Thought you would like this to add.
 
          74xx922
    +-----\/----+
 1 -|R1      Vcc|- 18
 2 -|R2       D0|- 17
 3 -|R3       D1|- 16
 4 -|R4       D2|- 15
 5 -|SCAN     D3|- 14
 6 -|DB      /OE|- 13
 7 -|C4       DA|- 12
 8 -|C3       C1|- 11
 9 -|GND      C2|- 10    
    +-----------+
 
Carl Bennett.