M203

This document is a schematic diagram for a Digital Equipment Corporation (DEC) "SET-RESET FLIP FLOP MODULE M203" (part number CS M203-0-1, Revision B), dated July 11, 1967.

It depicts the internal circuitry of the module, which is primarily composed of Integrated Circuits (specifically identified as DEC7400N, labeled E1 through E4, shown as NOR gates in the diagram) and capacitors (C1 through C4). The schematic includes notes indicating that Pin 7 on each IC is Ground and Pin 14 on each IC is +5V.

A prominent disclaimer states that the schematic is proprietary to Digital Equipment Corporation, copyrighted 1967, and is furnished only for test and maintenance purposes, to be treated accordingly.