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ITT Intermetall SAH181 - 30% of 70's multimeter : weekend die-shot
ITT Intermetall SAH181 comes from a time when you needed multiple chips to build 3/4-digit multimeter. It is a part of multimeter chipset: roughly, SAH161 receives comparator output and contains part...
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National LH0042CH - hybrid opamp with FET frontend : weekend die-shot
National LH0042CH came from the time when you could not have had high-performance BJT and FET transistors on the same die. Even in 2022 there is still room for hybrid opamps, for example external JFET...
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DW01R - LiIon protection chip : weekend die-shot
Which microchip protects the most property and human life? Automotive? Healthcare? I think this one could be the winner. DW01R is a LiIon battery protection chip - and saves millions of homes from...
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Laser decapsulation - not so fast
After dreaming for many years about a cleaner way of chip decapsulation, I finally got my hands on a MOPA fiber laser. But like many things in this life, it apparently is more complicated than it...
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