4042 4-bit transparent latch with selectable latch enable polarity and complementary outputs. +----------+ +-------------------+ Q3 |1 +--+ 16| VCC | LE| LP| D | Q |/Q | Q0 |2 15| /Q3 |---+---+---+---+---| /Q0 |3 14| D3 | 0 | 0 | 0 | 0 | 1 | D0 |4 13| D2 | 0 | 0 | 1 | 1 | 0 | LE |5 4042 12| /Q2 | 1 | 0 | X | - | - | LP |6 11| Q2 | 1 | 1 | 0 | 0 | 1 | D1 |7 10| Q1 | 1 | 1 | 1 | 1 | 0 | GND |8 9| /Q1 | 0 | 1 | X | - | - | +----------+ +-------------------+ [This information is part of the GIICM]