Quad S-R Latch
General Description
The DM74LS279 consists of four individual and independent
Set-Reset Latches with active low inputs. Two of the
four latches have an additional S input ANDed with the primary
S input. A LOW on any S input while the R input is
HIGH will be stored in the latch and appear on the corresponding
Q output as a HIGH. A LOW on the R input while
the S input is HIGH will clear the Q output to a LOW. Simultaneous
transition of the R and S inputs from LOW-to-
HIGH will cause the Q output to be indeterminate. Both
inputs are voltage level triggered and are not affected by
transition time of the input data.
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