#74LS49

Description: BCD to 7-segment decoder/driver, Open collector

Datasheet: http://www.ti.com/lit/gpn/sn74ls47

Pinout:

      +-----------+
    B |[ 1]   [14]| VCC
    C |[ 2]   [13]| F
~{BI} |[ 3]   [12]| G
    D |[ 4]   [11]| A
    A |[ 5]   [10]| B
    E |[ 6]    [9]| C
  GND |[ 7]    [8]| D
      +-----------+