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    首页产品索引MCP23008

    MCP23008

    购买收藏
    8-bit I?O Expander with I2C Interface.

     

    产品信息

    The MCP23X08 device provides 8-bit, general purpose, parallel I/O expansion for I2C bus or SPI applications. The two devices differ in the number of hardware address pins and the serial interface:
    • MCP23008 – I2C interface; three address pins
    • MCP23S08 – SPI interface; two address pins
    The MCP23X08 consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I/Os as either inputs or outputs by writing the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output register. The polarity of the Input Port register can be inverted with the Polarity Inversion register. All registers can be read by the system master.

     

      8-bit port expander with interrupt output

      3 address inputs for up to 8 devices on one bus

      25mA sink/source capability per I/O

      Supports 100kHz, 400kHz and 1.7MHz I2C™Compatible modes

      Internal power-on-reset (POR)

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    MCP23008-E/PMolexCONN QC RCPT/TAB 14-16AWG 0.250 立即购买
    MCP23008T-E/MLMolexCONN QC RCPT 14-16AWG 0.250 立即购买
    MCP23008T-E/SSTE0.187"(4.75mm) 快速连接 母头 14-16 AWG 压接 连接器 非配接端绝缘 立即购买
    MCP23008-E/MLTECONN QC RCPT 14-18AWG 0.250 立即购买
    MCP23008T-E/SOTaiyo YudenTHERM NTC 15K OHMS 0603 立即购买
    MCP23008-E/SSTaiyo YudenTHERM NTC 68K OHMS 0402 立即购买

    技术资料

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    应用案例更多案例

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