Step Counter and Control

This document describes the M219 module, designed for use in the PDP-15 central processor equipped with the EAE option. The M219 features a 7-bit synchronous step counter, input gating, and EAE control logic. Key technical specifications included are:

• Inputs and Outputs: Compatible with standard TTL levels.
• Power: Maximum power dissipation of 5V at 540 mA.