name:         LH0002
function:     Buffer
package:      DIP10,10
manufacturer: National Semiconductor

      +--()--+
  V2+ | 1  10| e1
  V1+ | 2   9| e3
input | 3   8| output
  V1- | 4   7| e4
  V2- | 5   6| e2
      +------+


This pinout came from the Chipdir:
http://www.chipdir.org/