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  • Wholesale 1pcs DS1302 Real Time Clock Module with CR2032 Battery Power Down Time Walk
  • images/v/1254/3954.jpg
  • images/v/1254/3954_1.jpg

1pcs DS1302 Real Time Clock Module with CR2032 Battery Power Down Time Walk

    Qty.Range(unit) Price(per unit) Discount
    Large Order:
  •  US$6.68
  • Quantity:



    Product Details

    Key Features

    DS1302 main feature:
    Real-time clock has the capacity calculation prior to 2100. seconds, minutes, days, weeks, months, years, as well as the ability to leap year adjustment
    31 8-bit temporary data storage RAM
    Serial I / O port
    wide range working voltage 2.0 5.5V
    Working current : less than 300nA,2.0V
    ★ read / write clock or RAM data can single-byte transmit /multi-byte transmit for both transmission mode
    ★ 8-pin DIP package or optional 8-pin SOIC package assembly

    ★ easy 3-wire interface
    ★ TTL-compatible Vcc = 5V
    ★ temperature range of -40 to +85
    ★ dual-power supply tube for the main power and backup power supply

    DS1302 real time clock module parameters


    1.PCB single panel, size: 44mm * 23mm * 1.6mm

    (2) four positioning holes, diameter 3.1mm

    3. battery backup CR2032, the voltage 3V, the current 260mAh, non-rechargeable batteries.

    4 crystal 32.768KHz, Japan imported crystal matching capacitor 6pF, size 2 * 6mm

    5.DS1302 8-pin DIP chip ,socket below the IC for easy plug the chip replacement

    6. Module working voltage compatible with 3.3V/5V, can be connected with 5V or 3.3V MCU
    Working temperature: 0 ° --- 70 °
    connecting method (for the procedures provided example, connect to any IO port, you can modify the
    Port Definitions in the program):
    VCC → +5 V/3.3V
    GND with → GND with
    The CLK → P02,
    The DAT → the P01
    The RST → P00
    Note:

    1.VCC to GND Do not reversed, so as not to damage the chip

    2.PULL DOWN needs to connected to the 51 MCU P0 port.

    Specifications

    TypeDisplay,
    Use ForUniversal,
    ModelDS1302 ,
    Dimension(cm)4.4 x 2.3 x 1.6,
    Net Weight(kg)0.031,

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