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809H自動識別ID出現引腳接觸不良

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Post time: 3 day(s) ago
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打從這台809H買來就有這個問題,不管是用彈跳座或是用簡易的焊接編程座都一樣
只是我都自行輸入NAND FLASH的完整ID

才勉強可以用,但有部分NAND FLASH明明是好的,在寫入的時候還是會出現錯誤

TSOP56每個芯片自動識別ID都會出現引腳接觸不良,不管是哪種型號的NAND

TSOP48的芯片就不會

想請教大神們這是什麼問題,謝謝











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Post time: 3 day(s) ago
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编程器软件版本多少,具体什么型号芯片用数字表二极管档红表笔接芯片地黑表笔接提示引脚看一下显示数值多少。
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 Author| Post time: Yesterday 22:18
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编程器软件版本:20210101

芯片型號:MX29GL256FHT2I-90Q

数字表二极管档红表笔接芯片地黑表笔接提示引脚看一下显示数值:0.665V
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