Replacement RIOT (RAM,IO,Timer) for machines such as the Atari 2600, Atari disk drives, and most Commodore CBM disk drives.

Manufacturer may vary - many manufacturers produced MOS's chips under license. From MOS's track record on reliability, I'd probably trust other manufacturers more.

Current stock is Rockwell brand.

• "Economy" will be tracked airmail to most countries, but untracked to a few more remote ones. 1-2 weeks usually, but can take longer.
• "Expedited" will be DHL Express. 3-4 days usually. Exact quotes vary depending on the country. I can refund if you are overcharged.