I.O. Bus Receiver

This document contains the detailed circuit schematic for the M564 -3V I.O. Bus Receiver, a component designed for Digital Equipment Corporation hardware systems. The file includes a parts list specifying necessary transistors, diodes, resistors, capacitors, and integrated circuits, along with mechanical information such as board drilling layouts and assembly details. The schematic illustrates the signal processing paths for the bus receiver, including transistor logic and voltage regulation for +5V and -15V operations.