HEF4043B Description
The HEF4043B is a quadruple R/S latch with 3-state outputs with a mon output enable input (EO). Each latch has an active HIGH set input (S0 to S3), an active HIGH reset input (R0 to R3) and an active HIGH 3-state output (O0 to O3). When EO is HIGH, the state of the latch output (On) can be determined from the function table below.