558 Quad Timer

Spec Sheet
NE558N_H13

Signetics

From a photo of Rev. 0 board 1070 (A2S1-0800), near location H13.
NE558N, 7719 date code.
Total # on board: 1.

NE558N_H13

Signetics

Part for my Rev 0 replica.
NE558N, 7716 date code.
NOS.