[sdiy] CMOS chip questions

[Dan Snazelle]

opps sorry

i did mean 4009









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> Date: Sun, 19 Jul 2009 09:00:30 -0700
> From: dlmanley at sonic.net
> To: subjectivity at hotmail.com
> CC: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] CMOS chip questions
>
> Dan Snazelle wrote:
>> hey by the way.,...when interfacing CMOS and TTL, i often see the 4008 mentioned...is this the best way to go?
>>
>>
> 4008? I think you might mean CD4009/4010 or CD4049/4050?
>
> These allow you to translate from 0-15V logic levels to a lower voltage.
>
> -Dave