M219 Step Counter and Control

Summary The M219 module is a component used in the PDP-15 central processor equipped with the Extended Arithmetic Element (EAE) option. It functions as a 7-bit synchronous step counter featuring input gating and EAE control logic. The module operates using standard TTL levels for inputs and outputs and has a maximum power dissipation of 5V at 540 mA. For further technical details, users are directed to Engineering Drawing D-BS-KE15-0-3.