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DS14285Q

Part No DS14285Q
Manufacturer Maxim Integrated
Catalog Clock/Timing - Real Time Clocks
Description IC RTC CLK/CALENDAR PAR 28-PLCC / Real Time Clock Multiplexed 114byte Clock/Calendar/NV SRAM Control 28-Pin PLCC
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Categories Integrated Circuits (ICs)
Manufacturer Maxim Integrated
Packaging Tube
Part Status Obsolete(EOL)
Type Clock/Calendar
Features Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
Memory Size 114B
Date Format YY-MM-DD-dd
Interface Parallel
Operating Supply Voltage 4.5 V ~ 5.5 V
Voltage - Supply, Battery 2.5 V ~ 3.6 V
Current - Timekeeping (Maximum) 0.5μA @ 4.5V ~ 5.5V
Operating Temperature Range 0°C ~ 70°C
Mounting SMD
Package 28-LCC (J-Lead)
Manufacturer Package 28-PLCC (11.51x11.51)
Win Source Part Number 773017-DS14285Q
Popularity Medium
Supply and Demand Status Limited
Family Name DS14285
Introduction Date August 02, 1999
ECCN EAR99
Estimated EOL Date Obsolete / End of life
Ultra Librarian 3D Model Ultra Librarian DS14285Q CAD Model

Description

The Maxim Integrated DS14285Q is a versatile, full-featured real-time clock (RTC) module designed to provide precise time and date information for a wide range of applications. This high-performance RTC is equipped with an integrated quartz crystal and battery backup, ensuring that timekeeping continues even in the event of a power failure.

Key Features

  • Integrated Power-Fail Detect: The DS14285Q includes a built-in power-fail detect circuit which signals when the VCC supply is below a critical threshold, allowing for safe data storage or system shutdown.
  • Automatic Leap Year Compensation: With its intelligent calendar function, the device automatically adjusts for leap years up to the year 2100, ensuring accuracy in date tracking.
  • Low Power Consumption: Designed for energy efficiency, the DS14285Q operates at a very low power consumption level, making it ideal for battery-powered applications.
  • RAM Clear Function: It features a RAM clear function that can be used to reset the 114 bytes of general-purpose RAM during power-up.
  • Multiple Time Formats: The device supports both 24-hour and 12-hour formats with an AM/PM indicator, catering to different user preferences and international standards.

Applications

The DS14285Q is suitable for a broad range of applications including:

  • Embedded systems
  • Utility meters
  • Point of Sale (POS) terminals
  • Industrial timekeeping
  • Medical devices
  • Security systems

Technical Specifications

Parameter Value
Supply Voltage (VCC) 4.5V to 5.5V
Operating Temperature 0°C to +70°C
Interface Type Serial
Package EDIP-24

With its robust feature set and reliable performance, the Maxim Integrated DS14285Q Real-Time Clock is an excellent choice for designers seeking a high-quality timekeeping solution.

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