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Craig Iannello said...

Thanks for documenting all this amazing stuff! I recreated the above register-adder using five SN74HCS27DR (CMOS Triple 3-input NOR) in SOIC14 packs. With 15 header pins, the module is 2 x 0.6 inches.

Jun 1, 2023, 10:15:56 PM

Posted to A computer built from NOR gates: inside the Apollo Guidance Computer