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DS1221S

DS1221S

Manufacturer No:

DS1221S

Description:

IC CTRLR/DECODER 4BIT 16-SOIC

Datasheet:

Datasheet

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DS1221S Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.5V ~ 5.5V
  • Controller Type
    Nonvolatile RAM
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The DS1221S is a specific integrated circuit chip manufactured by Maxim Integrated. It is a nonvolatile static RAM (NVSRAM) chip with a battery backup feature. Here are some advantages and application scenarios of the DS1221S:Advantages: 1. Nonvolatile Memory: The DS1221S combines the benefits of both RAM and nonvolatile memory. It retains data even when power is lost, making it suitable for applications where data integrity is crucial. 2. Battery Backup: The chip has an integrated lithium energy source that powers the memory during power failures. This ensures that data remains intact and can be accessed immediately upon power restoration. 3. High-Speed Access: The DS1221S offers fast access times, allowing for quick read and write operations. This makes it suitable for applications that require frequent and rapid data access. 4. Easy Integration: The chip is designed to be easily integrated into existing systems, with a simple interface and compatibility with standard microprocessors.Application Scenarios: 1. Critical Data Storage: The DS1221S is commonly used in applications where data integrity is essential, such as industrial control systems, medical devices, and aerospace systems. It ensures that critical data is preserved even during power outages. 2. Real-Time Clocks: The chip's battery backup feature makes it suitable for applications that require accurate timekeeping, such as real-time clocks in embedded systems or electronic devices. 3. Data Logging: The DS1221S can be used in data logging applications where continuous data acquisition is required. It allows for reliable storage of collected data, even in the event of power disruptions. 4. System Configuration Storage: The chip can be used to store system configuration settings, such as BIOS settings in computers or parameter settings in industrial control systems. The nonvolatile nature of the memory ensures that these settings are retained across power cycles.Overall, the DS1221S offers the advantages of nonvolatile memory, battery backup, high-speed access, and easy integration, making it suitable for various applications that require reliable data storage and retention.
DS1221S Relevant information