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  • PCF8575C - Texas Instruments web page and Datasheet missing

    Resolved
    Other Parts Discussed in Thread: PCF8575 , PCF8575C Hello, I finally found out why my custom board is working bad, and the reason is because my supplier used a PCF8575C instead of a PCF8575. But the real struggle was to find out that the PCF8575C is like not…
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    • Answered

  • PCF8575C: PCF8575C

    Resolved
    Part Number: PCF8575C Hi sir, In the respective application of this IC,pull up resistor values are given as 10K. If we calculate the pull up value according to the equation Rp(max) = tr/(0.8473*Cb) = (300ns/(0.8473*400pf) gives 885ohms,which implies…
    • Resolved
    • Answered

  • PCF8575C: Pulse signal recognition

    Resolved
    Part Number: PCF8575C Other Parts Discussed in Thread: BQ25601 , PCF8575 , SN74LVC2G74 , TCA8418 Hi Ti Team I plan to use several 'BQ25601(4EA~)' by connecting them to the MCU. MCU needs to read the INT signal of BQ25601 through PCF8575, Can MCU recognize…
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    • Answered

  • PCF8575C: How to connect exposed pad?

    Resolved
    Part Number: PCF8575C Hi, Where to connect the exposed pad underneath the PCF8575C, RGE24 package? Ground or floating? Does it matter? Thanks, Tiiti
    • Resolved
    • Answered

  • PCF8575C: When is a WRITE 0xFFFF necessary to use this part as input pins?

    Resolved
    Part Number: PCF8575C Other Parts Discussed in Thread: PCF8575 I'm having a figth with this port expander and interrupts, but want to first clear up this possible misunderstanding on my side: Is it enough to write once, then wait for interrupt…
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    • Answered

  • PCF8575C: PCF8575C latch issue

    Resolved
    Part Number: PCF8575C Other Parts Discussed in Thread: PCF8575 , Hi Team, In one of the design customer want to keep pin 7 state at HIGH permanently and accordingly they are writing the registers using I2C. But, not seeing the state at HIGH, rather a pulse…
    • Resolved

  • PCF8575C: Similar Product

    Part Number: PCF8575C Other Parts Discussed in Thread: TCA9535 , TCA9539 Hello Team, My Customer is looking for a similar product to PCF8575C without internal pull-up resistance. So that the IO's should be in high impedance at on power on. Also, a p…

  • PCF8575C: Lower Vin with same package as PCF8575C

    Part Number: PCF8575C Hi team, My customer is using PCF8575C now. Because Vcc is going to change to 3.3V, does TI have same PCF8575C package and function device with 3.3Vcc? Thanks.
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  • RE: PCF8575C: IO's are high at power-up

    Resolved
    Yes, This is how I would expect for a low level to be ensured at power up. -Bobby

  • PCF8575C: PCF8575C Packaging Specifications(Tube Product)

    TI Thinks Resolved
    Part Number: PCF8575C Hello, I have a question about PCF8575C Tube Packaging Specifications. If you have a Tube Packaging Specifications, could you please provide it? Best regards, Makoto Shiraishi

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