Linc Tape Register M222

This document is a technical schematic diagram for the Linc Tape Register M222, designed by the Digital Equipment Corporation. The circuit utilizes a variety of integrated circuits (including DEC7400, 7453, 7474, and 7482 series) to facilitate data handling, likely for tape bus operations. The diagram illustrates a complex arrangement of logic gates (NAND, NOR, AND, OR), flip-flops, and a diode network (D1-D5) used for voltage regulation and signal management. The document also includes a comprehensive parts list detailing the specific resistors, capacitors, and integrated circuits required to construct or maintain the board.