DS1643-100

Maxim DS1643-100 NVRAM
4,639 有效庫存

DS1643-100

有效庫存4,639

Maxim DS1643-100 NVRAM

  • 製造商零件號 # : DS1643-100

  • 包裝/封裝: EDIP-28

  • 製造商: Analog Devices Inc.

  • 產品分類 : Real Time Clocks

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DS1643-100 數據表
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詳細說明

DS1643-100+ is a real-time clock (RTC) chip with 128 bytes of non-volatile RAM used for timekeeping and data storage in electronic devices. It features a lithium coin-cell battery backup and operates over a wide temperature range. The chip provides accurate timekeeping and timestamp functionality for various applications.

主要特徵

  • Surface-mount DIP for space-saving design
  • Power-down mode for low power consumption

應用

  • Perfect for data logging
  • Essential for embedded systems
  • Great for industrial automation

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 Mounting Style Through Hole
RTC Bus Interface Parallel Time Format ! HH:MM:SS
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 DS1643 Factory Pack Quantity 12
Subcategory Clock & Timer ICs Part # Aliases DS1643

常見問題解答

What is DS1643-100?

The DS1643-100 is a non-volatile static RAM (NVSRAM) module designed by Maxim Integrated. It combines the features of a real-time clock (RTC) and a battery-backed SRAM in a single integrated circuit. The DS1643-100 is ideal for applications that require both timekeeping functions and non-volatile memory storage.

How Does DS1643-100 Work?

The DS1643-100 integrates a battery-backed SRAM to store critical data when power is lost, ensuring data integrity and reliability. It also includes an RTC module that tracks and maintains accurate time information even when the main power source is disconnected. The combination of SRAM and RTC features makes the DS1643-100 suitable for applications where reliable data storage and timekeeping are essential.

How Many Pins does DS1643-100 have and What are the Functions of the Pinout Configuration?

The DS1643-100 is housed in a 28-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • CE: Chip Enable pin.
  • WE: Write Enable pin.
  • OE: Output Enable pin.
  • DS, DQ0-DQ7: Data input/output pins.
  • SCLK: Serial Clock pin.
  • RST: Reset pin.
  • X1, X2: Crystal connections for the RTC clock.

What are the Pros and Cons of DS1643-100?

Pros:

  • Integrated Functionality: Combines NVSRAM and RTC in a single device for convenience.
  • Non-Volatile Storage: Ensures data retention even during power loss.
  • Accurate Timekeeping: Includes an RTC module for precise time tracking.
  • Reliability: Provides data integrity and reliability for critical applications.
  • Easy Integration: Simple pinout configuration for easy system integration.

Cons:

  • Cost: The combination of NVSRAM and RTC functionalities may lead to a higher overall cost.
  • Complexity: Requires proper handling and configuration for optimal performance.
  • Battery Dependency: Relies on a battery for data retention in the SRAM during power-off situations.

Are There Any Equivalents/Alternatives to DS1643-100 for Recommendation?

  • The DS1245AB from Maxim Integrated is a similar NVSRAM module with RTC functionality.
  • Alternatives to the DS1643-100 include the M48T59Y-70PC1 from STMicroelectronics and the FM1808 from Cypress Semiconductor.

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