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ELECTRONIC COMPONENTS

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
DS1248WP-120 Analog Devices Inc./Maxim Integrated

DS1248WP-120

IC RTC PHANTOM CHIP PAR 34PCM

Analog Devices Inc./Maxim Integrated

1,154 -
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 2.97V ~ 3.63V 3V 7mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
DS1646-120 Analog Devices Inc./Maxim Integrated

DS1646-120

IC RTC CLK/CALENDAR PAR 32EDIP

Analog Devices Inc./Maxim Integrated

4,423 -
Datasheet - 32-DIP Module (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 128KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole - - 32-EDIP
DS1251WP-120 Analog Devices Inc./Maxim Integrated

DS1251WP-120

IC RTC PHANTOM CHIP PAR 34PCM

Analog Devices Inc./Maxim Integrated

1,654 -
Datasheet - 34-PowerCap™ Module Tube Obsolete Not Verified Phantom Time Chip Leap Year, NVSRAM 512KB HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 7mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
DS1251YP-70 Analog Devices Inc./Maxim Integrated

DS1251YP-70

IC RTC PHANTOM CHIP PAR 34PCM

Analog Devices Inc./Maxim Integrated

320 -
Datasheet - 34-PowerCap™ Module Tube Obsolete Not Verified Phantom Time Chip Leap Year, NVSRAM 512KB 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
DS1644L-120 Analog Devices Inc./Maxim Integrated

DS1644L-120

DS1644 NV TIMEKEEPING RAM

Analog Devices Inc./Maxim Integrated

769 -
Datasheet - 28-DIP Module (0.600", 15.24mm) Bulk Active Not Verified Clock/Calendar EEPROM, Leap Year, NVSRAM, RAM 32KB HH:MM:SS (24 hr) YY-MM-DD - 4.5V ~ 5.5V - 4mA @ 5V 0°C ~ 70°C Through Hole - - 28-EDIP
DS1557WP-120IND Analog Devices Inc./Maxim Integrated

DS1557WP-120IND

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

1,186 -
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 2.97V ~ 3.63V 3V 4mA @ 3.3V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
DS1557WP-120 Analog Devices Inc./Maxim Integrated

DS1557WP-120

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

4,819 -
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 2.97V ~ 3.63V 3V 4mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
DS1670S+ Analog Devices Inc./Maxim Integrated

DS1670S+

IC RTC SYST CTRLR SER 20SOIC

Analog Devices Inc./Maxim Integrated

2,239 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2.97V ~ 3.63V 2.5V ~ 3.7V 100µA @ 3.3V 0°C ~ 70°C Surface Mount - - 20-SOIC
DS1673S-5+ Analog Devices Inc./Maxim Integrated

DS1673S-5+

IC RTC SYST CTRLR SER 20SOIC

Analog Devices Inc./Maxim Integrated

3,578 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Portable System Controller Alarm, Leap Year, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.7V 300µA @ 5V 0°C ~ 70°C Surface Mount - - 20-SOIC
DS1687-3IND+ Analog Devices Inc./Maxim Integrated

DS1687-3IND+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

1,139 -
Datasheet - 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V -40°C ~ 85°C Through Hole - - 24-EDIP
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