February 3, 2016

Noname TL431 : weekend die-shot

Yet another noname TL431.
Die size 730x571 µm.

December 21, 2015

Dallas Semiconductor DS1000Z : weekend die-shot

Dallas Semiconductor DS1000Z - 5 tap delay line.
Die size 2074x1768 µm.

November 10, 2015

Infineon BFR740 - 42GHz BJT : weekend die-shot

Infineon BFR740L3RH - bipolar SiGe RF transistor with transition frequency of 42Ghz in a very small leadless package (TSLP-3-9 - 0.6×1×0.31mm).
Die size 305x265 µm.

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October 26, 2015
October 26, 2015

CHANGJIANG MMBT2222A - npn BJT transistor : weekend die-shot

Unlike OnSemi MMBT2222A CHANGJIANG MMBT2222A has both smaller die size and simpler layout (BC847-like) - which should cause significantly lower hFE on high collector currents.

Die size 234x234 µm.

October 19, 2015

Linear LT1021-5 ±0.05% precision reference : weekend die-shot

Expected heavy duty digital correction? Nope. Just 15 fuses and buried Zener - truly a work of art.
Die size 2354x1364 µm.

October 19, 2015