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TUSB9261-Q1: Demo board SPI Memory: obsolete

Pierluigi Caputo
Prodigy 60 points

Part Number: TUSB9261-Q1
Other Parts Discussed in Thread: TUSB9261

Hello,

we are using the TUSB9261-Q1 chip on some of our boards. 

We followed the design reference of the Demo Board, using the SPI Memory Pm25LV512A, from Micron Technology.

We discovered that this Memory is now obsolete. 

We would like to know if Texas recommends a new PN memory to replace it.

Thank you 

Pierluigi

  • 0
    TI__Genius 11255 points
    Hello Pierluigi,

    You can use the 25PO5VP instead of the obsolete part.

    Regards,
    Roberto
  • 0 in reply to Roberto Diaz
    Prodigy 60 points

    Hello Roberto,

    thank you for your reply.

    Unfortunately, even the 25P05VP is obsolete.

    I have to be more precise, in our board we used the PN M25P16-VMP6 of Micron Technology (we used that because of the example of USB Type-C HDD With USB Power Delivery Reference Design where the TUSB9261 is used).

    This memory is obsolete, so we are looking for an ACTIVE alternative.


    Can you help us?

    Thanks
    Pierluigi Caputo

  • 0 in reply to Pierluigi Caputo
    TI__Genius 11255 points
    Hello Pierluigi,

    You just need to make sure the EEPROm support the following commands.

    SPI Commands Supported by TUSB926x Bootcode/Firmware

    OPCODES
    Opcode Name Opcode
    OpcodeReadJEDEC 0x9F
    OpcodeWriteEnable 0x06
    OpcodeWriteDisable 0x04
    OpcodeReadStatus 0x05
    OpcodeWriteStatus 0x01
    OpcodeReadData 0x03
    OpcodeFastRead 0x0B
    OpcodePageProgram 0x02
    OpcodeSectorErase 0x20
    OpcodeBlockErase 0xD8
    OpcodeChipErase 0xC7
    OpcodePowerDown 0xB9
    OpcodeReleasePowerDown 0xAB
    OpcodeManufacturerID 0x90

    SPI Commands supported by TUSB926x’s BootCode

    1. OpcodeWriteEnable
    2. OpcodeReadData
    3. OpcodePageProgram
    4. OpcodeChipErase

    SPI Commands supported by TUSB926x’s Firmware

    5. OpcodeReadJEDEC
    6. OpcodeWriteEnable (0x06)
    7. OpcodeWriteDisable (0x04)
    8. OpcodeReadData (0x03)
    9. OpcodePageProgram (0x02)
    10. OpcodeChipErase (0xC7)

    Regards,
    Roberto