74LS194 4-Bit Bidirectional Universal Shift Register

Spec Sheet
74LS194_B9_A10

AMD

From a photo of Rev. 0 board 1070 (A2S1-0800), near locations B9 and A10. There is another near location B4. 
SN74LS194AN, 7734K date code.
Total # on board: 3.