News for hackers. Stuff that matters.
Re:Gigatron, TTL computer kit without a CPU by IWeldMelons on Wednesday October 03, 2018 @04:18PM (#18134439)
I bet these are built with 74HCxx ICs, which are not TTL whatsoever; in fact they are CMOS.
Re:Gigatron, TTL computer kit without a CPU by ttldude on Wednesday October 03, 2018 @05:27PM (#18134960)
You can build them with 74xx, 74LSxx as well as 74HCTxx, or mix those. Mixing with 74HC is also possible if you're careful, but full 74HC won't work.