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DS17485S-5/T&R
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DS17485S-5/T&R

Product Overview

Category

The DS17485S-5/T&R belongs to the category of real-time clock (RTC) ICs.

Use

It is used for timekeeping and providing accurate date and time information in various electronic devices.

Characteristics

  • Low power consumption
  • Integrated crystal
  • Non-volatile memory for data retention
  • Serial interface for communication

Package

The DS17485S-5/T&R is available in a surface-mount package.

Essence

The essence of DS17485S-5/T&R lies in its ability to provide reliable timekeeping functionality with minimal power consumption.

Packaging/Quantity

It is typically packaged in reels and available in specified quantities per reel.

Specifications

  • Supply Voltage: 2.97V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Clock Accuracy: ±2 minutes per month at 25°C
  • Battery Backup Input for Continuous Timekeeping

Detailed Pin Configuration

The DS17485S-5/T&R features a standard pin configuration with pins for power supply, ground, serial interface, and crystal connection.

Functional Features

  • Real-time clock with calendar
  • Alarm functionality
  • Battery backup for continuous operation
  • Serial interface for easy integration with microcontrollers

Advantages

  • Low power consumption extends battery life
  • Integrated crystal simplifies design
  • Non-volatile memory ensures data retention during power loss

Disadvantages

  • Limited temperature range compared to some industrial applications
  • May require additional components for specific system integration

Working Principles

The DS17485S-5/T&R operates by utilizing an integrated crystal oscillator to maintain accurate timekeeping. It utilizes low power consumption techniques to ensure extended battery life and features non-volatile memory for data retention during power loss.

Detailed Application Field Plans

The DS17485S-5/T&R is suitable for a wide range of applications including: - Consumer electronics - Embedded systems - Industrial automation - Medical devices - Automotive systems

Detailed and Complete Alternative Models

  • DS3231: Offers higher accuracy and wider temperature range
  • MCP7940N: Provides additional alarm and timer features
  • PCF85263A: Suitable for ultra-low power applications

In conclusion, the DS17485S-5/T&R is a reliable real-time clock IC with low power consumption and integrated features, making it suitable for various electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi DS17485S-5/T&R dalam penyelesaian teknikal

  1. What is the operating voltage range of DS17485S-5/T&R?
    - The operating voltage range of DS17485S-5/T&R is 4.5V to 5.5V.

  2. What is the typical standby current of DS17485S-5/T&R?
    - The typical standby current of DS17485S-5/T&R is 1µA.

  3. Can DS17485S-5/T&R operate in extended temperature ranges?
    - Yes, DS17485S-5/T&R can operate in extended temperature ranges from -40°C to +85°C.

  4. What is the maximum clock frequency supported by DS17485S-5/T&R?
    - The maximum clock frequency supported by DS17485S-5/T&R is 2MHz.

  5. Does DS17485S-5/T&R support battery backup for non-volatile memory?
    - Yes, DS17485S-5/T&R supports battery backup for non-volatile memory.

  6. What is the package type of DS17485S-5/T&R?
    - DS17485S-5/T&R comes in a 28-pin SOIC package.

  7. Can DS17485S-5/T&R be used in automotive applications?
    - Yes, DS17485S-5/T&R is suitable for use in automotive applications.

  8. What is the typical data retention period of DS17485S-5/T&R?
    - The typical data retention period of DS17485S-5/T&R is 10 years.

  9. Is DS17485S-5/T&R RoHS compliant?
    - Yes, DS17485S-5/T&R is RoHS compliant.

  10. Does DS17485S-5/T&R have integrated power-fail control circuitry?
    - Yes, DS17485S-5/T&R features integrated power-fail control circuitry.