[sdiy] Can google's free* 180nm OSHW foundry be used for synth parts?

[Mike Bryant]

I hope you weren’t the comedy act in the interval at your synthfest :-)

From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Neil Johnson via Synth-diy
Sent: 08 August 2022 11:52
To: rburnett at richieburnett.co.uk
Cc: Synth DIY
Subject: Re: [sdiy] Can google's free* 180nm OSHW foundry be used for synth parts?

Yeah it's a pretty poor exchange rate at the moment - you pay an arm and a leg, but only get an ARM in return.

Neil

On Mon, 8 Aug 2022 at 11:38, <rburnett at richieburnett.co.uk<mailto:rburnett at richieburnett.co.uk>> wrote:
To be honest I would just be happy to be able to get ARM chips in volume
these days! ;-)

-Richie,


On 2022-08-08 10:57, mark verbos via Synth-diy wrote:
> In the future we will all have a toaster sized device that can print
> out an Andromeda ASIC!
>
>> On Aug 7, 2022, at 10:56 PM, Mattias Rickardsson <mr at analogue.org<mailto:mr at analogue.org>>
>> wrote:
>>
>> Being open source, replacement chips could be made by anyone. ;-)
>>
>> Den sön 7 aug. 2022 22:32Peter Pearson <electrocontinuo at gmail.com<mailto:electrocontinuo at gmail.com>>
>> skrev:
>>
>> Idk, personally that just kind of sounds like a repair nightmare in
>> the not too distant future.  Unobtainable voice chip ASICs for the
>> Alesis Andromeda all over again.
>>
>> On Sun, Aug 7, 2022 at 4:10 PM Mattias Rickardsson <mr at analogue.org<mailto:mr at analogue.org>>
>> wrote:
>>
>> Peter Pearson via Synth-diy skrev:
>>
>> If you want a synth on a chip, why not just buy an AS3394?  They
>> already exist, sound fine, and you won't break the bank
>>
>> Given that the chips are mainly for logic duties, I'd almost expect
>> a "synth on a chip" in this case to include not only analog parts
>> but also the surrounding digital control, CV generation,
>> multiplexers, and possibly also some processing power. Would be nice
>> for a change to have 1 chip on the analog side of the board instead
>> of 2000+.  :-)
>>
>> /mr
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