New Old Stock, 1-MBit Magnetic Bubble Memory Kit Comparable to BPK-70AZ-1
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Unfortunately, I have been unable to locate any additional BPK-70AZ bubble memory kits in this listing. However, these kits are comparable to Intel / MemTECH BPK-70AZ-1 six-chip 1-MBit subsystem kit.…
Read More…Unfortunately, I have been unable to locate any additional BPK-70AZ bubble memory kits in this listing.
However, these kits are comparable to Intel / MemTECH BPK-70AZ-1 six-chip 1-MBit subsystem kit. I have re-packaged these from bulk packaging into individual conductive polypropylene ESD Safe conductive pill boxes. The bulk components used in these kits were purchased as New Old Stock (NOS), but the devices do not have any travelers to confirm that information. However, all components appear to be new and unused. I do spot testing of the components, so some chips may show signs of being inserted for testing into my bubble board system.
Unlike the original BPK-70 kits, these kits do not have the mounting hardware which included the little metal mounting arms, screws, washers, nuts, and insulators. If you are using these bubble kits in a critical / high-vibration environment such as satellites, you will probably want to find some mounting hardware.
Of course you can also harvest bubble components from surplus boards. Personally, I would shy away from untested, pulled bubble chips since I have had pretty poor luck with the loose bubbles that I have purchased. If you come across any Intel bubble boards i may be interested in buying or trading. Especially the following: iSBC-254 iSBX 251, iPAB.
As seen in the photographs, the bubbles are branded MemTech which was the bubble memory spinoff from Intel. The pulse generator and formatter/amplifier are Intel branded. The Coil pre-driver and H-bridges are Silconix branded (as they were in the original MemTech BPK-70AZ kits).
This kit includes the 7110 bubble itself and the five support chips:
7230 Pulse Generator
7242 formatter / Sense amplifier
7250 coil pre-driver
Two 7254 coil drivers
It DOES NOT include the 7220 bubble controller. (The 7220 was not included in the BPK-70 kit because it could drive multiples 1-MBit bubble sub-systems)
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Battle Ground, WA, United States of America
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