Clock Counter M709

This document is a technical schematic for the M709 Clock Counter module, dated 1968 and produced by the Digital Equipment Corporation. The schematic details the logic circuits, component interconnections, and pin assignments for the module. It includes a parts list identifying specific integrated circuits (such as DEC7400N, DEC7474N) and discrete components like resistors, diodes, and capacitors used in the assembly. The document is provided for test and maintenance purposes.