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DS1644-120

DS1644-120

Manufacturer No:

DS1644-120

Description:

IC RTC CLK/CALENDAR PAR 28EDIP

Datasheet:

Datasheet

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DS1644-120 Specifications

  • Type
    Parameter
  • Mounting Type
    Through Hole
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.5V ~ 5.5V
  • Interface
    Parallel
  • Date Format
    YY-MM-DD-dd
  • Time Format
    HH:MM:SS (24 hr)
  • Type
    Clock/Calendar
  • DigiKey Programmable
    Not Verified
  • Product Status
    Obsolete
  • Packaging
    Tube
  • Series
    -
The DS1644-120 is a specific model of integrated circuit chip manufactured by Maxim Integrated. It is a nonvolatile static RAM (NVSRAM) chip with a capacity of 16 kilobits (2 kilobytes) and operates at a voltage of 5 volts. Here are some advantages and application scenarios of the DS1644-120:Advantages: 1. Nonvolatile Memory: The DS1644-120 combines the benefits of both RAM and nonvolatile memory. It retains data even when power is lost, similar to a flash memory, but offers faster read and write access like a traditional RAM.2. Battery Backup: The chip includes an integrated lithium energy source that powers the memory when the main power supply is disconnected. This ensures data integrity during power outages or system failures.3. High Reliability: The DS1644-120 is designed for high reliability applications, making it suitable for critical systems where data integrity is crucial. It has a minimum data retention period of 10 years and can withstand extreme environmental conditions.4. Easy Integration: The chip is designed to be easily integrated into existing systems. It uses a standard 28-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package, making it compatible with a wide range of circuit boards.Application Scenarios: 1. Real-Time Clock (RTC): The DS1644-120 can be used as a backup memory for RTC applications. It ensures that the clock and calendar data are preserved even during power interruptions, allowing accurate timekeeping in devices like industrial automation systems, medical equipment, or data loggers.2. Critical Data Storage: The nonvolatile nature of the DS1644-120 makes it suitable for storing critical data that needs to be preserved in case of power loss. It can be used in applications such as industrial control systems, aerospace systems, or communication equipment where data integrity is essential.3. Embedded Systems: The chip can be used in embedded systems that require reliable and nonvolatile memory. It can store configuration data, calibration values, or firmware updates, ensuring that the system retains its settings even after power cycles.4. Automotive Electronics: The DS1644-120's high reliability and ability to withstand extreme temperatures make it suitable for automotive applications. It can be used in electronic control units (ECUs), instrument clusters, or infotainment systems to store critical data or configuration settings.Overall, the DS1644-120 is a versatile NVSRAM chip that offers the advantages of nonvolatile memory and high reliability. Its applications range from real-time clocks to critical data storage in various industries.
DS1644-120 Relevant information