Monthly Archives: November 2017

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

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Motorola MPC17A85V

This is a die photo from a 1994 Motorola chip that was on the JVC Camcorder I looked at.     The package labeling of XPC differs from the die marking of MPC. I understand that Motorola would launch a … Continue reading

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Garrison Carbon Monoxide Detector

I had a Carbon Monoxide sensor keep chirping at me, it was also displaying END.  Turns out that CO detectors have a mandated lifetime and are programed to stop working after 7-10 years.  So rather than toss it out, why … Continue reading

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Microchip 24LH08X

This Microchip 24LH08X memory chip was on the Meridian handset and dates from around 1993.       I was unable to find a datasheet or any reference to a 24LH08X. I am pretty sure it is an 8kbit serial … Continue reading

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