Published:2011/8/1 1:50:00 Author:Lucas | Keyword: 74 Series , digital circuit , four R-S latch | From:SeekIC
74279,74LS279, 74HC279four R-S latch
Double-clamped input, totem pole output
Q0 =the output level before establishing the steady-state input conditions.
If the output level is stable, when the S and R simultaneously reach high level, the state can not be maintained. For the latch with two S inputs; H = two L inputs, which is high; L = one or two S inputs ,which is low.
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