M632 Converter-I/O Bus Driver

Summary The M632 is an M-series single-height module designed to interface between positive logic systems and negative logic levels, specifically for driving the PDP-9 negative I/O bus. It contains eight independent converter circuits, each utilizing a TTL input gate and a negative open-collector output driver. The module is pin-compatible with the M622 and features a maximum input-output delay of 50 ns, with rise and fall times of 15 ns.