EDN

Diode-Transistor Logic

The circuit above is a 3−input Diode−Transistor Logic (DTL) gate. Write the truth table for the input combinations of 0 V and 5 V with respect to the ground. Which type of logic gate does this circuit ...
EDN

Simple XOR logic elements on transistors

Logic elements “Exclusive OR” are widely used in a variety of digital devices. However, in some cases, for example, when using increased operating voltages, the use of standard chips is impossible.
Electronic Design

For Designers: Logic Nets In Transistor Cans

Logical microcircuits in transistor cans are now being offered by four major companies: Fairchild Semiconductor Corp., Raytheon Co., Philco Corp., General Instrument ...
Electronic Design

For Designers: Logic Nets in Transistor Cans (ED article from 1961)

March 29, 1961 - LOGICAL microcircuits in transistor cans are now being offered by four major companies. Heavy research and production is being pressed by Fairchild Semiconductor Corp., Raytheon Co., ...
PC Magazine

chip manufacturing

The making of an integrated circuit (IC), widely known as a "chip." Following are the major chip companies as of 2025 in alphabetical order. The chip is the most amazing product humans have ever ...
Hackaday

diode-transistor logic

Before the era of large-scale integration (LSI) semiconductor circuits, discrete logic circuits using the common diode-transistor logic (DTL) were still necessary and available in a format that was ...
Hackaday

diode logic

A flip-flop is one of the most basic digital electronic circuits. It can most easily be built from just two transistors, although they can and have been built out of vacuum tubes, NAND and NOR gates, ...