Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Reverse engineering the popular 555 timer chip (CMOS version)

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This article explains how the LMC555 timer chip works, from the tiny transistors and resistors on the silicon chip, to the functional units...
6 comments:

Counterfeit Macbook charger teardown: convincing outside but dangerous inside

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What's inside a counterfeit Macbook charger? After my Macbook charger teardown , a reader sent me a charger he suspected was counterfe...
32 comments:

Reverse engineering the ARM1 processor's microinstructions

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This article looks at how the ARM1 processor executes instructions. Unexpectedly, the ARM1 uses microcode, executing multiple microinstruct...
3 comments:

555 timer teardown: inside the world's most popular IC

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This article is translated into Vietnamese at: Bên trong chíp định thời 555 . If you've played around with electronic circuits, you ...
21 comments:
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