7411379 4-bit D flip-flop with complementary outputs and clock enable. +----------+ +--------------------+ /Q1 |1 +--+ 20| Q1 |/CEN|CLK| D | Q |/Q | Q2 |2 19| /CLKEN |----+---+---+---+---| /Q2 |3 18| D1 | 1 | X | X | - | - | GND |4 17| D2 | 0 | / | 0 | 0 | 1 | GND |5 7411 16| VCC | 0 | / | 1 | 1 | 0 | GND |6 379 15| VCC | 0 |!/ | X | - | - | GND |7 14| D3 +--------------------+ Q3 |8 13| D4 /Q3 |9 12| CLK Q4 |10 11| /Q4 +----------+ [This information is part of the GIICM]