[vcf-midatlantic] Can anyone identify this mystery IC - Who can do die photographs here ?!

[Dave McGuire]

   I can image the die.

          -Dave

On 8/21/22 18:11, Douglas Crawford via vcf-midatlantic wrote:
> Perfect. 2 or 3 is a close enough for now.
> That's 12 to 18 transistors, estimated range.
> 
> Calling for someone that can image a die!
> 
> Thanks Dave.
> 
> 
> On 8/21/2022 5:32 PM, Dave McGuire via vcf-midatlantic wrote:
>> On 8/21/22 17:07, Douglas Crawford via vcf-midatlantic wrote:
>>> Ah, so the red lines are not b/c/e?
>>> That's what I was first thinking.
>>> Here me trying to make some sense of it
>>> https://i.imgur.com/gOZujMR.jpg
>>>
>>> Red lines inputs?
>>> Could the blue things be capacitors?
>>
>>    I do not think they're capacitors.  Remember, this is an IC; think 
>> three-dimensionally.  All we can see from that picture is the upper 
>> metallization layer, where connections to silicon are made.  There are 
>> several layers below that.
>>
>>> Maybe purple outputs?
>>>  From this view... OR gates?
>>
>>    Possible.
>>
>>> At least I have some agreement now that several learned eyes
>>> see transistors. It might be enough for our purposes
>>> to just have a good guess of how many transistors there
>>> are, and be able to identify them.  What they are doing
>>> is a less important detail for our purposes at this
>>> point in the exhibit.
>>
>>    Yes, there are definitely transistors there.
>>
>>> So how many do to think you see in each group?
>>> We may never know for sure, but I'll probably run with
>>> your number as an estimate.
>>
>>    Well, as I said, we'd need a higher-resolution image with better 
>> lighting.  We need to be able to see a layer or two below that.  I'm 
>> guessing there are two or three.
>>
>>                -Dave
>>


-- 
Dave McGuire, AK4HZ
New Kensington, PA