74166 8-Bit Shift Register

Spec Sheet
74166_A3

Signetics

From a photo of Rev. 0 board 1070 (A2S1-0800), near location A3.
N74166B, 7628 date code.
Total # on board: 1.

74166_A3

Signetics

Part for my Rev 0 replica.
N74166B, 7612 date code.
NOS.