Matt VennSep 12, 2023

Looking forward to enabling 1 month turn around for #TinyTapeout #ASIC by collaborating with PragmatIC flexible #semiconductor !

https://www.pragmaticsemi.com/newsroom/blogs/democratising-ic-design

Democratising IC Design  - Pragmatic Semiconductor

Once upon a time, designing your own chip took serious cash. Semiconductor innovation was only an option if you had a few hundred thousand dollars to spare. In recent years, however, there’s been increasing industry momentum towards the democratisation of chip design. Projects range from open Instruction Set Architecture (ISA) initiatives such as RISC-V to […]

Pragmatic Semiconductor
Show threadTommy ThornSep 12, 2023
@matthewvenn Interesting. I’d expect densities are much lower than Sky130 but I wasn’t able to find anything concrete about their process.
Show threadMatt VennSep 12, 2023
@tommythorn yes a lot lower, and only nmos
Show threadTommy ThornSep 12, 2023

@matthewvenn Oh, so that's interesting. Maybe we'll see a return of four-phase logic: https://en.wikipedia.org/wiki/Four-phase_logic

Looking forward to learn more.

Four-phase logic - Wikipedia

Show threadTommy Thorn
@matthewvenn Re. #FourPhaseLogic, see also: https://www.righto.com/2020/12/reverse-engineering-early-calculator.html
Reverse-engineering an early calculator chip with four-phase logic

In 1969, high-density MOS integrated circuits were still new and logic circuits were constructed in a variety of ways. One technique was ...

Sep 12, 2023 at 4:03pmWeb
Show threadMatt VennSep 13, 2023
@tommythorn great write-up by @kenshirriff as usual!"