The B828–016 5 V TTL output module converts logic signals used within the controller into sixteen independent 5 V TTL outputs. These outputs are compatible with TTL and DTL logic as well as other loads such as LED displays. The module uses sixteen transistor switches which are capable of sinking load currents up to 75 mA supplied from an external 5 Vdc power source.
Following is a simplified schematic of the B828–016 5 V TTL output module.