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DS12R887-33

DS12R887-33

Product Overview

Category

The DS12R887-33 belongs to the category of real-time clock (RTC) integrated circuits.

Use

It is used to keep track of time and date in electronic devices, providing accurate timekeeping functionality.

Characteristics

  • Low power consumption
  • High accuracy
  • Integrated crystal oscillator
  • Battery backup for continuous operation

Package

The DS12R887-33 is available in a compact and durable package suitable for surface mount applications.

Essence

The essence of DS12R887-33 lies in its ability to provide reliable timekeeping functionality for various electronic devices.

Packaging/Quantity

The DS12R887-33 is typically packaged in reels or trays and is available in varying quantities to meet different production needs.

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Timekeeping Accuracy: ±2 minutes per month at 25°C
  • Operating Temperature Range: -40°C to +85°C
  • Battery Backup Voltage: 2.0V to 5.5V
  • Package Type: SOIC, TSSOP

Detailed Pin Configuration

The DS12R887-33 features a specific pin configuration that includes pins for power supply, ground, clock input/output, serial interface, and control signals. The detailed pinout can be found in the product datasheet.

Functional Features

  • Real-time clock with calendar
  • Alarm functions
  • Battery backup for continuous operation
  • Programmable square wave output

Advantages and Disadvantages

Advantages

  • Low power consumption
  • High accuracy timekeeping
  • Integrated crystal oscillator for simplified design
  • Wide operating voltage range

Disadvantages

  • Limited temperature range compared to some alternatives
  • May require external components for certain applications

Working Principles

The DS12R887-33 utilizes an internal oscillator and counter to keep track of time and date. It also incorporates a battery backup system to ensure continuous operation even in the absence of primary power.

Detailed Application Field Plans

The DS12R887-33 is commonly used in various electronic devices such as: - Embedded systems - Consumer electronics - Industrial automation equipment - Automotive applications

Detailed and Complete Alternative Models

Some alternative models to DS12R887-33 include: - DS3231 - MCP79410 - PCF8563 - RV-8803

In conclusion, the DS12R887-33 is a versatile real-time clock integrated circuit that offers high accuracy timekeeping and low power consumption, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de DS12R887-33 en soluciones técnicas

  1. What is DS12R887-33?

    • The DS12R887-33 is a real-time clock (RTC) IC with an integrated trickle charger for a rechargeable battery.

  2. What are the key features of DS12R887-33?

    • The key features include a 32.768kHz crystal oscillator, battery-backed SRAM, alarm interrupts, and a programmable square wave output.

  3. How is DS12R887-33 typically used in technical solutions?

    • It is commonly used to provide accurate timekeeping and timestamp functionality in various electronic devices, such as industrial control systems, data loggers, and embedded systems.

  4. What is the operating voltage range of DS12R887-33?

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

  5. Can DS12R887-33 operate on a backup battery?

    • Yes, it has a built-in trickle charger for a rechargeable battery, allowing it to operate on backup power when the main power source is unavailable.

  6. What is the communication interface of DS12R887-33?

    • It typically uses an I2C interface for communication with the host microcontroller.

  7. Does DS12R887-33 have temperature compensation for the oscillator?

    • Yes, it includes temperature compensation to ensure accurate timekeeping across varying temperatures.

  8. Can DS12R887-33 generate periodic interrupts?

    • Yes, it can be programmed to generate periodic interrupts at specified intervals for time-sensitive applications.

  9. Is DS12R887-33 compatible with low-power designs?

    • Yes, it is designed to operate with low power consumption, making it suitable for battery-powered or energy-efficient devices.

  10. Are there any application notes or reference designs available for DS12R887-33?

    • Yes, the manufacturer provides application notes and reference designs to assist engineers in integrating DS12R887-33 into their technical solutions.