155-0122-00
The Tektronix 155-0122-00 (M132A) is a Tek-made sweep control chip in a 16-pin DIP, designed by Larry Gagliani.
It contains the hold-off timing Miller, single sweep lockout circuit, triggered and single sweep ready light lamp drivers, single sweep reset debounce circuit, auto timing circuit and an "A" Gate output.
It interfaces with the 155-0123-00 sweep and delay pickoff and the 155-0196-00 trigger ICs for a complete horizontal system.