And-Nor Gate M121

This document is a technical schematic for the Digital Equipment Corporation M121 AND-NOR gate, dated April 1967. The circuit diagram illustrates the configuration of several DEC7450N integrated circuits, showing the input/output logic paths and power supply requirements (Pin 7 for ground and Pin 14 for +5V). Additionally, it includes a comprehensive parts list detailing the resistors, capacitors, and integrated circuits used, as well as revision and drafting information.