DS3234S

DS3234S# comes in a SOIC-20 package
5,358 有效庫存

DS3234S

有效庫存5,358

DS3234S# comes in a SOIC-20 package

  • 製造商零件號 # : DS3234S

  • 包裝/封裝: SOP20

  • 製造商: MAXIM

  • 產品分類 : Real Time Clocks

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DS3234S 數據表
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詳細說明

The DS3234 is a low-cost, extremely accurate SPI™ bus real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The DS3234 incorporates a precision, temperature-compensated voltage reference and comparator circuit to monitor VCC. When VCC drops below the power-fail voltage (VPF), the device asserts the active-low RST output and also disables read and write access to the part when VCC drops below both VPF and VBAT. The active-low RST pin is monitored as a pushbutton input for generating a µP reset. The device switches to the backup supply input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3234 is available in commercial and industrial temperature ranges, and is offered in an industry-standard 300-mil, 20-pin SO package.

主要特徵

  • Some features of DS3234S# include a real-time clock module with precision timing, low power consumption, SPI interface for simple communication, temperature-compensated crystal oscillator for accurate timekeeping, programmable alarms, and battery backup support

    • 應用

    • GPS
    • Servers
    • Telematics
    • Utility Power Meters

    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。

    Category Integrated Circuits (ICs)Clock/TimingReal Time Clocks Mfr Analog Devices Inc./Maxim Integrated
    Series - Package Tube
    Product Status Active Programmable Not Verified
    Type Clock/Calendar Features Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal
    Memory Size ! 256B Time Format ! HH:MM:SS (12/24 hr)
    Date Format ! YY-MM-DD-dd Interface SPI
    Voltage - Supply 2V ~ 5.5V Voltage - Supply, Battery 2V ~ 3.8V
    Current - Timekeeping (Max) 120µA ~ 160µA @ 3.63V ~ 5.5V Operating Temperature ! 0°C ~ 70°C
    Mounting Type Surface Mount Package / Case 20-SOIC (0.295", 7.50mm Width)
    Supplier Device Package 20-SOIC Base Product Number DS3234

    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 DS3234S PDF 下載

    常見問題解答

    What is DS3234S?

    The DS3234S is a low-cost, extremely accurate, I2C real-time clock (RTC) module designed by Maxim Integrated. It is ideal for applications requiring timekeeping and calendar functions, such as precision timing, logging systems, and battery-backed devices.

    How Does DS3234S Work?

    The DS3234S works by maintaining accurate timekeeping and calendar functions using an integrated oscillator and temperature-compensated crystal oscillator (TCXO). It communicates with microcontrollers or other digital systems via the I2C interface to provide accurate time and date information.

    How Many Pins does DS3234S have and What are the Functions of the Pinout Configuration?

    The DS3234S is housed in an 20-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

    • VCC: Power supply pin.
    • GND: Ground pin.
    • SCL: Serial clock input for I2C communication.
    • SDA: Serial data input/output for I2C communication.
    • X1, X2: Connections for an external crystal or oscillator.
    • VBAT: Battery input for backup power.
    • INT/SQW: Programmable square-wave or interrupt output.

    What are the Pros and Cons of DS3234S?

    Pros:

    • High Accuracy: Provides extremely accurate timekeeping with a temperature-compensated crystal oscillator.
    • Low Power Consumption: Operates with low power, suitable for battery-backed applications.
    • I2C Interface: Offers easy integration and communication with microcontrollers or digital systems.
    • Battery Backup: Includes a battery input for maintaining timekeeping during power loss.
    • Programmable Output: Provides a programmable square-wave or interrupt output for timing applications.

    Cons:

    • Package Size: The 20-lead SOIC package may be larger than other RTC modules with fewer pins.
    • External Components: May require an external crystal or oscillator for timekeeping accuracy.
    • Complex Configuration: Configuration of square-wave output and alarm settings may require careful attention to the datasheet.

    Are There Any Equivalents/Alternatives to DS3234S for Recommendation?

    • The RV-8803-C7 from Micro Crystal AG is a similar high-accuracy RTC module with an I2C interface.
    • Alternatives to the DS3234S include the PCF8563 from NXP Semiconductors and the MCP79410 from Microchip Technology.

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