Meixin Integrated
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DS1673E-3
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DS1673E-3

Product Overview

Belongs to: Integrated Circuits (ICs)
Category: Real-Time Clocks (RTC)
Use: DS1673E-3 is a real-time clock/calendar with an alarm function, designed for use in various electronic devices.
Characteristics: Low-power consumption, high accuracy, and small package size.
Package: 8-pin SOIC (Small Outline Integrated Circuit)
Essence: The DS1673E-3 is essential for timekeeping and alarm functions in electronic devices.
Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Timekeeping Current: 400nA (typical)
  • Alarm Function: Programmable on a daily/weekly basis
  • Temperature Range: -40°C to +85°C
  • Accuracy: ±2 minutes per month at 25°C

Detailed Pin Configuration

  1. VCC
  2. GND
  3. SDA (Serial Data)
  4. SCL (Serial Clock)
  5. INT (Interrupt Output)
  6. SQW/OUT (Square Wave/Output)
  7. NC (No Connection)
  8. RST (Reset)

Functional Features

  • Real-time clock/calendar with leap year compensation up to the year 2100
  • Two programmable time-of-day alarms
  • I²C interface for communication with the microcontroller
  • Square wave output signal for system timing

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - High accuracy ensures reliable timekeeping - Small package size saves board space

Disadvantages: - Limited temperature range compared to some alternatives - May require additional components for certain applications

Working Principles

The DS1673E-3 utilizes an internal oscillator and a counter to keep track of time. It communicates with the microcontroller through the I²C interface to set and read the time, as well as configure the alarm settings. The low-power design allows it to operate for extended periods using a small power source.

Detailed Application Field Plans

The DS1673E-3 is suitable for a wide range of applications including: - Portable consumer electronics - Medical devices - Industrial automation systems - Automotive dashboard clocks - Smart home devices

Detailed and Complete Alternative Models

Some alternative models to DS1673E-3 include: - DS3231: Offers higher temperature range and improved accuracy - MCP79410: Provides battery backup and additional memory - PCF8563: Low-cost option with basic timekeeping functionality

In conclusion, the DS1673E-3 real-time clock/calendar IC offers reliable timekeeping and alarm functions in a compact and efficient package, making it suitable for various electronic applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van DS1673E-3 in technische oplossingen

  1. What is DS1673E-3?

    • DS1673E-3 is a real-time clock (RTC) with an integrated crystal and temperature-compensated circuit.

  2. How does DS1673E-3 help in technical solutions?

    • It provides accurate timekeeping, calendar functions, and temperature compensation, making it suitable for various applications requiring precise timing.

  3. What is the operating voltage range of DS1673E-3?

    • The operating voltage range is typically 4.5V to 5.5V.

  4. Can DS1673E-3 operate in extreme temperatures?

    • Yes, it is designed to operate over a wide temperature range, typically from -40°C to +85°C.

  5. Does DS1673E-3 have battery backup?

    • Yes, it has a built-in power-fail detection circuitry and battery backup to ensure continuous operation during power outages.

  6. What communication interface does DS1673E-3 support?

    • It supports I2C communication interface, allowing easy integration with microcontrollers and other digital systems.

  7. Is DS1673E-3 suitable for portable devices?

    • Yes, its low power consumption and small form factor make it suitable for portable and battery-powered devices.

  8. Can DS1673E-3 be used in automotive applications?

    • Yes, it is designed to meet the stringent requirements of automotive applications, including temperature and vibration resistance.

  9. Does DS1673E-3 have alarm capabilities?

    • Yes, it has programmable alarms that can trigger interrupts or other actions in the system.

  10. Is DS1673E-3 RoHS compliant?

    • Yes, it is RoHS compliant, ensuring environmental friendliness and regulatory compliance.