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    首页产品索引PCA9655E

    PCA9655E

    购买收藏
     I/O Port Expander, I

    制造商:ON

    中文数据手册

    产品信息

    The PCA9655E provides 16 bits of General Purpose parallel Input and Output (GPIO) expansion through the I2C-bus and SMBus.The PCA9655E consists of two 8-bit Configuration (Input or Output selection); Input, Output and Polarity Inversion (active-HIGH) or active-LOW operation) registers. At power on, all IOs default to inputs. Each IO may be configured as either input or output by writing to its corresponding IO configuration bit. The data for each Input or Output is kept in its corresponding Input or Output register. The Polarity Inversion register may be used to invert the Polarity if the read register. All registers can be read by the system master. The PCA9655E provides an open-drain interrupt output which is activated when any input state differs from its corresponding input port register state. The interrupt output is used to indicate to the system master that an input state has changed. The power-on reste sets the registers to their default values and initializes the device state machine.Three hardware pins (AD0, AD1, AD2) are used to configure the I2C-bus slave address of the device. Up to 64 devices are allowed to share the same I2C-bus and SMBus.
    • VCC Operating Range: 1.65 V to 5.5 V
    • SDA Sink Capability: 30 mA
    • 5.5 V Tolerant I/Os
    • Polarity Inversion Register
    • Active LOW Interrupt Output
    • Low Standby Current
    • Noise Filter on SCL/SDA Inputs
    • No Glitch on Powerup
    • Internal Poweron Reset
    • 64 Programmable Slave Addresses Using Three Address Pins
    • 16 I/O Pins Which Default to 16 Inputs
    • I2C SCL Clock Frequencies Supported:Standard Mode: 100 kHz/Fast Mode: 400 kHz/Fast Mode +: 1 MHz
    • ESD Performance: 2000 V Human Body Model,200 V Machine Model

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    PCA9655EMTTXGONIC I/O EXPANDER I2C 16B QFN-24 立即购买
    PCA9655EDWR2GONIC I/O EXPANDER I2C 16B SOIC-24 立即购买
    PCA9655EDTR2GONI/O Expander 16 I²C, SMBus 100kHz 24-TSSOP 立即购买

    技术资料

    标题类型大小(KB)下载
    WQFN24 4x4, 0.5PPDF54 点击下载
    Remote 16-bit I/O ExpanderPDF165 点击下载
    SOIC−24 WBPDF52 点击下载
    TSSOP24 7.8x4.4, 0.65PPDF59 点击下载
    PCA9655E_PD.GIFUNKNOW25 点击下载
    PCA9655E_AD.GIFUNKNOW30 点击下载
    Powering-Up and Resetting the 16-Bit PCA I2C-Bus I/O ExpandersPDF177 点击下载
    ALS-GEVB Bill of Materials (ROHS Compliant)PDF21 点击下载

    应用案例更多案例

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