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[aprssig] EPROM for UIDIGI

James Jefferson Jarvis jj at aprsworld.net
Thu Apr 20 14:33:16 UTC 2006


Scott Miller, N1VG, has programmed 27C256's for $5 each. 
http://www.argentdata.com/catalog/product_info.php?cPath=24&products_id=24

-Jim KB0THN

On Thursday 20 April 2006 09:20, Fred Atkinson wrote:
> Folks,
>
>      I need to get my hands on a 27C256 so I can burn the UIDIGI firmware
> into it.  I went to the Jameco Web site to order some but there are a whole
> bunch of variants of the 27C256.  They can all be viewed at
> http://www.jameco.com/webapp/wcs/stores/servlet/CatalogSearchResultView?lan
>gId=-1&storeId=10001&catalogId=10001&searchType=k&searchValue=27c256&categor
>yId=105040.
>
>      I'd hate to order them and get one that doesn't meet the required
> specifications.
>
>      The differences seem to be in the speed and the voltages used.
>
>      I've got a feeling that one with 12.5 volts and a slow speed will
> work.  But I'd like to be sure before I pay Jameco more money to ship a
> couple of chips that the chips cost themselves.
>
>      Can anyone make a suggestion?
>
>      73,
>
>
>
>                                            Fred, WB4AEJ
>
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