Viewer Mail – Is this a 4-bit Processor?!



Some gifts I received a while ago but has taken me a long time to get this video edited & posted! The subject of the title is at 2:35

00:00 Intro
02:35 Weird IC
05:22 X-Acto vs Surgical

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23 thoughts on “Viewer Mail – Is this a 4-bit Processor?!”

  1. The Surgical Blade you show towards the end of the video looks like a copy of a Swann Morton No. 11 (part ref: 0103). I only mention this because the factory where they are made is down the hill from my home.

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  2. I am only using surgical blades number 11 and number 15b. Buy them from the pharmacy here and they are way cheaper compared to the exacto blades from the office supply store

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  3. The golden pins are called a leadframe. They can get formed into pins of various shapes. But here, the package is a so-called flatpak. So the chip will be mounted in a hole or a recess in the PCB, leads sitting on top of pads and trimmed.

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  4. This module was designed by Collins, for use in avionics. I collect and make teardown videos of Collins avionics, and I can sell you this was likely used in a airliner at one point.

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  5. I could tell it was surgical because there was someone's skin still on the tweezers – lol -.
    I think the jumpers are called wire bonds, because I remember The Signal Path wanting to buy a wire bonding machine.

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