74LS138 3-To-8 Decoder

Spec Sheet
74LS138_F12_H12

Motorola

From a photo of Rev. 0 board 1070 (A2S1-0800), near locations F12 and H12.  There is another near location H2.
SN74LS138N, 7711 date code.
Total # on board: 3.