The ROMs in question are 24-pin 2332 and 2364 chips, which run at 5 V and can easily be read with any microcontroller. Thus, his concept is a very simple board, with a Pi Pico and flash chip ...
At a restaurant I worked at in Oakland, California ... Don't limit this pico de gallo to only being enjoyed with tortilla chips. Add it on top of white rice with fresh greens.