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 Post subject: PM991
PostPosted: May 19th, 2025, 13:32 
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Joined: May 19th, 2025, 13:14
Posts: 2
Location: Ukraine
Help identify the element with marking "UM" is a reset supervisor. What is the name of the chip?


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 Post subject: Re: PM991
PostPosted: May 19th, 2025, 13:41 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
https://www.ti.com/packaging/en/docs/partlookup.tsp?partmarking=um

https://web.archive.org/web/20230522152029/http://www.users.on.net/~fzabkar/Datasheets/DATAURLS.HTM
https://web.archive.org/web/20230522152022/http://www.users.on.net/~fzabkar/Datasheets/datasheets.txt

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Last edited by fzabkar on May 19th, 2025, 13:49, edited 2 times in total.

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 Post subject: Re: PM991
PostPosted: May 19th, 2025, 13:45 
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Joined: May 19th, 2025, 13:14
Posts: 2
Location: Ukraine
Thank you very much!!!


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