PDP-8 Device Selector

This document provides the specifications and operating instructions for the W103 device selector module used with PDP-8 or PDP-8/S computer systems. The module decodes the six device selector bits from the I/O bus and provides standard 100 nsec or 400 nsec pulses to selected devices. It details input and output signal characteristics, power requirements, and methods for configuring device codes by modifying diode connections.