function as a positive logic input enable for the other ANDs.
Because the Master readly line is a sinking type?
ion gauge __ ---- o\ +----------------------+| \ nnnn o 15V ___ | )o+---------+| +----- -|___|+-++----+|__/ + Low Limit | __ ---- o\ | ------------------+| \ nnnn o | + | | )o+---------+| | +| 15V +-----+|__/ +-----+-----------+ | | HV on | __ ---- o\ | +-----------------+| \ nnnn o | | | )o-+--------+| | |+ +-----+|__/ +-----+ |+ | Safety Ready | __ ---- o\ | +-----------------+| \ nnnn o | | | )o+----------| +-----+ +---+-+|__/ | | | | Enable | o-o----------+ +-------------+ | __ | | +--+| \ | ___ | | | )+---+ 15V -|___|--+--------+--+|__/
MC678P (created by AACircuit v1.28.6 beta 04/19/05
Jamie