TI Bubble Memory?

From: Joe R. <rigdonj_at_cfl.rr.com>
Date: Fri Apr 16 23:18:59 2004

   Thanks Dan. I used to have the same book but I'd never found any of that
type bubble memory so I gave it to Erik when he visted this area. Isn't
that the way it always goes?

  Joe


At 11:36 PM 4/16/04 -0400, you wrote:
>Joe,
>
>At 11:21 PM 4/16/04, you wrote:
>>They're about 1
>>1/4" square and about 7/16" thick and are marked "TIB 0203S, 23May80 -1,
>>MSK=627573, 8B, 958-S-40, 24-164-11".
>
>23 May 80 is the date of final test.
>62, 75, and 73 are the hexadecimal addresses of defective minor loops.
>
>>Does anyone know if these are bubble memories?
>
>Yep, they are. Just last weekend I picked up a TI publication regarding
>the TIB0203. I transcribed some of it to
>www.decodesystems.com/tib0203.html
>
> From that same manual: "The TIB0203 is mounted on a 14-pin dual-in-line
>lead frame and encapsulated in an electrically nonconductive plastic
compound.
>Included in the package are the two coils that provide the rotating magnetic
>field and a permanent magnet. The package is surrounded by a magnet shield
>to protect it from external magnetic fields. The package is intended for
>insertion
>in mounting hole rows on 1.200-inch (30.48-mm) centers. Tin-plated leads
>require no additional cleaning or processing when used in soldered assembly.
>The package weighs approximately 25 grams."
>
>
>Cheers,
>
>Dan
>www.decodesystems.com/wanted.html
>
>
Received on Fri Apr 16 2004 - 23:18:59 BST