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> (2012) How to «open» microchip and what's inside?
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(2012) How to «open» microchip and what's inside?
Источник: https://zeptobars.com/en/read/how-to-open-m...sic-what-inside

QUOTE
Microchips - are indeed can be considered a black box - as long as it's working you normally don't look inside.
But what if you want to?

Today we'll show how to "open" chips and what's inside.

WARNING! All operations with concentrated (and especially hot) acids are extremely dangerous. Only trained persons should work with them using required protective equipment (acid-prof gloves, protection glasses, protective suit, fume hood and more). Remember that you only have 2 eyes!

This article is for educational purposes only, do not try to repeat!.


См.:
- Micron MT4C1024 — 1 mebibit (220 bit) dynamic ram. Widely used in 286 and 386-era computers, early 90's. Die size - 8662x3969µm.
- KR580IK80A (later renamed to KR580VM80A) - one of the most widespread soviet processors. Contrary to popular belief, it appeared to be not an Intel 8080A (or 8080) clone, but a code-compatible redesign (while several parts are quite similar, routing is different as well as pad placement). Thinnest lines are 6µm
- MIFARE chip, used in Moscow's subway RFID tickets. Die size - 640x620 µm.
- STM32F100C4T6B — is the smallest microcontroller made by STMicroelectronics based on ARM Cortex-M3 core. Die size - 2854x3123µm.

QUOTE
Now black box is open :-)


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