DS1302S

Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO8, 0.208 INCH, SOIC-8
4,489 有效庫存

DS1302S

有效庫存4,489

Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO8, 0.208 INCH, SOIC-8

  • 製造商零件號 # : DS1302S

  • 包裝/封裝: SOP8

  • 製造商: MAXIM

  • 產品分類 : Real Time Clocks

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DS1302S 數據表
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詳細說明

The DS1302S is a real-time clock (RTC) module produced by Maxim Integrated (now part of Analog Devices). often the Maxim DS1302, and additional components required for its operation. This module is designed for timekeeping and is often used in various electronic applications. 

主要特徵

  • DS1302 RTC Chip: The core of the DS1302S module is the DS1302 RTC chip, which provides timekeeping functions with a 32.768 kHz crystal oscillator.
  • Clock and Calendar: It can track time in hours, minutes, and seconds, as well as maintain date information including day, month, and year.
  • Serial Interface: Communication with the module is typically done using a simple serial interface, allowing external microcontrollers to read and set time and date values.
  • Low Power: It's designed to operate with low power consumption, making it suitable for battery-powered or low-power applications.
  • Backup Battery Support: Some DS1302S modules include a backup battery (e.g., a coin cell battery) to maintain timekeeping during power interruptions.
  • Wide Temperature Range: It can operate within a wide temperature range, suitable for various environmental conditions.
  • Compact Form Factor: DS1302S modules are often compact and come in a convenient package with pins for easy interfacing.

應用

The DS1302S RTC module is used in various applications where accurate timekeeping is required, including but not limited to:

  • Real-Time Clock in Embedded Systems: Used in various embedded systems and microcontroller-based projects to keep track of time and date.

  • Battery-Powered Devices: Suitable for applications requiring a low-power, battery-backed real-time clock, such as battery-operated clocks and data loggers.

  • Consumer Electronics: Integrated into various consumer electronics devices where accurate timekeeping is essential, such as digital watches and appliances.

  • Automotive Applications: Used in automotive applications for timekeeping functions.

Equivalent Parts

  • DS1302
  • DS1302Z
  • DS1302N

Replaceable Parts

  • DS3231
  • DS3232
  • DS1337

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 Name DS1302S Product Type ! Real-Time Clock (RTC) IC
Manufacturer Maxim Integrated Clock Frequency 0 to 5MHz
Supply Voltage 2.0V to 5.5V Timekeeping Current Less than 300nA at 2.0V
Operating Temperature Range ! -40°C to +85°C Package / Case SOIC-8

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 DS1302S PDF 下載

常見問題解答

What is DS1302S?

The DS1302S is a real-time clock (RTC) module designed by Maxim Integrated. It is commonly used in embedded systems, electronic devices, and timekeeping applications to provide accurate timekeeping and calendar functions.

How Does DS1302S Work?

The DS1302S operates by using an external 32.768 kHz crystal oscillator to keep track of time. It communicates with a microcontroller or other digital system through a simple serial interface, allowing the transfer of time and date information. The module includes registers for storing time, date, and control settings, making it easy to integrate into various applications.

How Many Pins does DS1302S have and What are the Functions of the Pinout Configuration?

The DS1302S typically comes in an 8-pin DIP (Dual Inline Package) or SOP (Small Outline Package). The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • CLK: Clock input/output pin for the crystal oscillator.
  • DAT: Bidirectional data pin for communication.
  • RST: Reset input for initialization.
  • CE: Chip enable pin for activating the module.

What are the Pros and Cons of DS1302S?

Pros:

  • Accurate Timekeeping: Provides reliable timekeeping functionality for various applications.
  • Low Power Consumption: Operates with low power, suitable for battery-powered devices.
  • Simple Interface: Communicates with microcontrollers through a straightforward serial interface.
  • Compact Size: Available in small package options for space-constrained designs.

Cons:

  • Limited Features: May not include advanced functionalities compared to more complex RTC modules.
  • Crystal Oscillator Dependency: Relies on an external crystal oscillator for timekeeping accuracy.
  • Programming Required: Requires configuration and initialization for proper operation.

Are There Any Equivalents/Alternatives to DS1302S for Recommendation?

  • The DS3231 from Maxim Integrated is a similar real-time clock module with additional features like temperature compensation.
  • Alternatives to the DS1302S include the PCF8563 from NXP Semiconductors and the MCP7940N from Microchip Technology.

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