CD4043BCN

General Description
The CD4043BC are quad cross-couple 3-STATE CMOS NOR latches, and the CD4044BC are quad cross-couple 3-
STATE CMOS NAND latches. Each latch has a separate Q output and individual SET and RESET inputs. There is a
common 3-STATE ENABLE input for all four latches. A logic “1” on the ENABLE input connects the latch states to
the Q outputs. A logic “0” on the ENABLE input disconnects the latch states from the Q outputs resulting in an
open circuit condition on the Q output. The 3-STATE feature allows 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 enable

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