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Showing 44 results View by: Thread Post Sort by
  • PCA9534: MARKING, PCA9534DW, PCA9534DWR, PCA9534A

    JAEMOON GOO
    JAEMOON GOO
    TI Thinks Resolved
    Part Number: PCA9534 Tool/software: Hi TI I am using PCA9534DW and PCA9534A But there are two kinds of marking "1CC821T PCA9534" "23C1EJT PCA9534" I would like to ask what the difference between the two markings is (I want to know…
    • 8 months ago
    • Interface
    • Interface forum
  • PCA9534A: PCA9534ARGTR NiPdAu termination gold thickness

    Haan Zilmer
    Haan Zilmer
    Answer Suggested
    Part Number: PCA9534A Tool/software: Hello, Do you have a specific thickness for the gold in the NiPdAu finish terminations? Thank you, Haan
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • PCA9534A: Resetting of Interrupt for PCA9534A

    KARTHIK KRISHNA JAYACHANDRAN
    KARTHIK KRISHNA JAYACHANDRAN
    Resolved
    Part Number: PCA9534A Hello, In the data sheet, page number:16 it was mentioned that "Resetting the interrupt circuit is achieved when data on the port is changed to the original setting, data is read from the port that generated the interrupt." …
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
  • PCA9534A: Any plan for EOL? Long life support

    Wei Sing Tan
    Wei Sing Tan
    TI Thinks Resolved
    Part Number: PCA9534A Other Parts Discussed in Thread: TCA9534A Tool/software: Hi, I understand this is rather an old but very common part. Is there any EOL plan for this part and if there is, will there be an drop-in replacement? As the recommended new…
    • over 1 year ago
    • Interface
    • Interface forum
  • PCA9534A: PCA9534A holding SDA low at power up

    Amy Domino
    Amy Domino
    Part Number: PCA9534A Other Parts Discussed in Thread: PCA9554A , TCA9534A , TCA9554A , TCA9534 Hello, I am using 3x PCA9534A IO expanders and sometimes the device will hold the SDA line low at power up. All that is on the bus is a micro controller…
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9534A: Register access

    Adiel Freiman
    Adiel Freiman
    Resolved
    Part Number: PCA9534A Hey, we tend to use this device on our board. In a case of write operation, when the master send the command byte wrong with a sixth 6 MSbits other than zeros ("0") how would the slave acts? For example instead of 0x03 it sends…
    • Resolved
    • over 2 years ago
    • Interface
    • Interface forum
  • PCA9534A: register read and wrote is not the same

    Brian Li
    Brian Li
    Part Number: PCA9534A Hi team, My customer is using our PCA9534A ,and they find when they config 0 x03 ,the value read and wrote is not the same. They also check the input register 0x00 ,they find the value also can't match the input voltage. Could…
    • over 2 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9534A: PCA9534ARGTR used Footprint

    Allen yang
    Allen yang
    Resolved
    Part Number: PCA9534A Hi The datasheet shows 2 footprints which one to choose?
    • Resolved
    • over 2 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9534A: No communication with expander

    Gruffalo
    Gruffalo
    Resolved
    Part Number: PCA9534A Dear Sir or Madam, I am having problems getting communication with the PCA9534A. I see the CLK and SDA lines are pulling the commands on the i2c bus low in the correct way. the same circuit work when implemented on a different…
    • Resolved
    • over 2 years ago
    • Interface
    • Interface forum
  • Answered
  • PCA9534A: Reflow Profile

    KARTHIK KRISHNA JAYACHANDRAN
    KARTHIK KRISHNA JAYACHANDRAN
    Resolved
    Part Number: PCA9534A Hello, Can you share the reflow profile for PCA9534A? Does all the TI devices follow any standard Reflow profile? Thanks
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
>

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