DS1243Y+120

SRAM with nonvolatile memory, 28 pins, 5V supply, 5pF load, and 2mA minimum
7,246 有效庫存

DS1243Y+120

有效庫存7,246

SRAM with nonvolatile memory, 28 pins, 5V supply, 5pF load, and 2mA minimum

  • 製造商零件號 # : DS1243Y+120

  • 包裝/封裝: EDIP-28

  • 製造商: Analog Devices

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DS1243Y+120 數據表
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詳細說明

The DS1243Y-120+ is a high-performance NV SRAM with Phantom Clock functionality, making it an ideal solution for applications requiring both nonvolatile data storage and accurate timekeeping. The integrated lithium energy source and control circuitry ensure data integrity by automatically activating write protection in case of a power outage. The Phantom Clock feature provides precise timekeeping down to hundredths of seconds, along with comprehensive date and calendar functions that adjust for leap years and varying month lengths. Users can easily switch between 12-hour and 24-hour time formats, making this product versatile and adaptable to different needs

主要特徵

  • Fast and Reliable Network Connectivity Options
  • Enhanced User Experience through Advanced UI Design
  • Powerful Processing Capabilities for Complex Tasks

應用

  • DS1243Y-120+ is a must-have
  • 10-year data retention
  • Used in various systems

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! Real Time Clock RoHS Details
Mounting Style Through Hole Package / Case EDIP-28
RTC Bus Interface Parallel Date Format ! YY-MM-DD-dd
Time Format ! HH:MM:SS:hh Battery Backup Switching Integrated Battery
RTC Memory Size 8 kB Supply Voltage - Max 5.5 V
Supply Voltage - Min 4.5 V Minimum Operating Temperature 0 C
Maximum Operating Temperature ! + 70 C Brand Analog Devices / Maxim Integrated
Function Calendar, Clock, NV Timekeeping RAM Product Type ! Real Time Clocks
Series DS1243Y Factory Pack Quantity 12
Subcategory Clock & Timer ICs Part # Aliases DS1243Y 90-1243Y+120
Unit Weight 0.676802 oz

常見問題解答

What is DS1243Y+120?

The DS1243Y+120 is a 5V, 28-pin, non-volatile, static RAM (NVSRAM) module designed by Maxim Integrated. It combines the high performance of a fast static RAM with the non-volatility of an EEPROM, making it suitable for applications requiring data retention during power loss, such as industrial automation, data logging, and embedded systems.

How Does DS1243Y+120 Work?

The DS1243Y+120 operates as a non-volatile memory module by utilizing a combination of static RAM and EEPROM technologies. It offers fast read and write access like a typical static RAM, while also providing the ability to retain data without the need for a backup power source, similar to an EEPROM. This makes it ideal for applications that require reliable data storage and recovery in the event of power interruptions.

How Many Pins does DS1243Y+120 have and What are the Functions of the Pinout Configuration?

The DS1243Y+120 is housed in a 28-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • CE: Chip enable pin for access control.
  • WE: Write enable pin for write operations.
  • OE: Output enable pin for read operations.
  • DS0-DS7: Data input/output pins (D0 to D7).
  • ADR0-ADR13: Address input pins for memory addressing.
  • NC: No connect pin.
  • RTC-NC: Real-time clock, no connect pin.

What are the Pros and Cons of DS1243Y+120?

Pros:

  • Non-Volatile Data Storage: Retains data without the need for a backup power source, ensuring data integrity during power loss.
  • Fast Access Time: Provides fast read and write access similar to a standard static RAM module.
  • Reliability: Offers reliable data storage and retrieval for critical applications.
  • High Data Retention: Maintains data integrity for an extended period without power.

Cons:

  • Cost: Non-volatile memory modules may have a higher cost compared to standard volatile RAM.
  • Complexity: Requires proper handling of control signals for read and write operations.
  • Pin Count: The 28-pin package may require more board space compared to lower pin count memory devices.

Are There Any Equivalents/Alternatives to DS1243Y+120 for Recommendation?

  • The DS1243AB from Maxim Integrated is a similar NVSRAM module offering non-volatile data storage.
  • Alternatives to the DS1243Y+120 include the FM1608 from Cypress Semiconductor and the M48Z02 from STMicroelectronics.

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