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DS1302SN-16/T&R
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DS1302SN-16/T&R

Product Overview

The DS1302SN-16/T&R is a digital real-time clock (RTC) chip manufactured by Maxim Integrated. It falls under the category of integrated circuits and is commonly used in electronic devices that require accurate timekeeping. The DS1302SN-16/T&R is known for its low power consumption, compact package, and reliable performance. It is typically available in tape and reel packaging with a specific quantity per reel.

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Timekeeping Current: Less than 300nA at 3.0V and 25°C
  • Serial Interface
  • 31 x 8 RAM for User Data
  • Simple 3-Wire Interface

Detailed Pin Configuration

The DS1302SN-16/T&R features a total of 8 pins: 1. VCC 2. GND 3. CLK 4. DAT 5. RST 6. IO 7. CE 8. N/C

Functional Features

  • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
  • Battery Backup Input for Continuous Timekeeping
  • Trickle Charger Maintains Battery Backup
  • Serial I/O for Minimum Pin Count
  • 2.0V to 5.5V Operation

Advantages and Disadvantages

Advantages

  • Low Power Consumption
  • Compact Package
  • Easy Integration with Microcontrollers
  • Accurate Timekeeping

Disadvantages

  • Limited RAM for User Data Storage
  • Requires External Crystal Oscillator

Working Principles

The DS1302SN-16/T&R operates by counting seconds, minutes, hours, and other time-related parameters using an internal oscillator. It utilizes a simple 3-wire interface for communication with external microcontrollers or host systems. The battery backup input ensures continuous timekeeping even in the absence of primary power.

Detailed Application Field Plans

The DS1302SN-16/T&R is widely used in various applications such as: - Digital Clocks - Electronic Timers - Data Loggers - Embedded Systems - IoT Devices

Detailed and Complete Alternative Models

Some alternative models to the DS1302SN-16/T&R include: - DS3231 - PCF8563 - MCP7940N

In conclusion, the DS1302SN-16/T&R is a versatile RTC chip with reliable timekeeping capabilities, making it suitable for a wide range of electronic applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi DS1302SN-16/T&R dalam penyelesaian teknikal

  1. What is the operating voltage range of DS1302SN-16/T&R?
    - The operating voltage range of DS1302SN-16/T&R is 2.0V to 5.5V.

  2. How accurate is the timekeeping of DS1302SN-16/T&R?
    - DS1302SN-16/T&R has a real-time clock accuracy of ±2 minutes per month at 25°C.

  3. Can DS1302SN-16/T&R operate in extreme temperatures?
    - Yes, DS1302SN-16/T&R can operate in a temperature range of -40°C to +85°C.

  4. What is the maximum data retention period of DS1302SN-16/T&R?
    - DS1302SN-16/T&R has a minimum data retention period of 10 years.

  5. Does DS1302SN-16/T&R support battery backup?
    - Yes, DS1302SN-16/T&R supports battery backup for continuous timekeeping.

  6. What is the communication interface used by DS1302SN-16/T&R?
    - DS1302SN-16/T&R uses a simple 3-wire interface for communication.

  7. Can DS1302SN-16/T&R be used in low-power applications?
    - Yes, DS1302SN-16/T&R has a low power consumption, making it suitable for low-power applications.

  8. Is DS1302SN-16/T&R compatible with microcontrollers?
    - Yes, DS1302SN-16/T&R is compatible with most microcontrollers through its standard interface.

  9. What is the typical current consumption of DS1302SN-16/T&R?
    - The typical current consumption of DS1302SN-16/T&R is 300nA at 3V and 400nA at 5V.

  10. Can DS1302SN-16/T&R be used in battery-powered devices?
    - Yes, DS1302SN-16/T&R's low power consumption makes it suitable for use in battery-powered devices.