Six 2-2 And-Nor Gates

This document is a technical schematic for a Digital Equipment Corporation (DEC) logic module, specifically a "Six 2-2 AND-NOR Gates" circuit (M126).

The document includes:

• Circuit Diagram: Illustrates the schematic layout for the AND-NOR gate configuration, including input/output pin mapping for integrated circuits (E1, E2, E3).
• Components: Provides a detailed parts list featuring DEC part numbers, descriptions, and quantities for items such as integrated circuits (DEC 1074H50), resistors, capacitors, and diodes (D662, D664).
• Specifications: Notes that the circuit uses 0.01uF capacitors, D662 diodes, and that pin 7 is tied to ground and pin 14 is tied to -5V for all ICs.
• Administrative Information: Includes an ECO history reference, drilling/hole layout information, and a transistor/diode conversion chart. The schematic is marked as proprietary and intended for test and maintenance purposes only.