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OTL Output Latch

Home Study Material OTL Output Latch
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Plc Scada
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OTL Output Latch


  •  Usually we latch a signal with a condition and then unlatch it when a different condition becomes true. Most of time the Latch / Unlatch go together.


  • Turns a bit on when the rung is executed, and this bit retains its state when the rung is not executed or a power cycle power occurs.