Apple-1 Related Parts

Signetics N8T97B Tri-State Hex Buffer

8T97B%20Sig%20real%20pre NTI%20A1

Signetics

From a picture of a real pre-NTI Apple 1.
Vertical labeling, no extra “S” below part #.
Total on board: 2.

8T97B%20Sig%20real%20NTI%20A1

Signetics

From a picture of a real NTI Apple 1.
Vertical labeling, with and without extra “S".
Total on board: 2.

8T97B%20Sig%207618%20on%20my%20Mimeo

Signetics

Exact date code match of the part on a real pre-NTI Apple-1.  On my Mimeo replica.

8T97B%20Sig%2075%2076

Signetics

Vertical labeling, no extra “S”, ’75 and ’76 date codes.  Desoldered and unused.