40110
4-bit asynchronous decade up/down counter with 7-segment decoder/common-
cathode LED driver, ripple carry and borrow, separate up and down clocks,
clock enable and output latch.

       +----------+
    YA |1  +--+ 16| VCC
    YG |2       15| YB
    YF |3       14| YC
/CLKEN |4       13| YD
   RST |5 40110 12| YE
    LE |6       11| BORROW
 CLKDN |7       10| CARRY
   GND |8        9| CLKUP
       +----------+