Tag Archives: CMOS

LCD Display Drivers

Over the past year I have pulled apart several old phones. I thought it would be interesting to look at a selection of the LCD display drivers and how they have progressed.I am going to look at three LCD displays, … Continue reading

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HCF4007U Dual Complementary Pair plus Inverter

Integrated circuits do not get any simpler than this. This is an HCF4007U made by ST with a week 27 1993 date code According to the datasheet it can be, depending on the pin connections, either 3 inverters, a 3 … Continue reading

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Maxim 785 Power Supply Controller

Another chip from the clamshell iBook from 2000. ¬†Another Maxim power chip, this time it is from the main PCB.   Its a MAX785C which I am pretty sure is a dual (3.3V & 5V) PWM buck regulator for laptop … 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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