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DS1216E

Ideal solution for managing ROM in SmartWatch devices

Inventory:7,343

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Overview of DS1216E

The DS1216E is a non-volatile SRAM (NVSRAM) module with integrated battery backup. It combines the benefits of both RAM and non-volatile memory, providing data storage even in the event of power loss. The DS1216E is designed for use in applications where reliable data storage is critical.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Power supply
  • VSS: Ground
  • NC: No connection
  • RST: Reset signal
  • W: Write enable control signal
  • OE: Output enable control signal
  • A0-A14: Address inputs
  • DQ0-DQ7: Data inputs/outputs
  • CE: Chip enable control signal
  • WP: Write protect control signal

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the DS1216E NVSRAM module for a visual representation.

Key Features

  • Non-Volatile Storage: The DS1216E provides non-volatile data storage using integrated battery backup.
  • SRAM Functionality: In addition to non-volatile storage, the DS1216E functions as a standard SRAM, allowing for read and write operations like a traditional RAM module.
  • Reliable Data Retention: The integrated battery backup ensures data retention even during power loss or system shutdown.
  • Wide Operating Voltage Range: The DS1216E can operate within a wide voltage range, making it suitable for various applications.
  • High-Speed Access: The DS1216E offers fast access times, enabling efficient data retrieval and storage.
  • Easy Integration: The DS1216E is designed for easy integration into existing systems, with standard pin configurations and compatible interfaces.

Note: For detailed technical specifications, please refer to the DS1216E datasheet.

Application

  • Embedded Systems: The DS1216E is commonly used in embedded systems that require reliable data storage, such as industrial control systems, automotive electronics, and medical devices.
  • Data Logging: This NVSRAM module is suitable for applications that involve data logging and recordkeeping, ensuring data integrity and retention.
  • Data Backup: The DS1216E can be used as a backup memory module in systems where data loss is not acceptable, such as critical infrastructure and financial systems.

Functionality

The DS1216E combines the benefits of non-volatile memory and SRAM functionality. It provides reliable and secure data storage, ensuring data integrity even in the event of power loss or system shutdown.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the power supply voltage and VSS (Pin 2) to ground.
  • Write Operations: Use the write enable control signal (W) to enable or disable write operations to the DS1216E.
  • Output Operations: Use the output enable control signal (OE) to enable or disable output operations from the DS1216E.
  • Addressing: Apply the appropriate address inputs (A0-A14) to select the desired memory location.
  • Data Operations: Use the data inputs/outputs (DQ0-DQ7) to perform read or write operations to the DS1216E.
  • Chip Enable: Control the chip enable control signal (CE) to enable or disable the DS1216E for data access.
  • Write Protect: Use the write protect control signal (WP) to enable or disable write protection for the DS1216E.

Frequently Asked Questions

Q: Is the DS1216E compatible with voltage levels other than the specified operating range?
A: The DS1216E is designed to operate within a specific voltage range as stated in the datasheet. Operating the module outside of this range may result in unreliable operation or damage to the device.

Q: How long does the battery backup last in the DS1216E?
A: The battery backup duration depends on various factors like battery capacity, ambient temperature, and usage patterns. It is recommended to refer to the specific datasheet or contact the manufacturer for detailed information about battery backup duration.

Equivalent

For similar functionalities, consider these alternatives to the DS1216E:

  • DS1244: This is another NVSRAM module from Maxim Integrated, offering similar non-volatile storage capabilities with different specifications or additional features.
  • FM18W08-SG: This is an FRAM (Ferroelectric Random-Access Memory) module from Cypress Semiconductor, providing non-volatile storage and high-speed read/write operations.
  • M48Z08-100PC1: This is an SRAM module with integrated battery backup from STMicroelectronics, offering non-volatile storage and reliable data retention.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Memory Controllers RoHS N
Memory Type Smartwatch ROM Battery Backup Switching Yes
Supply Voltage - Max 5.5 V Supply Voltage - Min 4.5 V
Operating Supply Current 5 mA Minimum Operating Temperature 0 C
Maximum Operating Temperature + 70 C Mounting Style Through Hole
Package / Case DIP-28 Brand Analog Devices / Maxim Integrated
Description/Function Watch function remains transparent to the RAM Height 10.67 mm
Length 35.31 mm Lithium Battery Monitor Yes
Number of Memory Channels 1 Operating Supply Voltage 5 V
Product Type Memory Controllers Series DS1216
Factory Pack Quantity 13 Subcategory Memory & Data Storage
Type SmartWatch ROM Width 17.53 mm
Part # Aliases DS1216 90-1216E-000 Unit Weight 0.147724 oz

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DS1216E

Ideal solution for managing ROM in SmartWatch devices

Inventory:

7,343