Korean second source manufacture of Motorola 68000 CPU - Page 1
Forum section: electronics / general

author: Scratch.HTF
author_rank: Regular Contributor
timestamp: September 09, 2020, 01:52:09 am
content: As far as I know, no Korean company has been a second source manufacturer for the Motorola 68000 CPU although I have seen a Z80 clone manufactured by GoldStar.

author: eliocor
author_rank: Unknown
timestamp: September 09, 2020, 11:36:38 am
content: ?

author: MosherIV
author_rank: Super Contributor
timestamp: September 09, 2020, 12:43:28 pm
content: As far as I know Intel and Motorola never allowd their processors to be 2nd sourced!

author: Benta
author_rank: Super Contributor
timestamp: September 09, 2020, 04:35:36 pm
content: Quote from: MosherIV on September 09, 2020, 12:43:28 pmThe 68000 (NMOS) was second-sourced by Signetics, Thomson and Toshiba.The 68HC000 (CMOS) was second-sourced by Hitachi and Toshiba.Never heard of any Korean manufacturer.

author: andersm
author_rank: Super Contributor
timestamp: September 09, 2020, 04:51:02 pm
content: Quote from: MosherIV on September 09, 2020, 12:43:28 pm8086/8088s were made by at least AMD, Fujitsu, Harris, Mitsubishi, NEC, OKI, and Siemens.

author: george.b
author_rank: Frequent Contributor
timestamp: September 09, 2020, 06:12:44 pm
content: Sorry, but... I don't get the point of this.

author: ebastler
author_rank: Super Contributor
timestamp: September 09, 2020, 08:11:10 pm
content: @Scratch.HTF, if you just wanted to try out the forum's poll function, maybe try again, with a more meaningful question?

author: coppice
author_rank: Super Contributor
timestamp: September 09, 2020, 10:07:54 pm
content: Goldstar did actually manufacture 68000 based wafers as a subcontractor for Motorola, when Motorola had a shortage of capacity, and Goldstar had an idle fab.

author: coppice
author_rank: Super Contributor
timestamp: September 09, 2020, 10:16:41 pm
content: Quote from: andersm on September 09, 2020, 04:51:02 pmNot all of those were second sources. Some, like NEC, made clones. In NEC's case they used a superior architecture to get added performance in a pin for pin look alike (the original V20 and V30). This lead to a famous long running law suit that NEC eventually "won". "won" means they succeeded in court, but let things drag on so long their potential market was ruined.Motorola knew from day one that the only way to get into many key applications was to have genuine second sources. They worked with ST, Philips and others to ensure second sources for most of the 68k parts were available on day one. I believe this was more than just exchanging designs. The original 68k was a very early dry plasma etched part, so I think a lot of process exchange was involved.These days you only need to have a solid second source for very generic parts, like memory. The world has changed.

author: ebclr
author_rank: Super Contributor
timestamp: September 09, 2020, 11:21:09 pm
content: What a waste of time

author: dr.diesel
author_rank: Super Contributor
timestamp: September 09, 2020, 11:27:47 pm
content: I'm still waiting for the 68080.

author: andersm
author_rank: Super Contributor
timestamp: September 10, 2020, 12:23:33 am
content: Quote from: coppice on September 09, 2020, 10:16:41 pmNEC madestraight-up 8086s. The list I posted was taken directly from the CPU-World8086and8088pages. TheV20 familyhas its own page.

author: coppice
author_rank: Super Contributor
timestamp: September 10, 2020, 02:07:50 am
content: Quote from: andersm on September 10, 2020, 12:23:33 amInteresting. Do you know when they were made? Considering the courtroom battle those two had its rather surprising to see.

author: andersm
author_rank: Super Contributor
timestamp: September 10, 2020, 06:32:53 am
content: Quote from: coppice on September 10, 2020, 02:07:50 amDoing some more digging, they may in fact have been unlicensed clones, but that lawsuit wassettled by NEC licensing the 8086 design. This happened in 1982, a couple of years before the V20 was launched.

author: srb1954
author_rank: Super Contributor
timestamp: September 10, 2020, 07:17:36 am
content: Quote from: Benta on September 09, 2020, 04:35:36 pmMOSTEK also second-sourced 68000 chips before they were absorbed into Thomson.

author: greenpossum
author_rank: Frequent Contributor
timestamp: September 10, 2020, 10:20:32 am
content: What's this all about? Some kind of K-semi-pop contest?

author: magic
author_rank: Super Contributor
timestamp: September 10, 2020, 02:23:30 pm
content: My vote for Samsung because I didn't even know that the other companies ran semiconductor fabs.Still no idea what this thread is about

author: ebastler
author_rank: Super Contributor
timestamp: September 10, 2020, 03:25:51 pm
content: Quote from: magic on September 10, 2020, 02:23:30 pmIt's about measuring how strong people's impulse to click the "vote" button is, even when the poll question is totally pointless.

author: 0db
author_rank: Frequent Contributor
timestamp: September 10, 2020, 09:14:17 pm
content: Quote from: dr.diesel on September 09, 2020, 11:27:47 pmBuy a Vampire card