[Libre-silicon-devel] sea of gates and open analog

ludwig jaffe ludwig.jaffe at gmail.com
Wed Feb 6 08:27:46 CET 2019

Hi all,

also lattice has programable analog which is an ic containing opamps,
switched capacitor filters bandgap references and some analog muxes which
are transfer gates I guess, and some programable resistors (mux and
resistor on chip) and capacitors.
They are called PAC, iirc.

Just look it up.

If we want such we can start with a bandgap some op amps like lm324 and a
lot of transfer gates like cd4066.
With a lot of pins we can connect external components and we may have on
chip resistors and  matched pair transistors
in bipolar and junction fets .



On Tuesday, February 5, 2019, Staf Verhaegen <staf at fibraservi.eu> wrote:
> Luke Kenneth Casson Leighton schreef op di 05-02-2019 om 07:34 [+0000]:
> On Tuesday, February 5, 2019, Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> Hi best place to ask,
> Have forgotten the name of a company that has a sea of gates high end
ASIC, you get to do only the one mask, the via layer. Does anyone know the
company? It is apparently supported by libre design tools.
> So sorry, um I found it:
> They are now Intel and not interested in low to medium volume.
> Second, somewhere in this talk https://youtu.be/zXwy65d_tu8 is mentioned
an open analog design project, does anyone know what that project is?
> Haven't found this one yet
> The VIA programmable analog company I know of is Triad Semiconductor with
their configurable IC Technology.
> greets,
> Staf.

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