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Tag Archives: Allegro
Allegro V155B
Another quick die photo from a chip taken off the Nortel Handset from 1993. It’s an Allegro V155B (Possibly QMV155B as it was likely made for Nortel and given a QMV designation). The package has markings on the top and … Continue reading
Allegro 1391 Hall Effect Sensor
(I was debating posting this as the depot quality is not at all good, despite trying multiple acid baths and boiling acetone baths I could not remove all the plastic mold. But it is what it is and I figured … Continue reading