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Thread: TMS44C256-80N - Dynamic RAMs - DIL20 for A590 and A2091

  1. #1
    petraiello's Avatar
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    Thumbs up 44C256 - Dynamic RAMs - DIL20 for A590 and A2091(tested)

    For sale rare TMS44C256-80N DRAMs
    Brand:
    Texas Instruments
    Capacity: 256k x 4bits (1Mb)
    package: DIL20
    speed: 80ns
    Quantity: 8pcs sold to
    timmyotool

    in addition I own also:

    MB81C4256-10P DRAMs
    Brand:
    Fujitsu
    Capacity: 256k x 4bits (1Mb)
    package: DIL20
    speed: 100ns
    Quantity: 20pcs
    *TESTED*

    These DRAMs are used in several expansion boards such as A590, A2091, A501+,Hurricane '020, etc. and can be mixed with other same memories from other brands marked as:

    Micron MT4C4256
    Motorola MCM514256AP
    NMB AAA1M304P
    Siemens HYB514256B
    Mitsubishi M5M44256AP
    NEC UPD4242556C
    OKI MSM514256
    Tseng TC514256AP
    Hyundai HY534256S



    WARNING! Please insert chips in the sockets carefully otherwise their pins could be damaged irreparably!

    For TI chips (80ns) the price is €3 each one plus P&P.

    For Fujitsu chips (100ns) the price is €1.50 each one plus P&P.

    Paypal is accepted (buyer will pay fees if due) as well as bank transfer. Ask for the exact total price.

    For other info just send a PM.

    Chips are for sale elsewhere too

    Last edited by petraiello; 9th March 2019 at 21:41.
    List of my started threads: https://goo.gl/UmvSCb

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    Miru's Avatar
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    Default

    How many chips for the full 2 mb? 16?

  3. #3
    petraiello's Avatar
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    Quote Originally Posted by Miru View Post
    How many chips for the full 2 mb? 16?
    4 chips= 512kbytes
    8 chips= 1 megabyte
    16 chips= 2 megabytes
    ...and so on...
    List of my started threads: https://goo.gl/UmvSCb

  4. #4
    petraiello's Avatar
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    still for sale
    Last edited by petraiello; 18th August 2018 at 18:25.
    List of my started threads: https://goo.gl/UmvSCb

  5. #5
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    bump...
    List of my started threads: https://goo.gl/UmvSCb

  6. #6
    petraiello's Avatar
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    bump
    List of my started threads: https://goo.gl/UmvSCb

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    Badeendje75's Avatar
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    Interested in 16 pieces Fujitsu DRams for my A590, pending shipping costs. Sending PM now.


    Sent from my iPhone using Tapatalk

  8. #8
    Badeendje75's Avatar
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    Payment sent for 16 pieces Fujitsu Drams + pp.


    Sent from my iPad using Tapatalk

  9. #9
    Badeendje75's Avatar
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    Package received in optimal condition, thanks!


    Sent from my iPad using Tapatalk

  10. #10
    petraiello's Avatar
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    bump
    List of my started threads: https://goo.gl/UmvSCb

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