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If there are Reprogrammable Musical Chip ?????

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New Member
why not use an EPROM with DAC?record your song.
i also know some chips with songs, UM3481, 2,3,4
i don't know much about them. in fact i am nor really sure this is the name.


New Member

I am trying to do Musical Door Bell so that i would able to re programm it
an Eprom it's expensive,i need them in quantity aprox. 50-150 in month
About the UM3481 and UM66 all of them are come with music on it that sit's in internal ROM (From The Factory)


Active Member
ISD chips give a complete solution: rec/play 15ohm speaker drive, mic or line in. Available from 16sec recording time.
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