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CD4043BM - Quad TRI-STATE NOR(NAND) R/S Latches

General Description

CD4043BM CD4043BC are quad cross-couple TRI-STATE CMOS NOR latches and CD4044BM CD4044BC are quad cross-couple TRI-STATE CMOS NAND latches Each latch has a separate Q output and individual SET and RESET inputs There is a common TRI-STATE ENABLE input for all four latches A logic ‘‘1’’ on the ENABLE

Key Features

  • Y Y Y Y Y Y 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 TRI-STATE output with common output enable.

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CD4043BM CD4043BC Quad TRI-STATE NOR R S Latches CD4044BM CD4044BC Quad TRI-STATE NAND R S Latches February 1988 CD4043BM CD4043BC Quad TRI-STATE NOR R S Latches CD4044BM CD4044BC Quad TRI-STATE NAND R S Latches General Description CD4043BM CD4043BC are quad cross-couple TRI-STATE CMOS NOR latches and CD4044BM CD4044BC are quad cross-couple TRI-STATE CMOS NAND latches Each latch has a separate Q output and individual SET and RESET inputs There is a common TRI-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 TRI-STATE feature allows common bussing of the outputs Features Y Y Y Y Y Y