The CD4043BC are quad cross-couple 3-STATE CMOSNOR latches, and the CD4044BC are quad cross-couple 3-STATE CMOS NAND latches. Each latch has a separate Qoutput and individual SET and RESET inputs. There is acommon 3-STATE ENABLE input for all four latches. Alogic “1” on the ENABLE input connects the latch states tothe Q outputs. A logic “0” on the ENABLE input disconnectsthe latch states from the Q outputs resulting in anopen circuit condition on the Q output. The 3-STATE featureallows common bussing of the outputs.Features Wide supply voltage range: 3V to 15V Low power: 100 nW (typ.) High noise immunity: 0.45 VDD (typ.) Separate SET and RESET inputs for each latch NOR and NAND configuration 3-STATE output with common output enableApplications• Multiple bus storage• Strobed register• Four bits of independent storage with output enable• General digital logic
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