Vintage 1960’s I.C. R.T.L logic I.C uL914 or IM4 Flat pack 9 pin contains 4 - transistors & 12 resistors make a dual NOR gate I have a word file of the pin connections for the Flat pack I have more than one I.C. Similar to what was used in the guidance computer in the Apollo 8 mission https://en.wikipedia.org/wiki/Apollo_Guidance_Computer https://www.evilmadscientist.com/2019/uncovering-the-silicon-%CE%BCl914/