		DS1744P-70

    Datasheet

         		- 34-PowerCap™ Module 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 3V 4mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1553P-70

    DS1553P-70

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 5,492
    RFQ
    		DS1553P-70

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1553WP-120

    DS1553WP-120

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 5,166
    RFQ
    		DS1553WP-120

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB 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
    DS1553P-70+

    DS1553P-70+

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 7,356
    RFQ
    		DS1553P-70+

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS17887-5IND

    DS17887-5IND

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 3,288
    RFQ
    		DS17887-5IND

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube Obsolete 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 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Through Hole - - 24-EDIP
    M48T02-200PC1

    M48T02-200PC1

    IC RTC CLK/CALENDAR PAR 24-DIP

    STMicroelectronics

    		 8,368
    RFQ
    		M48T02-200PC1

    Datasheet

         		Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
    DS1742W-150

    DS1742W-150

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 5,978
    RFQ
    		DS1742W-150

    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
    DS1742-100

    DS1742-100

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 2,784
    RFQ
    		DS1742-100

    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
    DS1643P-85+

    DS1643P-85+

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 9,988
    RFQ
    		DS1643P-85+

    Datasheet

         		- 34-PowerCap™ Module Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 8KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1642-70

    DS1642-70

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 7,586
    RFQ
    		DS1642-70

    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
    DS1642-70+

    DS1642-70+

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 5,972
    RFQ
    		DS1642-70+

    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
    DS1742-70

    DS1742-70

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 5,104
    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
    DS17887-3-IND

    DS17887-3-IND

    IC RTC CLK/CALENDAR PAR 24EDIP

    Analog Devices Inc./Maxim Integrated

    		 5,606
    RFQ
    		DS17887-3-IND

    Datasheet

         		- 24-DIP Module (0.600", 15.24mm) Tube Obsolete 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 Through Hole - - 24-EDIP
    DS1743W-150

    DS1743W-150

    IC RTC CLK/CALENDAR PAR 28EDIP

    Analog Devices Inc./Maxim Integrated

    		 2,714
    RFQ
    		DS1743W-150

    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 2.97V ~ 3.63V - 2mA @ 3.3V 0°C ~ 70°C Through Hole - - 28-EDIP
    DS1315S-33+T&R

    DS1315S-33+T&R

    IC RTC PHANTOM CHIP PAR 16SOIC

    Analog Devices Inc./Maxim Integrated

    		 2,752
    RFQ
    		DS1315S-33+T&R

    Datasheet

         		- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active 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 0°C ~ 70°C Surface Mount - - 16-SOIC
    DS1554WP-120

    DS1554WP-120

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 3,620
    RFQ
    		DS1554WP-120

    Datasheet

         		- 34-PowerCap™ Module Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 4mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1554P-70

    DS1554P-70

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 7,848
    RFQ
    		DS1554P-70

    Datasheet

         		- 34-PowerCap™ Module 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 3V 6mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
    DS1744P-70IND

    DS1744P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Analog Devices Inc./Maxim Integrated

    		 2,380
    RFQ
    		DS1744P-70IND

    Datasheet

         		- 34-PowerCap™ Module 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 3V 4mA @ 5V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
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