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Posts Tagged ‘chip’

Decap a Chinese chip at home: Clone or not?

Friday, May 31st, 2019

Sjaak writes, "It has been a while before I posted something useful. On my search for obscure chips, I came around another interesting Chinese chip (which I don’t reveal yet). The chip was advertised as a cheap drop-in replacement for a American IC so I suspected it would be a...

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Two bits per transistor: high-density ROM in Intel’s 8087 floating point chip

Tuesday, October 2nd, 2018

Ken Shirriff has a great write-up about the multi-level ROM in Intel's 8087 floating point chip: The 8087 chip provided fast floating point arithmetic for the original IBM PC and became part of the x86 architecture used today. One unusual feature of the 8087 is it contained a multi-level ROM...

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Silicon die analysis: Inside an op amp with interesting “butterfly” transistors

Tuesday, July 3rd, 2018

An excellent in-depth look at theTL084 op amp by Ken Shirriff: Some integrated circuits have very interesting dies under a microscope, like the chip below with designs that look kind of like butterflies. These patterns are special JFET input transistors that improved the chip's performance. This chip is a Texas Instruments...

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FT2232H breakout board back in stock

Thursday, July 10th, 2014

The FT2232H USB 2.0 Hi-Speed breakout board is back in stock at Seeed Studio. This is a breakout with a FT2232H high-speed dual-channel USB-to-serial chip that has two JTAG debug channels. Get one for $27.

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New chip delivers DNA results within an hour

Thursday, May 2nd, 2013

[embed]http://www.youtube.com/watch?v=oRWeD2VFh7w[/embed] Here's an amazing new DNA testing chip by Panasonic together with the Belgium-based research institution IMEC. It delivers DNA results within an hour: This is the chip we've actually developed. As you can see, it's less than half the size of a business card. It contains everything needed for testing DNA....

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Workshop video: Sjaak solders a QFN and BGA chip

Tuesday, January 3rd, 2012

Sorry, comments are not working on this post for unknown reasons. Please check out our workshop video here.

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Recent Comments

  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...