The IM23 and OM23 are both equipped with front- panel light-emitting diodes for channel-status monitoring. ... The two models, 05E and 05EP, are calibrated for common screw-travel rates and will accept and generate binary-coded decimal inputs and ... Phone (313) 426-3476 [Circle 379] Oxide-isolated PROMs have access times of 25 to 40 ns Four oxide-isolated programmable read-only memories ... The process combines features of oxide isolation and vertical fuse techniques.