74378
6-bit D flip-flop with clock enable.

       +----------+          +----------------+
/CLKEN |1  +--+ 16| VCC      |/CEN|CLK| D | Q |
    Q1 |2       15| Q6       |----+---+---+---|
    D1 |3       14| D6       |  1 | X | X | - |
    D2 |4   74  13| D5       |  0 | / | 0 | 0 |
    Q2 |5  378  12| Q5       |  0 | / | 1 | 1 |
    D3 |6       11| D4       |  0 |!/ | X | - |
    Q3 |7       10| Q4       +----------------+
   GND |8        9| CLK
       +----------+

[This information is part of the GIICM]